Compilation fix for !wxHAS_MSW_BACKGROUND_ERASE_HOOK case.

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

diff --git a/src/msw/control.cpp b/src/msw/control.cpp
index 19151d7854f1c37beab4c6e6a86745e1afe3cd51..6fe928cc5772aa3ae4e935eb04851e90c73f8a41 100644 (file)
--- a/src/msw/control.cpp
+++ b/src/msw/control.cpp
@@ -367,7 +367,23 @@ WXHBRUSH wxControl::DoMSWControlColor(WXHDC pDC, wxColour colBg, WXHWND hWnd)
     WXHBRUSH hbr = 0;
     if ( !colBg.IsOk() )
     {
-        if ( wxWindow *win = wxFindWinFromHandle(hWnd) )
+        wxWindow *win = wxFindWinFromHandle( hWnd );
+        if ( !win )
+        {
+            // If this HWND doesn't correspond to a wxWindow, it still might be
+            // one of its children for which we need to set the background
+            // brush, e.g. this is the case for the EDIT control that is part
+            // of wxComboBox. Check for this by asking the parent if it has it:
+            HWND parent = ::GetParent(hWnd);
+            if ( parent )
+            {
+                wxWindow *winParent = wxFindWinFromHandle( parent );
+                if( winParent && winParent->ContainsHWND( hWnd ) )
+                    win = winParent;
+             }
+        }
+
+        if ( win )
             hbr = win->MSWGetBgBrush(pDC);
 
         // if the control doesn't have any bg colour, foreground colour will be