don't compare invalid iterators/node pointers

[wxWidgets.git] / src / msw / metafile.cpp

diff --git a/src/msw/metafile.cpp b/src/msw/metafile.cpp
index dfe59cc8f5f71097dce4ddacf2b1218c42453bf8..0092107a7c6306b666c73aed7846819a30cec94d 100644 (file)
--- a/src/msw/metafile.cpp
+++ b/src/msw/metafile.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        msw/metafile.cpp
+// Name:        src/msw/metafile.cpp
 // Purpose:     wxMetafileDC etc.
 // Author:      Julian Smart
 // Modified by: VZ 07.01.00: implemented wxMetaFileDataObject
@@ -24,10 +24,6 @@
     #pragma hdrstop
 #endif
 
-#ifndef WX_PRECOMP
-    #include "wx/setup.h"
-#endif
-
 #ifndef WX_PRECOMP
     #include "wx/utils.h"
     #include "wx/app.h"
@@ -126,8 +122,6 @@ bool wxMetafile::Play(wxDC *dc)
     if (!m_refData)
         return false;
 
-    dc->BeginDrawing();
-
     if (dc->GetHDC() && M_METAFILEDATA->m_metafile)
     {
         if ( !::PlayMetaFile(GetHdcOf(*dc), (HMETAFILE)
@@ -137,8 +131,6 @@ bool wxMetafile::Play(wxDC *dc)
         }
     }
 
-    dc->EndDrawing();
-
     return true;
 }
 
@@ -197,7 +189,7 @@ wxMetafileDC::wxMetafileDC(const wxString& file, int xext, int yext, int xorg, i
     m_minY = 10000;
     m_maxX = -10000;
     m_maxY = -10000;
-    if ( !file.IsEmpty() && wxFileExists(file))
+    if ( !file.empty() && wxFileExists(file))
         wxRemoveFile(file);
     m_hDC = (WXHDC) CreateMetaFile(file);
 
@@ -521,4 +513,3 @@ bool wxMetafileDataObject::SetData(size_t WXUNUSED(len), const void *buf)
 #endif // wxUSE_DRAG_AND_DROP
 
 #endif // wxUSE_METAFILE
-