#if wxUSE_VARIANT
-/*
- * wxClearVariant
- *
- * Zeros a variant structure without regard to current contents
- */
-void wxClearVariant(VARIANTARG *pvarg)
-{
- pvarg->vt = VT_EMPTY;
- pvarg->wReserved1 = 0;
- pvarg->wReserved2 = 0;
- pvarg->wReserved3 = 0;
- pvarg->lVal = 0;
-}
-
-/*
- * wxReleaseVariant
- *
- * Clears a particular variant structure and releases any external objects
- * or memory contained in the variant. Supports the data types listed above.
- */
-void wxReleaseVariant(VARIANTARG *pvarg)
-{
- VARTYPE vt;
- VARIANTARG _huge *pvargArray;
- LONG lLBound, lUBound, l;
-
- vt = (VARTYPE)(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++)
- {
- wxReleaseVariant(pvargArray);
- pvargArray++;
- }
-
- SafeArrayUnaccessData(pvarg->parray);
- }
- }
- else
- {
- wxLogWarning(wxT("wxReleaseVariant: 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_I4:
- case VT_BOOL:
- case VT_R8:
- case VT_ERROR: // to avoid erroring on an error return from Excel
- case VT_EMPTY:
- case VT_DATE:
- // no work for these types
- break;
-
- default:
- wxLogWarning(wxT("wxReleaseVariant: Unknown type"));
- break;
- }
- }
-
- wxClearVariant(pvarg);
-}
-
WXDLLEXPORT bool wxConvertVariantToOle(const wxVariant& variant, VARIANTARG& oleVariant)
{
- wxClearVariant(&oleVariant);
+ VariantInit(&oleVariant);
if (variant.IsNull())
{
oleVariant.vt = VT_NULL;
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;
else if (type == wxT("bool"))
{
oleVariant.vt = VT_BOOL;
- // 'bool' required for VC++ 4 apparently
-#if (defined(__VISUALC__) && (__VISUALC__ <= 1000))
- oleVariant.bool = variant.GetBool();
-#else
- oleVariant.boolVal = variant.GetBool();
-#endif
+ oleVariant.boolVal = variant.GetBool() ? VARIANT_TRUE : VARIANT_FALSE;
}
else if (type == wxT("string"))
{
variant = oleVariant.boolVal != 0;
break;
+ case VT_R4:
+ variant = oleVariant.fltVal;
+ break;
+
case VT_R8:
variant = oleVariant.dblVal;
break;