X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fb63a24232a48e4b634124c7eaa968974c3c24a1..528a5e8f92e938407ee2c33b29e519af064e6608:/src/common/dcbase.cpp

diff --git a/src/common/dcbase.cpp b/src/common/dcbase.cpp
index 994dfcee37..08d7d49e2b 100644
--- a/src/common/dcbase.cpp
+++ b/src/common/dcbase.cpp
@@ -25,6 +25,7 @@
 #endif
 
 #include "wx/dc.h"
+#include "wx/dcbuffer.h" // for IMPLEMENT_DYNAMIC_CLASS
 
 #ifndef WX_PRECOMP
     #include "wx/math.h"
@@ -38,6 +39,9 @@ IMPLEMENT_ABSTRACT_CLASS(wxDCBase, wxObject)
 // implementation
 // ============================================================================
 
+IMPLEMENT_DYNAMIC_CLASS(wxBufferedDC, wxMemoryDC)
+IMPLEMENT_ABSTRACT_CLASS(wxBufferedPaintDC, wxBufferedDC)
+
 #if WXWIN_COMPATIBILITY_2_6
 void wxDCBase::BeginDrawing()
 {
@@ -326,7 +330,7 @@ void wxDCBase::DoDrawSpline( wxList *points )
     double           x1, y1, x2, y2;
 
     wxList::compatibility_iterator node = points->GetFirst();
-    if (node == wxList::compatibility_iterator())
+    if (!node)
         // empty list
         return;