X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/61bfe4b0caa43a95a181baa30d3f6b06778b1d18..b404a8f3b072129c107c6d9a5e0f6f53cd34807b:/src/msw/ole/automtn.cpp?ds=sidebyside

diff --git a/src/msw/ole/automtn.cpp b/src/msw/ole/automtn.cpp
index 4b2b77b108..12a46ffcad 100644
--- a/src/msw/ole/automtn.cpp
+++ b/src/msw/ole/automtn.cpp
@@ -1,87 +1,82 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        automtn.cpp
+// Name:        src/msw/ole/automtn.cpp
 // Purpose:     OLE automation utilities
 // Author:      Julian Smart
 // Modified by:
 // Created:     11/6/98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998, Julian Smart
-// Licence:     wxWindows Licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "automtn.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #if defined(__BORLANDC__)
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
-#include "wx/defs.h"
-
-// Watcom C++ gives a linker error if this is compiled in.
 // With Borland C++, all samples crash if this is compiled in.
-#if wxUSE_OLE &&!defined(__WATCOMC__) && !(defined(__BORLANDC__) && (__BORLANDC__ < 0x520)) && !defined(__CYGWIN10__)
+#if (defined(__BORLANDC__) && (__BORLANDC__ < 0x520)) || defined(__CYGWIN10__)
+    #undef wxUSE_OLE_AUTOMATION
+    #define wxUSE_OLE_AUTOMATION 0
+#endif
+
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+    #include "wx/math.h"
+#endif
 
 #define _FORCENAMELESSUNION
-#include "wx/log.h"
+#include "wx/msw/private.h"
 #include "wx/msw/ole/oleutils.h"
 #include "wx/msw/ole/automtn.h"
-#include "wx/msw/private.h"
 
-#include <math.h>
+#ifdef __WXWINCE__
+#include "wx/msw/wince/time.h"
+#else
 #include <time.h>
+#endif
 
 #include <wtypes.h>
 #include <unknwn.h>
+
 #include <ole2.h>
 #define _huge
-#include <ole2ver.h>
-#include <oleauto.h>
-
-// Verifies will fail if the needed buffer size is too large
-#define MAX_TIME_BUFFER_SIZE    128         // matches that in timecore.cpp
-#define MIN_DATE                (-657434L)  // about year 100
-#define MAX_DATE                2958465L    // about year 9999
 
-// Half a second, expressed in days
-#define HALF_SECOND  (1.0/172800.0)
+#ifndef __WXWINCE__
+#include <ole2ver.h>
+#endif
 
-// One-based array of days in year at month start
-static int rgMonthDays[13] =
-	{0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365};
+#include <oleauto.h>
 
 #if wxUSE_DATETIME
 #include "wx/datetime.h"
+#endif // wxUSE_DATETIME
 
-static BOOL OleDateFromTm(WORD wYear, WORD wMonth, WORD wDay,
-	WORD wHour, WORD wMinute, WORD wSecond, DATE& dtDest);
-static BOOL TmFromOleDate(DATE dtSrc, struct tm& tmDest);
-#endif // wxUSE_TIMEDATE
+#if wxUSE_OLE_AUTOMATION
 
-static void ClearVariant(VARIANTARG *pvarg) ;
-static void ReleaseVariant(VARIANTARG *pvarg) ;
-// static void ShowException(LPOLESTR szMember, HRESULT hr, EXCEPINFO *pexcep, unsigned int uiArgErr);
+// Report an OLE error when calling the specified method to the user via wxLog.
+static void
+ShowException(const wxString& member,
+              HRESULT hr,
+              EXCEPINFO *pexcep = NULL,
+              unsigned int uiArgErr = 0);
 
-/*
- * wxAutomationObject
- */
+// wxAutomationObject
 
 wxAutomationObject::wxAutomationObject(WXIDISPATCH* dispatchPtr)
 {
-	m_dispatchPtr = dispatchPtr;
+    m_dispatchPtr = dispatchPtr;
 }
 
 wxAutomationObject::~wxAutomationObject()
 {
-	if (m_dispatchPtr)
-	{
-		((IDispatch*)m_dispatchPtr)->Release();
-		m_dispatchPtr = NULL;
-	}
+    if (m_dispatchPtr)
+    {
+        ((IDispatch*)m_dispatchPtr)->Release();
+        m_dispatchPtr = NULL;
+    }
 }
 
 #define INVOKEARG(i) (args ? args[i] : *(ptrArgs[i]))
@@ -90,344 +85,341 @@ wxAutomationObject::~wxAutomationObject()
 bool wxAutomationObject::Invoke(const wxString& member, int action,
         wxVariant& retValue, int noArgs, wxVariant args[], const wxVariant* ptrArgs[]) const
 {
-	if (!m_dispatchPtr)
-		return FALSE;
-
-	// nonConstMember is necessary because the wxString class doesn't have enough consts...
-	wxString nonConstMember(member);
-
-	int ch = nonConstMember.Find('.');
-	if (ch != -1)
-	{
-		// Use dot notation to get the next object
-		wxString member2(nonConstMember.Left((size_t) ch));
-		wxString rest(nonConstMember.Right(nonConstMember.Length() - ch - 1));
-		wxAutomationObject obj;
-		if (!GetObject(obj, member2))
-			return FALSE;
-		return obj.Invoke(rest, action, retValue, noArgs, args, ptrArgs);
-	}
-
-	VARIANTARG vReturn;
-	ClearVariant(& vReturn);
-
-	VARIANTARG* vReturnPtr = & vReturn;
-
-	// Find number of names args
-	int namedArgCount = 0;
-	int i;
-	for (i = 0; i < noArgs; i++)
-		if (!INVOKEARG(i).GetName().IsNull())
-		{
-			namedArgCount ++;
-		}
-
-	int namedArgStringCount = namedArgCount + 1;
-	BSTR* argNames = new BSTR[namedArgStringCount];
-	argNames[0] = wxConvertStringToOle(member);
-
-	// Note that arguments are specified in reverse order
-	// (all totally logical; hey, we're dealing with OLE here.)
-
-	int j = 0;
-	for (i = 0; i < namedArgCount; i++)
-	{	
-		if (!INVOKEARG(i).GetName().IsNull())
-		{
-			argNames[(namedArgCount-j)] = wxConvertStringToOle(INVOKEARG(i).GetName());
-			j ++;
-		}
-	}
-
-	// + 1 for the member name, + 1 again in case we're a 'put'
-	DISPID* dispIds = new DISPID[namedArgCount + 2];
-
-	HRESULT hr;
-	DISPPARAMS dispparams;
-	unsigned int uiArgErr;
-	EXCEPINFO excep;
-	
-	// Get the IDs for the member and its arguments.  GetIDsOfNames expects the
-	// member name as the first name, followed by argument names (if any).
-	hr = ((IDispatch*)m_dispatchPtr)->GetIDsOfNames(IID_NULL, argNames,
-								1 + namedArgCount, LOCALE_SYSTEM_DEFAULT, dispIds);
-	if (FAILED(hr)) 
-	{
-//		ShowException(szMember, hr, NULL, 0);
-	    delete[] argNames;
-	    delete[] dispIds;
-		return FALSE;
-	}
-
-	// if doing a property put(ref), we need to adjust the first argument to have a
-	// named arg of DISPID_PROPERTYPUT.
-	if (action & (DISPATCH_PROPERTYPUT | DISPATCH_PROPERTYPUTREF))
-	{
-		namedArgCount = 1;
-		dispIds[1] = DISPID_PROPERTYPUT;
-		vReturnPtr = (VARIANTARG*) NULL;
-	}
-
-	// Convert the wxVariants to VARIANTARGs
-	VARIANTARG* oleArgs = new VARIANTARG[noArgs];
-	for (i = 0; i < noArgs; i++)
-	{
-		// Again, reverse args
-		if (!wxConvertVariantToOle(INVOKEARG((noArgs-1) - i), oleArgs[i]))
+    if (!m_dispatchPtr)
+        return false;
+
+    int ch = member.Find('.');
+    if (ch != -1)
+    {
+        // Use dot notation to get the next object
+        wxString member2(member.Left((size_t) ch));
+        wxString rest(member.Right(member.length() - ch - 1));
+        wxAutomationObject obj;
+        if (!GetObject(obj, member2))
+            return false;
+        return obj.Invoke(rest, action, retValue, noArgs, args, ptrArgs);
+    }
+
+    VARIANTARG vReturn;
+    VariantInit(& vReturn);
+
+    VARIANTARG* vReturnPtr = & vReturn;
+
+    // Find number of names args
+    int namedArgCount = 0;
+    int i;
+    for (i = 0; i < noArgs; i++)
+        if ( !INVOKEARG(i).GetName().empty() )
+        {
+            namedArgCount ++;
+        }
+
+    int namedArgStringCount = namedArgCount + 1;
+    BSTR* argNames = new BSTR[namedArgStringCount];
+    argNames[0] = wxConvertStringToOle(member);
+
+    // Note that arguments are specified in reverse order
+    // (all totally logical; hey, we're dealing with OLE here.)
+
+    int j = 0;
+    for (i = 0; i < namedArgCount; i++)
+    {
+        if ( !INVOKEARG(i).GetName().empty() )
         {
-	        delete[] argNames;
-	        delete[] dispIds;
+            argNames[(namedArgCount-j)] = wxConvertStringToOle(INVOKEARG(i).GetName());
+            j ++;
+        }
+    }
+
+    // + 1 for the member name, + 1 again in case we're a 'put'
+    DISPID* dispIds = new DISPID[namedArgCount + 2];
+
+    HRESULT hr;
+    DISPPARAMS dispparams;
+    unsigned int uiArgErr;
+
+    // Get the IDs for the member and its arguments.  GetIDsOfNames expects the
+    // member name as the first name, followed by argument names (if any).
+    hr = ((IDispatch*)m_dispatchPtr)->GetIDsOfNames(IID_NULL, argNames,
+                                1 + namedArgCount, LOCALE_SYSTEM_DEFAULT, dispIds);
+    if (FAILED(hr))
+    {
+        ShowException(member, hr);
+        delete[] argNames;
+        delete[] dispIds;
+        return false;
+    }
+
+    // if doing a property put(ref), we need to adjust the first argument to have a
+    // named arg of DISPID_PROPERTYPUT.
+    if (action & (DISPATCH_PROPERTYPUT | DISPATCH_PROPERTYPUTREF))
+    {
+        namedArgCount = 1;
+        dispIds[1] = DISPID_PROPERTYPUT;
+        vReturnPtr = NULL;
+    }
+
+    // Convert the wxVariants to VARIANTARGs
+    VARIANTARG* oleArgs = new VARIANTARG[noArgs];
+    for (i = 0; i < noArgs; i++)
+    {
+        // Again, reverse args
+        if (!wxConvertVariantToOle(INVOKEARG((noArgs-1) - i), oleArgs[i]))
+        {
+            delete[] argNames;
+            delete[] dispIds;
             delete[] oleArgs;
-			return FALSE;
+            return false;
         }
-	}
-
-	dispparams.rgdispidNamedArgs = dispIds + 1;
-	dispparams.rgvarg = oleArgs;
-	dispparams.cArgs = noArgs;
-	dispparams.cNamedArgs = namedArgCount;
-	
-	excep.pfnDeferredFillIn = NULL;
-	
-	hr = ((IDispatch*)m_dispatchPtr)->Invoke(dispIds[0], IID_NULL, LOCALE_SYSTEM_DEFAULT,
-						action, &dispparams, vReturnPtr, &excep, &uiArgErr);
-
-	for (i = 0; i < namedArgStringCount; i++)
-	{
-		SysFreeString(argNames[i]);
-	}
-	delete[] argNames;
-	delete[] dispIds;
-	
-	for (i = 0; i < noArgs; i++)
-		ReleaseVariant(& oleArgs[i]) ;
-	delete[] oleArgs;
-	
-	if (FAILED(hr)) 
-	{
-		// display the exception information if appropriate:
-//		ShowException((const char*) member, hr, &excep, uiArgErr);
-	
-		// free exception structure information
-		SysFreeString(excep.bstrSource);
-		SysFreeString(excep.bstrDescription);
-		SysFreeString(excep.bstrHelpFile);
-
-		if (vReturnPtr)
-			ReleaseVariant(vReturnPtr);
-		return FALSE;
-	}
-	else
-	{
-		if (vReturnPtr)
-		{
-			// Convert result to wxVariant form
-			wxConvertOleToVariant(vReturn, retValue);
-			// Mustn't release the dispatch pointer
-			if (vReturn.vt == VT_DISPATCH)
-			{
-				vReturn.pdispVal = (IDispatch*) NULL;
-			}
-			ReleaseVariant(& vReturn);
-		}
-	}
-	return TRUE;
+    }
+
+    dispparams.rgdispidNamedArgs = dispIds + 1;
+    dispparams.rgvarg = oleArgs;
+    dispparams.cArgs = noArgs;
+    dispparams.cNamedArgs = namedArgCount;
+
+    EXCEPINFO excep;
+    wxZeroMemory(excep);
+
+    hr = ((IDispatch*)m_dispatchPtr)->Invoke(dispIds[0], IID_NULL, LOCALE_SYSTEM_DEFAULT,
+                        (WORD)action, &dispparams, vReturnPtr, &excep, &uiArgErr);
+
+    for (i = 0; i < namedArgStringCount; i++)
+    {
+        SysFreeString(argNames[i]);
+    }
+    delete[] argNames;
+    delete[] dispIds;
+
+    for (i = 0; i < noArgs; i++)
+        VariantClear(& oleArgs[i]) ;
+    delete[] oleArgs;
+
+    if (FAILED(hr))
+    {
+        // display the exception information if appropriate:
+        ShowException(member, hr, &excep, uiArgErr);
+
+        // free exception structure information
+        SysFreeString(excep.bstrSource);
+        SysFreeString(excep.bstrDescription);
+        SysFreeString(excep.bstrHelpFile);
+
+        if (vReturnPtr)
+            VariantClear(vReturnPtr);
+        return false;
+    }
+    else
+    {
+        if (vReturnPtr)
+        {
+            // Convert result to wxVariant form
+            wxConvertOleToVariant(vReturn, retValue);
+            // Mustn't release the dispatch pointer
+            if (vReturn.vt == VT_DISPATCH)
+            {
+                vReturn.pdispVal = NULL;
+            }
+            VariantClear(& vReturn);
+        }
+    }
+    return true;
 }
 
 // Invoke a member function
 wxVariant wxAutomationObject::CallMethod(const wxString& member, int noArgs, wxVariant args[])
 {
-	wxVariant retVariant;
-	if (!Invoke(member, DISPATCH_METHOD, retVariant, noArgs, args))
-	{
-		retVariant.MakeNull();
-	}
-	return retVariant;
+    wxVariant retVariant;
+    if (!Invoke(member, DISPATCH_METHOD, retVariant, noArgs, args))
+    {
+        retVariant.MakeNull();
+    }
+    return retVariant;
 }
 
 wxVariant wxAutomationObject::CallMethodArray(const wxString& member, int noArgs, const wxVariant **args)
 {
-	wxVariant retVariant;
-	if (!Invoke(member, DISPATCH_METHOD, retVariant, noArgs, NULL, args))
-	{
-		retVariant.MakeNull();
-	}
-	return retVariant;
+    wxVariant retVariant;
+    if (!Invoke(member, DISPATCH_METHOD, retVariant, noArgs, NULL, args))
+    {
+        retVariant.MakeNull();
+    }
+    return retVariant;
 }
 
 wxVariant wxAutomationObject::CallMethod(const wxString& member,
-		const wxVariant& arg1, const wxVariant& arg2,
-		const wxVariant& arg3, const wxVariant& arg4,
-		const wxVariant& arg5, const wxVariant& arg6)
+        const wxVariant& arg1, const wxVariant& arg2,
+        const wxVariant& arg3, const wxVariant& arg4,
+        const wxVariant& arg5, const wxVariant& arg6)
 {
-	const wxVariant** args = new const wxVariant*[6];
-	int i = 0;
-	if (!arg1.IsNull())
-	{
-		args[i] = & arg1;
-		i ++;
-	}
-	if (!arg2.IsNull())
-	{
-		args[i] = & arg2;
-		i ++;
-	}
-	if (!arg3.IsNull())
-	{
-		args[i] = & arg3;
-		i ++;
-	}
-	if (!arg4.IsNull())
-	{
-		args[i] = & arg4;
-		i ++;
-	}
-	if (!arg5.IsNull())
-	{
-		args[i] = & arg5;
-		i ++;
-	}
-	if (!arg6.IsNull())
-	{
-		args[i] = & arg6;
-		i ++;
-	}
-	wxVariant retVariant;
-	if (!Invoke(member, DISPATCH_METHOD, retVariant, i, NULL, args))
-	{
-		retVariant.MakeNull();
-	}
-	delete[] args;
-	return retVariant;
+    const wxVariant** args = new const wxVariant*[6];
+    int i = 0;
+    if (!arg1.IsNull())
+    {
+        args[i] = & arg1;
+        i ++;
+    }
+    if (!arg2.IsNull())
+    {
+        args[i] = & arg2;
+        i ++;
+    }
+    if (!arg3.IsNull())
+    {
+        args[i] = & arg3;
+        i ++;
+    }
+    if (!arg4.IsNull())
+    {
+        args[i] = & arg4;
+        i ++;
+    }
+    if (!arg5.IsNull())
+    {
+        args[i] = & arg5;
+        i ++;
+    }
+    if (!arg6.IsNull())
+    {
+        args[i] = & arg6;
+        i ++;
+    }
+    wxVariant retVariant;
+    if (!Invoke(member, DISPATCH_METHOD, retVariant, i, NULL, args))
+    {
+        retVariant.MakeNull();
+    }
+    delete[] args;
+    return retVariant;
 }
 
 // Get/Set property
 wxVariant wxAutomationObject::GetPropertyArray(const wxString& property, int noArgs, const wxVariant **args) const
 {
-	wxVariant retVariant;
-	if (!Invoke(property, DISPATCH_PROPERTYGET, retVariant, noArgs, NULL, args))
-	{
-		retVariant.MakeNull();
-	}
-	return retVariant;
+    wxVariant retVariant;
+    if (!Invoke(property, DISPATCH_PROPERTYGET, retVariant, noArgs, NULL, args))
+    {
+        retVariant.MakeNull();
+    }
+    return retVariant;
 }
 wxVariant wxAutomationObject::GetProperty(const wxString& property, int noArgs, wxVariant args[]) const
 {
-	wxVariant retVariant;
-	if (!Invoke(property, DISPATCH_PROPERTYGET, retVariant, noArgs, args))
-	{
-		retVariant.MakeNull();
-	}
-	return retVariant;
+    wxVariant retVariant;
+    if (!Invoke(property, DISPATCH_PROPERTYGET, retVariant, noArgs, args))
+    {
+        retVariant.MakeNull();
+    }
+    return retVariant;
 }
 
 wxVariant wxAutomationObject::GetProperty(const wxString& property,
-		const wxVariant& arg1, const wxVariant& arg2,
-		const wxVariant& arg3, const wxVariant& arg4,
-		const wxVariant& arg5, const wxVariant& arg6)
+        const wxVariant& arg1, const wxVariant& arg2,
+        const wxVariant& arg3, const wxVariant& arg4,
+        const wxVariant& arg5, const wxVariant& arg6)
 {
-	const wxVariant** args = new const wxVariant*[6];
-	int i = 0;
-	if (!arg1.IsNull())
-	{
-		args[i] = & arg1;
-		i ++;
-	}
-	if (!arg2.IsNull())
-	{
-		args[i] = & arg2;
-		i ++;
-	}
-	if (!arg3.IsNull())
-	{
-		args[i] = & arg3;
-		i ++;
-	}
-	if (!arg4.IsNull())
-	{
-		args[i] = & arg4;
-		i ++;
-	}
-	if (!arg5.IsNull())
-	{
-		args[i] = & arg5;
-		i ++;
-	}
-	if (!arg6.IsNull())
-	{
-		args[i] = & arg6;
-		i ++;
-	}
-	wxVariant retVariant;
-	if (!Invoke(property, DISPATCH_PROPERTYGET, retVariant, i, NULL, args))
-	{
-		retVariant.MakeNull();
-	}
-	delete[] args;
-	return retVariant;
+    const wxVariant** args = new const wxVariant*[6];
+    int i = 0;
+    if (!arg1.IsNull())
+    {
+        args[i] = & arg1;
+        i ++;
+    }
+    if (!arg2.IsNull())
+    {
+        args[i] = & arg2;
+        i ++;
+    }
+    if (!arg3.IsNull())
+    {
+        args[i] = & arg3;
+        i ++;
+    }
+    if (!arg4.IsNull())
+    {
+        args[i] = & arg4;
+        i ++;
+    }
+    if (!arg5.IsNull())
+    {
+        args[i] = & arg5;
+        i ++;
+    }
+    if (!arg6.IsNull())
+    {
+        args[i] = & arg6;
+        i ++;
+    }
+    wxVariant retVariant;
+    if (!Invoke(property, DISPATCH_PROPERTYGET, retVariant, i, NULL, args))
+    {
+        retVariant.MakeNull();
+    }
+    delete[] args;
+    return retVariant;
 }
 
 bool wxAutomationObject::PutProperty(const wxString& property, int noArgs, wxVariant args[])
 {
-	wxVariant retVariant;
-	if (!Invoke(property, DISPATCH_PROPERTYPUT, retVariant, noArgs, args))
-	{
-		return FALSE;
-	}
-	return TRUE;
+    wxVariant retVariant;
+    if (!Invoke(property, DISPATCH_PROPERTYPUT, retVariant, noArgs, args))
+    {
+        return false;
+    }
+    return true;
 }
 
 bool wxAutomationObject::PutPropertyArray(const wxString& property, int noArgs, const wxVariant **args)
 {
-	wxVariant retVariant;
-	if (!Invoke(property, DISPATCH_PROPERTYPUT, retVariant, noArgs, NULL, args))
-	{
-		return FALSE;
-	}
-	return TRUE;
+    wxVariant retVariant;
+    if (!Invoke(property, DISPATCH_PROPERTYPUT, retVariant, noArgs, NULL, args))
+    {
+        return false;
+    }
+    return true;
 }
 
 bool wxAutomationObject::PutProperty(const wxString& property,
-		const wxVariant& arg1, const wxVariant& arg2,
-		const wxVariant& arg3, const wxVariant& arg4,
-		const wxVariant& arg5, const wxVariant& arg6)
+        const wxVariant& arg1, const wxVariant& arg2,
+        const wxVariant& arg3, const wxVariant& arg4,
+        const wxVariant& arg5, const wxVariant& arg6)
 {
-	const wxVariant** args = new const wxVariant*[6];
-	int i = 0;
-	if (!arg1.IsNull())
-	{
-		args[i] = & arg1;
-		i ++;
-	}
-	if (!arg2.IsNull())
-	{
-		args[i] = & arg2;
-		i ++;
-	}
-	if (!arg3.IsNull())
-	{
-		args[i] = & arg3;
-		i ++;
-	}
-	if (!arg4.IsNull())
-	{
-		args[i] = & arg4;
-		i ++;
-	}
-	if (!arg5.IsNull())
-	{
-		args[i] = & arg5;
-		i ++;
-	}
-	if (!arg6.IsNull())
-	{
-		args[i] = & arg6;
-		i ++;
-	}
-	wxVariant retVariant;
-	bool ret = Invoke(property, DISPATCH_PROPERTYPUT, retVariant, i, NULL, args);
-	delete[] args;
-	return ret;
+    const wxVariant** args = new const wxVariant*[6];
+    int i = 0;
+    if (!arg1.IsNull())
+    {
+        args[i] = & arg1;
+        i ++;
+    }
+    if (!arg2.IsNull())
+    {
+        args[i] = & arg2;
+        i ++;
+    }
+    if (!arg3.IsNull())
+    {
+        args[i] = & arg3;
+        i ++;
+    }
+    if (!arg4.IsNull())
+    {
+        args[i] = & arg4;
+        i ++;
+    }
+    if (!arg5.IsNull())
+    {
+        args[i] = & arg5;
+        i ++;
+    }
+    if (!arg6.IsNull())
+    {
+        args[i] = & arg6;
+        i ++;
+    }
+    wxVariant retVariant;
+    bool ret = Invoke(property, DISPATCH_PROPERTYPUT, retVariant, i, NULL, args);
+    delete[] args;
+    return ret;
 }
 
 
@@ -437,16 +429,16 @@ bool wxAutomationObject::PutProperty(const wxString& property,
 // with it and letting the destructor call Release.
 WXIDISPATCH* wxAutomationObject::GetDispatchProperty(const wxString& property, int noArgs, wxVariant args[]) const
 {
-	wxVariant retVariant;
-	if (Invoke(property, DISPATCH_PROPERTYGET, retVariant, noArgs, args))
-	{
-		if (retVariant.GetType() == wxT("void*"))
-		{
-			return (WXIDISPATCH*) retVariant.GetVoidPtr();
-		}
-	}
-
-	return (WXIDISPATCH*) NULL;
+    wxVariant retVariant;
+    if (Invoke(property, DISPATCH_PROPERTYGET, retVariant, noArgs, args))
+    {
+        if (retVariant.GetType() == wxT("void*"))
+        {
+            return (WXIDISPATCH*) retVariant.GetVoidPtr();
+        }
+    }
+
+    return NULL;
 }
 
 // Uses DISPATCH_PROPERTYGET
@@ -455,801 +447,220 @@ WXIDISPATCH* wxAutomationObject::GetDispatchProperty(const wxString& property, i
 // with it and letting the destructor call Release.
 WXIDISPATCH* wxAutomationObject::GetDispatchProperty(const wxString& property, int noArgs, const wxVariant **args) const
 {
-	wxVariant retVariant;
-	if (Invoke(property, DISPATCH_PROPERTYGET, retVariant, noArgs, NULL, args))
-	{
-		if (retVariant.GetType() == wxT("void*"))
-		{
-			return (WXIDISPATCH*) retVariant.GetVoidPtr();
-		}
-	}
-
-	return (WXIDISPATCH*) NULL;
+    wxVariant retVariant;
+    if (Invoke(property, DISPATCH_PROPERTYGET, retVariant, noArgs, NULL, args))
+    {
+        if (retVariant.GetType() == wxT("void*"))
+        {
+            return (WXIDISPATCH*) retVariant.GetVoidPtr();
+        }
+    }
+
+    return NULL;
 }
 
 
 // A way of initialising another wxAutomationObject with a dispatch object
 bool wxAutomationObject::GetObject(wxAutomationObject& obj, const wxString& property, int noArgs, wxVariant args[]) const
 {
-	WXIDISPATCH* dispatch = GetDispatchProperty(property, noArgs, args);
-	if (dispatch)
-	{
-		obj.SetDispatchPtr(dispatch);
-		return TRUE;
-	}
-	else
-		return FALSE;
+    WXIDISPATCH* dispatch = GetDispatchProperty(property, noArgs, args);
+    if (dispatch)
+    {
+        obj.SetDispatchPtr(dispatch);
+        return true;
+    }
+    else
+        return false;
 }
 
 // A way of initialising another wxAutomationObject with a dispatch object
 bool wxAutomationObject::GetObject(wxAutomationObject& obj, const wxString& property, int noArgs, const wxVariant **args) const
 {
-	WXIDISPATCH* dispatch = GetDispatchProperty(property, noArgs, args);
-	if (dispatch)
-	{
-		obj.SetDispatchPtr(dispatch);
-		return TRUE;
-	}
-	else
-		return FALSE;
+    WXIDISPATCH* dispatch = GetDispatchProperty(property, noArgs, args);
+    if (dispatch)
+    {
+        obj.SetDispatchPtr(dispatch);
+        return true;
+    }
+    else
+        return false;
 }
 
-// Get a dispatch pointer from the current object associated
-// with a class id
-bool wxAutomationObject::GetInstance(const wxString& classId) const
+namespace
 {
-	if (m_dispatchPtr)
-		return FALSE;
-
-	CLSID clsId;
-	IUnknown * pUnk = NULL;
-
-	wxBasicString unicodeName(classId.mb_str());
-	
-	if (FAILED(CLSIDFromProgID((BSTR) unicodeName, &clsId))) 
-	{
-		wxLogWarning(wxT("Cannot obtain CLSID from ProgID"));
-		return FALSE;
-	}
-
-	if (FAILED(GetActiveObject(clsId, NULL, &pUnk)))
-	{
-		wxLogWarning(wxT("Cannot find an active object"));
-		return FALSE;
-	}
-	
-	if (pUnk->QueryInterface(IID_IDispatch, (LPVOID*) &m_dispatchPtr) != S_OK)
-	{
-		wxLogWarning(wxT("Cannot find IDispatch interface"));
-		return FALSE;
-	}
-
-	return TRUE;
-}
 
-// Get a dispatch pointer from a new object associated
-// with the given class id
-bool wxAutomationObject::CreateInstance(const wxString& classId) const
+HRESULT wxCLSIDFromProgID(const wxString& progId, CLSID& clsId)
 {
-	if (m_dispatchPtr)
-		return FALSE;
-
-	CLSID clsId;
-
-	wxBasicString unicodeName(classId.mb_str());
-	
-	if (FAILED(CLSIDFromProgID((BSTR) unicodeName, &clsId))) 
-	{
-		wxLogWarning(wxT("Cannot obtain CLSID from ProgID"));
-		return FALSE;
-	}
-
-	// start a new copy of Excel, grab the IDispatch interface
-	if (FAILED(CoCreateInstance(clsId, NULL, CLSCTX_LOCAL_SERVER, IID_IDispatch, (void**)&m_dispatchPtr))) 
-	{
-		wxLogWarning(wxT("Cannot start an instance of this class."));
-		return FALSE;
-	}
-	
-	return TRUE;
+    HRESULT hr = CLSIDFromProgID(wxBasicString(progId), &clsId);
+    if ( FAILED(hr) )
+    {
+        wxLogSysError(hr, _("Failed to find CLSID of \"%s\""), progId);
+    }
+    return hr;
 }
 
-
-bool wxConvertVariantToOle(const wxVariant& variant, VARIANTARG& oleVariant)
+void *DoCreateInstance(const wxString& progId, const CLSID& clsId)
 {
-	ClearVariant(&oleVariant);
-	if (variant.IsNull())
-	{
-		oleVariant.vt = VT_NULL;
-		return TRUE;
-	}
-
-    wxString type(variant.GetType());
-
-
-    if (type == wxT("long"))
-    {
-        oleVariant.vt = VT_I4;
-        oleVariant.lVal = variant.GetLong() ;
-    }
-    // cVal not always present
-#ifndef __GNUWIN32__
-    else if (type == wxT("char"))
-    {
-        oleVariant.vt=VT_I1;			// Signed Char
-        oleVariant.cVal=variant.GetChar();
-    }
-#endif
-    else if (type == wxT("double"))
-    {
-        oleVariant.vt = VT_R8;
-        oleVariant.dblVal = variant.GetDouble();
-    }
-    else if (type == wxT("bool"))
-    {
-        oleVariant.vt = VT_BOOL;
-        // 'bool' required for VC++ 4 apparently
-#if defined(__WATCOMC__) || (defined(__VISUALC__) && (__VISUALC__ <= 1000))
-        oleVariant.bool = variant.GetBool();
-#else
-        oleVariant.boolVal = variant.GetBool();
-#endif
-    }
-    else if (type == wxT("string"))
-    {
-        wxString str( variant.GetString() );
-        oleVariant.vt = VT_BSTR;
-        oleVariant.bstrVal = wxConvertStringToOle(str);
-    }
-// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
-// Now obsolete
-#if 0 // wxUSE_TIMEDATE && !defined(__WATCOMC__)
-    else if (type == wxT("date"))
+    // get the server IDispatch interface
+    //
+    // NB: using CLSCTX_INPROC_HANDLER results in failure when getting
+    //     Automation interface for Microsoft Office applications so don't use
+    //     CLSCTX_ALL which includes it
+    void *pDispatch = NULL;
+    HRESULT hr = CoCreateInstance(clsId, NULL, CLSCTX_SERVER,
+                                  IID_IDispatch, &pDispatch);
+    if (FAILED(hr))
     {
-        wxDate date( variant.GetDate() );
-        oleVariant.vt = VT_DATE;
-
-		if (!OleDateFromTm(date.GetYear(), date.GetMonth(), date.GetDay(),
-				0, 0, 0, oleVariant.date))
-			return FALSE;
+        wxLogSysError(hr, _("Failed to create an instance of \"%s\""), progId);
+        return NULL;
     }
-    else if (type == wxT("time"))
-    {
-        wxTime time( variant.GetTime() );
-        oleVariant.vt = VT_DATE;
 
-		if (!OleDateFromTm(time.GetYear(), time.GetMonth(), time.GetDay(),
-			time.GetHour(), time.GetMinute(), time.GetSecond(), oleVariant.date))
-			return FALSE;
-    }
-#endif
-#if wxUSE_DATETIME
-    else if (type == wxT("datetime"))
-    {
-        wxDateTime date( variant.GetDateTime() );
-        oleVariant.vt = VT_DATE;
-
-		if (!OleDateFromTm(date.GetYear(), date.GetMonth(), date.GetDay(),
-				date.GetHour(), date.GetMinute(), date.GetSecond(), oleVariant.date))
-			return FALSE;
-    }
-#endif
-    else if (type == wxT("void*"))
-    {
-        oleVariant.vt = VT_DISPATCH;
-        oleVariant.pdispVal = (IDispatch*) variant.GetVoidPtr();
-    }
-    else if (type == wxT("list") || type == wxT("stringlist"))
-    {
-        oleVariant.vt = VT_VARIANT | VT_ARRAY;
-
-	    SAFEARRAY *psa;
-	    SAFEARRAYBOUND saBound;
-	    VARIANTARG *pvargBase;
-	    VARIANTARG *pvarg;
-	    int i, j;
-
-        int iCount = variant.GetCount();
-	
-	    saBound.lLbound = 0;
-	    saBound.cElements = iCount;
-	
-	    psa = SafeArrayCreate(VT_VARIANT, 1, &saBound);
-	    if (psa == NULL)
-		    return FALSE;
-	
-	    SafeArrayAccessData(psa, (void**)&pvargBase);
-	
-	    pvarg = pvargBase;
-	    for (i = 0; i < iCount; i++)
-	    {
-		    // copy each string in the list of strings
-            wxVariant eachVariant(variant[i]);
-            if (!wxConvertVariantToOle(eachVariant, * pvarg))
-            {
-			    // memory failure:  back out and free strings alloc'ed up to
-			    // now, and then the array itself.
-			    pvarg = pvargBase;
-			    for (j = 0; j < i; j++)
-			    {
-				    SysFreeString(pvarg->bstrVal);
-				    pvarg++;
-			    }
-			    SafeArrayDestroy(psa);
-			    return FALSE;
-		    }
-		    pvarg++;
-	    }
-	
-	    SafeArrayUnaccessData(psa);
-
-        oleVariant.parray = psa;
-    }
-    else
-    {
-        oleVariant.vt = VT_NULL;
-        return FALSE;
-    }
-    return TRUE;
+    return pDispatch;
 }
 
-#ifndef VT_TYPEMASK
-#define VT_TYPEMASK 0xfff
-#endif
+} // anonymous namespace
 
-bool wxConvertOleToVariant(const VARIANTARG& oleVariant, wxVariant& variant)
+// Get a dispatch pointer from the current object associated
+// with a ProgID
+bool wxAutomationObject::GetInstance(const wxString& progId, int flags) const
 {
-	switch (oleVariant.vt & VT_TYPEMASK)
-	{
-	case VT_BSTR:
-		{
-			wxString str(wxConvertStringFromOle(oleVariant.bstrVal));
-			variant = str;
-			break;
-		}
-	case VT_DATE:
-		{
-#if wxUSE_DATETIME
-            struct tm tmTemp;
-			if (!TmFromOleDate(oleVariant.date, tmTemp))
-				return FALSE;
+    if (m_dispatchPtr)
+        return false;
 
-			wxDateTime date(tmTemp.tm_yday, (wxDateTime::Month) tmTemp.tm_mon, tmTemp.tm_year, tmTemp.tm_hour, tmTemp.tm_min, tmTemp.tm_sec);
+    CLSID clsId;
+    HRESULT hr = wxCLSIDFromProgID(progId, clsId);
+    if (FAILED(hr))
+        return false;
 
-			variant = date;
-#endif
+    IUnknown *pUnk = NULL;
+    hr = GetActiveObject(clsId, NULL, &pUnk);
+    if (FAILED(hr))
+    {
+        if ( flags & wxAutomationInstance_CreateIfNeeded )
+        {
+            const_cast<wxAutomationObject *>(this)->
+                m_dispatchPtr = DoCreateInstance(progId, clsId);
+            if ( m_dispatchPtr )
+                return true;
+        }
+        else
+        {
+            // Log an error except if we're supposed to fail silently when the
+            // error is that no current instance exists.
+            if ( hr != MK_E_UNAVAILABLE ||
+                    !(flags & wxAutomationInstance_SilentIfNone) )
+            {
+                wxLogSysError(hr,
+                              _("Cannot get an active instance of \"%s\""),
+                              progId);
+            }
+        }
 
-            break;
-		}
-	case VT_I4:
-		{
-			variant = (long) oleVariant.lVal;
-			break;
-		}
-	case VT_I2:
-		{
-			variant = (long) oleVariant.iVal;
-			break;
-		}
-
-	case VT_BOOL:
-		{
-#if defined(__WATCOMC__) || (defined(_MSC_VER) && (_MSC_VER <= 1000) && !defined(__MWERKS__) ) //GC
-#ifndef HAVE_BOOL // Can't use bool operator if no native bool type
-			variant = (long) (oleVariant.bool != 0);
-#else
-			variant = (bool) (oleVariant.bool != 0);
-#endif
-#else
-#ifndef HAVE_BOOL // Can't use bool operator if no native bool type
-			variant = (long) (oleVariant.boolVal != 0);
-#else
-			variant = (bool) (oleVariant.boolVal != 0);
-#endif
-#endif
-			break;
-		}
-	case VT_R8:
-		{
-			variant = oleVariant.dblVal;
-			break;
-		}
-	case VT_ARRAY:
-		{
-			variant.ClearList();
-
-			int cDims, cElements, i;
-			VARIANTARG* pvdata;
-
-			// Iterate the dimensions: number of elements is x*y*z
-			for (cDims = 0, cElements = 1;
-				cDims < oleVariant.parray->cDims; cDims ++)
-					cElements *= oleVariant.parray->rgsabound[cDims].cElements;
-
-			// Get a pointer to the data
-			HRESULT hr = SafeArrayAccessData(oleVariant.parray, (void HUGEP* FAR*) & pvdata);
-			if (hr != NOERROR)
-				return FALSE;
-			// Iterate the data.
-			for (i = 0; i < cElements; i++)
-			{
-				VARIANTARG& oleElement = pvdata[i];
-				wxVariant vElement;
-				if (!wxConvertOleToVariant(oleElement, vElement))
-					return FALSE;
-				
-				variant.Append(vElement);
-			}
-			SafeArrayUnaccessData(oleVariant.parray);
-			break;
-		}
-	case VT_DISPATCH:
-		{
-			variant = (void*) oleVariant.pdispVal;
-			break;
-		}
-	case VT_NULL:
-		{
-			variant.MakeNull();
-			break;
-		}
-	case VT_EMPTY:
-		{
-			break;	// Ignore Empty Variant, used only during destruction of objects
-		}
-	default:
-		{
-			wxLogError(wxT("wxAutomationObject::ConvertOleToVariant: Unknown variant value type"));
-			return FALSE;
-		}
-	}
-    return TRUE;
-}
+        return false;
+    }
 
-BSTR wxConvertStringToOle(const wxString& str)
-{
-/*
-	unsigned int len = strlen((const char*) str);
-	unsigned short* s = new unsigned short[len*2+2];
-	unsigned int i;
-	memset(s, 0, len*2+2);
-	for (i=0; i < len; i++)
-		s[i*2] = str[i];
-*/
-	wxBasicString bstr(str.mb_str());
-	return bstr.Get();
-}
+    hr = pUnk->QueryInterface(IID_IDispatch, (LPVOID*) &m_dispatchPtr);
+    if (FAILED(hr))
+    {
+        wxLogSysError(hr,
+                      _("Failed to get OLE automation interface for \"%s\""),
+                      progId);
+        return false;
+    }
 
-wxString wxConvertStringFromOle(BSTR bStr)
-{
-#if wxUSE_UNICODE
-    wxString str(bStr);
-#else
-	int len = SysStringLen(bStr) + 1;
-	char    *buf = new char[len];
-	(void)wcstombs( buf, bStr, len);
-	wxString str(buf); 
-	delete[] buf;
-#endif
-	return str;
+    return true;
 }
 
-// ----------------------------------------------------------------------------
-// wxBasicString
-// ----------------------------------------------------------------------------
-
-// ctor takes an ANSI string and transforms it to Unicode
-wxBasicString::wxBasicString(const char *sz)
+// Get a dispatch pointer from a new object associated
+// with the given ProgID
+bool wxAutomationObject::CreateInstance(const wxString& progId) const
 {
-    Init(sz);
-}
+    if (m_dispatchPtr)
+        return false;
 
-// ctor takes an ANSI or Unicode string and transforms it to Unicode
-wxBasicString::wxBasicString(const wxString& str)
-{
-#if wxUSE_UNICODE
-    m_wzBuf = new OLECHAR[str.Length() + 1];
-    memcpy(m_wzBuf, str.c_str(), str.Length()*2);
-    m_wzBuf[str.Length()] = L'\0';
-#else
-    Init(str.c_str());
-#endif
-}
+    CLSID clsId;
+    HRESULT hr = wxCLSIDFromProgID(progId, clsId);
+    if (FAILED(hr))
+        return false;
 
-// Takes an ANSI string and transforms it to Unicode
-void wxBasicString::Init(const char *sz)
-{
-    // get the size of required buffer
-    UINT lenAnsi = strlen(sz);
-#ifdef __MWERKS__
-    UINT lenWide = lenAnsi * 2 ;
-#else
-    UINT lenWide = mbstowcs(NULL, sz, lenAnsi);
-#endif
-    
-    if ( lenWide > 0 ) {
-        m_wzBuf = new OLECHAR[lenWide + 1];
-        mbstowcs(m_wzBuf, sz, lenAnsi);
-        m_wzBuf[lenWide] = L'\0';
-    }
-    else {
-        m_wzBuf = NULL;
-    }
-}
+    const_cast<wxAutomationObject *>(this)->
+        m_dispatchPtr = DoCreateInstance(progId, clsId);
 
-// dtor frees memory
-wxBasicString::~wxBasicString()
-{
-  delete [] m_wzBuf;
+    return m_dispatchPtr != NULL;
 }
 
-/////////////////////////////////////////////////////////////////////////////
-// COleDateTime class HELPERS - implementation
-
-BOOL OleDateFromTm(WORD wYear, WORD wMonth, WORD wDay,
-	WORD wHour, WORD wMinute, WORD wSecond, DATE& dtDest)
+static void
+ShowException(const wxString& member,
+              HRESULT hr,
+              EXCEPINFO *pexcep,
+              unsigned int uiArgErr)
 {
-	// Validate year and month (ignore day of week and milliseconds)
-	if (wYear > 9999 || wMonth < 1 || wMonth > 12)
-		return FALSE;
-
-	//  Check for leap year and set the number of days in the month
-	BOOL bLeapYear = ((wYear & 3) == 0) &&
-		((wYear % 100) != 0 || (wYear % 400) == 0);
-
-	int nDaysInMonth =
-		rgMonthDays[wMonth] - rgMonthDays[wMonth-1] +
-		((bLeapYear && wDay == 29 && wMonth == 2) ? 1 : 0);
-
-	// Finish validating the date
-	if (wDay < 1 || wDay > nDaysInMonth ||
-		wHour > 23 || wMinute > 59 ||
-		wSecond > 59)
-	{
-		return FALSE;
-	}
-
-	// Cache the date in days and time in fractional days
-	long nDate;
-	double dblTime;
+    wxString message;
+    switch (GetScode(hr))
+    {
+        case DISP_E_UNKNOWNNAME:
+            message = _("Unknown name or named argument.");
+            break;
 
-	//It is a valid date; make Jan 1, 1AD be 1
-	nDate = wYear*365L + wYear/4 - wYear/100 + wYear/400 +
-		rgMonthDays[wMonth-1] + wDay;
+        case DISP_E_BADPARAMCOUNT:
+            message = _("Incorrect number of arguments.");
+            break;
 
-	//  If leap year and it's before March, subtract 1:
-	if (wMonth <= 2 && bLeapYear)
-		--nDate;
+        case DISP_E_EXCEPTION:
+            if ( pexcep )
+            {
+                if ( pexcep->bstrDescription )
+                    message << pexcep->bstrDescription << wxS(" ");
+                message += wxString::Format(wxS("error code %u"), pexcep->wCode);
+            }
+            else
+            {
+                message = _("Unknown exception");
+            }
+            break;
 
-	//  Offset so that 12/30/1899 is 0
-	nDate -= 693959L;
+        case DISP_E_MEMBERNOTFOUND:
+            message = _("Method or property not found.");
+            break;
 
-	dblTime = (((long)wHour * 3600L) +  // hrs in seconds
-		((long)wMinute * 60L) +  // mins in seconds
-		((long)wSecond)) / 86400.;
+        case DISP_E_OVERFLOW:
+            message = _("Overflow while coercing argument values.");
+            break;
 
-	dtDest = (double) nDate + ((nDate >= 0) ? dblTime : -dblTime);
+        case DISP_E_NONAMEDARGS:
+            message = _("Object implementation does not support named arguments.");
+            break;
 
-	return TRUE;
-}
+        case DISP_E_UNKNOWNLCID:
+            message = _("The locale ID is unknown.");
+            break;
 
-BOOL TmFromOleDate(DATE dtSrc, struct tm& tmDest)
-{
-	// The legal range does not actually span year 0 to 9999.
-	if (dtSrc > MAX_DATE || dtSrc < MIN_DATE) // about year 100 to about 9999
-		return FALSE;
-
-	long nDays;             // Number of days since Dec. 30, 1899
-	long nDaysAbsolute;     // Number of days since 1/1/0
-	long nSecsInDay;        // Time in seconds since midnight
-	long nMinutesInDay;     // Minutes in day
-
-	long n400Years;         // Number of 400 year increments since 1/1/0
-	long n400Century;       // Century within 400 year block (0,1,2 or 3)
-	long n4Years;           // Number of 4 year increments since 1/1/0
-	long n4Day;             // Day within 4 year block
-							//  (0 is 1/1/yr1, 1460 is 12/31/yr4)
-	long n4Yr;              // Year within 4 year block (0,1,2 or 3)
-	BOOL bLeap4 = TRUE;     // TRUE if 4 year block includes leap year
-
-	double dblDate = dtSrc; // tempory serial date
-
-	// If a valid date, then this conversion should not overflow
-	nDays = (long)dblDate;
-
-	// Round to the second
-	dblDate += ((dtSrc > 0.0) ? HALF_SECOND : -HALF_SECOND);
-
-	nDaysAbsolute = (long)dblDate + 693959L; // Add days from 1/1/0 to 12/30/1899
-
-	dblDate = fabs(dblDate);
-	nSecsInDay = (long)((dblDate - floor(dblDate)) * 86400.);
-
-	// Calculate the day of week (sun=1, mon=2...)
-	//   -1 because 1/1/0 is Sat.  +1 because we want 1-based
-	tmDest.tm_wday = (int)((nDaysAbsolute - 1) % 7L) + 1;
-
-	// Leap years every 4 yrs except centuries not multiples of 400.
-	n400Years = (long)(nDaysAbsolute / 146097L);
-
-	// Set nDaysAbsolute to day within 400-year block
-	nDaysAbsolute %= 146097L;
-
-	// -1 because first century has extra day
-	n400Century = (long)((nDaysAbsolute - 1) / 36524L);
-
-	// Non-leap century
-	if (n400Century != 0)
-	{
-		// Set nDaysAbsolute to day within century
-		nDaysAbsolute = (nDaysAbsolute - 1) % 36524L;
-
-		// +1 because 1st 4 year increment has 1460 days
-		n4Years = (long)((nDaysAbsolute + 1) / 1461L);
-
-		if (n4Years != 0)
-			n4Day = (long)((nDaysAbsolute + 1) % 1461L);
-		else
-		{
-			bLeap4 = FALSE;
-			n4Day = (long)nDaysAbsolute;
-		}
-	}
-	else
-	{
-		// Leap century - not special case!
-		n4Years = (long)(nDaysAbsolute / 1461L);
-		n4Day = (long)(nDaysAbsolute % 1461L);
-	}
-
-	if (bLeap4)
-	{
-		// -1 because first year has 366 days
-		n4Yr = (n4Day - 1) / 365;
-
-		if (n4Yr != 0)
-			n4Day = (n4Day - 1) % 365;
-	}
-	else
-	{
-		n4Yr = n4Day / 365;
-		n4Day %= 365;
-	}
-
-	// n4Day is now 0-based day of year. Save 1-based day of year, year number
-	tmDest.tm_yday = (int)n4Day + 1;
-	tmDest.tm_year = n400Years * 400 + n400Century * 100 + n4Years * 4 + n4Yr;
-
-	// Handle leap year: before, on, and after Feb. 29.
-	if (n4Yr == 0 && bLeap4)
-	{
-		// Leap Year
-		if (n4Day == 59)
-		{
-			/* Feb. 29 */
-			tmDest.tm_mon = 2;
-			tmDest.tm_mday = 29;
-			goto DoTime;
-		}
-
-		// Pretend it's not a leap year for month/day comp.
-		if (n4Day >= 60)
-			--n4Day;
-	}
-
-	// Make n4DaY a 1-based day of non-leap year and compute
-	//  month/day for everything but Feb. 29.
-	++n4Day;
-
-	// Month number always >= n/32, so save some loop time */
-	for (tmDest.tm_mon = (n4Day >> 5) + 1;
-		n4Day > rgMonthDays[tmDest.tm_mon]; tmDest.tm_mon++);
-
-	tmDest.tm_mday = (int)(n4Day - rgMonthDays[tmDest.tm_mon-1]);
-
-DoTime:
-	if (nSecsInDay == 0)
-		tmDest.tm_hour = tmDest.tm_min = tmDest.tm_sec = 0;
-	else
-	{
-		tmDest.tm_sec = (int)nSecsInDay % 60L;
-		nMinutesInDay = nSecsInDay / 60L;
-		tmDest.tm_min = (int)nMinutesInDay % 60;
-		tmDest.tm_hour = (int)nMinutesInDay / 60;
-	}
-
-	return TRUE;
-}
+        case DISP_E_PARAMNOTOPTIONAL:
+            message = _("Missing a required parameter.");
+            break;
 
-// this function is not used
-#if 0
-void TmConvertToStandardFormat(struct tm& tmSrc)
-{
-	// Convert afx internal tm to format expected by runtimes (_tcsftime, etc)
-	tmSrc.tm_year -= 1900;  // year is based on 1900
-	tmSrc.tm_mon -= 1;      // month of year is 0-based
-	tmSrc.tm_wday -= 1;     // day of week is 0-based
-	tmSrc.tm_yday -= 1;     // day of year is 0-based
-}
+        case DISP_E_PARAMNOTFOUND:
+            message.Printf(_("Argument %u not found."), uiArgErr);
+            break;
 
-double DoubleFromDate(DATE dt)
-{
-	// No problem if positive
-	if (dt >= 0)
-		return dt;
-
-	// If negative, must convert since negative dates not continuous
-	// (examples: -1.25 to -.75, -1.50 to -.50, -1.75 to -.25)
-	double temp = ceil(dt);
-	return temp - (dt - temp);
-}
+        case DISP_E_TYPEMISMATCH:
+            message.Printf(_("Type mismatch in argument %u."), uiArgErr);
+            break;
 
-DATE DateFromDouble(double dbl)
-{
-	// No problem if positive
-	if (dbl >= 0)
-		return dbl;
-
-	// If negative, must convert since negative dates not continuous
-	// (examples: -.75 to -1.25, -.50 to -1.50, -.25 to -1.75)
-	double temp = floor(dbl); // dbl is now whole part
-	return temp + (temp - dbl);
-}
-#endif // 0
-
-/*
- *  ClearVariant
- *
- *  Zeros a variant structure without regard to current contents
- */
-static void ClearVariant(VARIANTARG *pvarg)
-{
-	pvarg->vt = VT_EMPTY;
-	pvarg->wReserved1 = 0;
-	pvarg->wReserved2 = 0;
-	pvarg->wReserved3 = 0;
-	pvarg->lVal = 0;
-}
+        case ERROR_FILE_NOT_FOUND:
+            message = _("The system cannot find the file specified.");
+            break;
 
-/*
- *  ReleaseVariant
- *
- *  Clears a particular variant structure and releases any external objects
- *  or memory contained in the variant.  Supports the data types listed above.
- */
-static void ReleaseVariant(VARIANTARG *pvarg)
-{
-	VARTYPE vt;
-	VARIANTARG _huge *pvargArray;
-	long lLBound, lUBound, l;
-	
-	vt = pvarg->vt & 0xfff;		// mask off flags
-	
-	// check if an array.  If so, free its contents, then the array itself.
-	if (V_ISARRAY(pvarg)) 
-	{
-		// variant arrays are all this routine currently knows about.  Since a
-		// variant can contain anything (even other arrays), call ourselves
-		// recursively.
-		if (vt == VT_VARIANT) 
-		{
-			SafeArrayGetLBound(pvarg->parray, 1, &lLBound);
-			SafeArrayGetUBound(pvarg->parray, 1, &lUBound);
-			
-			if (lUBound > lLBound) 
-			{
-				lUBound -= lLBound;
-				
-				SafeArrayAccessData(pvarg->parray, (void**)&pvargArray);
-				
-				for (l = 0; l < lUBound; l++) 
-				{
-					ReleaseVariant(pvargArray);
-					pvargArray++;
-				}
-				
-				SafeArrayUnaccessData(pvarg->parray);
-			}
-		}
-		else 
-		{
-			wxLogWarning(wxT("ReleaseVariant: Array contains non-variant type"));
-		}
-		
-		// Free the array itself.
-		SafeArrayDestroy(pvarg->parray);
-	}
-	else 
-	{
-		switch (vt) 
-		{
-			case VT_DISPATCH:
-				if (pvarg->pdispVal)
-					pvarg->pdispVal->Release();
-				break;
-				
-			case VT_BSTR:
-				SysFreeString(pvarg->bstrVal);
-				break;
-				
-			case VT_I2:
-			case VT_BOOL:
-			case VT_R8:
-			case VT_ERROR:		// to avoid erroring on an error return from Excel
-				// no work for these types
-				break;
-				
-			default:
-				wxLogWarning(wxT("ReleaseVariant: Unknown type"));
-				break;
-		}
-	}
-	
-	ClearVariant(pvarg);
-}
+        case REGDB_E_CLASSNOTREG:
+            message = _("Class not registered.");
+            break;
 
-#if 0
+        default:
+            message.Printf(_("Unknown error %08x"), hr);
+            break;
+    }
 
-void ShowException(LPOLESTR szMember, HRESULT hr, EXCEPINFO *pexcep, unsigned int uiArgErr)
-{
-	TCHAR szBuf[512];
-	
-	switch (GetScode(hr)) 
-	{
-		case DISP_E_UNKNOWNNAME:
-			wsprintf(szBuf, L"%s: Unknown name or named argument.", szMember);
-			break;
-	
-		case DISP_E_BADPARAMCOUNT:
-			wsprintf(szBuf, L"%s: Incorrect number of arguments.", szMember);
-			break;
-			
-		case DISP_E_EXCEPTION:
-			wsprintf(szBuf, L"%s: Error %d: ", szMember, pexcep->wCode);
-			if (pexcep->bstrDescription != NULL)
-				lstrcat(szBuf, pexcep->bstrDescription);
-			else
-				lstrcat(szBuf, L"<<No Description>>");
-			break;
-			
-		case DISP_E_MEMBERNOTFOUND:
-			wsprintf(szBuf, L"%s: method or property not found.", szMember);
-			break;
-		
-		case DISP_E_OVERFLOW:
-			wsprintf(szBuf, L"%s: Overflow while coercing argument values.", szMember);
-			break;
-		
-		case DISP_E_NONAMEDARGS:
-			wsprintf(szBuf, L"%s: Object implementation does not support named arguments.",
-						szMember);
-		    break;
-		    
-		case DISP_E_UNKNOWNLCID:
-			wsprintf(szBuf, L"%s: The locale ID is unknown.", szMember);
-			break;
-		
-		case DISP_E_PARAMNOTOPTIONAL:
-			wsprintf(szBuf, L"%s: Missing a required parameter.", szMember);
-			break;
-		
-		case DISP_E_PARAMNOTFOUND:
-			wsprintf(szBuf, L"%s: Argument not found, argument %d.", szMember, uiArgErr);
-			break;
-			
-		case DISP_E_TYPEMISMATCH:
-			wsprintf(szBuf, L"%s: Type mismatch, argument %d.", szMember, uiArgErr);
-			break;
-
-		default:
-			wsprintf(szBuf, L"%s: Unknown error occured.", szMember);
-			break;
-	}
-	
-	wxLogWarning(szBuf);
+    wxLogError(_("OLE Automation error in %s: %s"), member, message);
 }
 
-#endif
-
-#endif // __WATCOMC__
-
+#endif // wxUSE_OLE_AUTOMATION