Add combo sample to compile list of OpenVMS

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

diff --git a/src/msw/toplevel.cpp b/src/msw/toplevel.cpp
index ec54792ae3c4805dfb531f82a71e42a3e025da9e..0e53428192eaa3ec5f308cda688795c483704b7f 100644 (file)
--- a/src/msw/toplevel.cpp
+++ b/src/msw/toplevel.cpp
@@ -78,17 +78,6 @@ static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return false; }
 LONG APIENTRY _EXPORT
 wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
 
-// ----------------------------------------------------------------------------
-// globals
-// ----------------------------------------------------------------------------
-
-// the name of the default wxWidgets class
-#ifdef __WXWINCE__
-extern       wxChar *wxCanvasClassName;
-#else
-extern const wxChar *wxCanvasClassName;
-#endif
-
 // ----------------------------------------------------------------------------
 // wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
 // module to ensure that the window is always deleted)
@@ -494,7 +483,8 @@ bool wxTopLevelWindowMSW::CreateFrame(const wxString& title,
         exflags |= WS_EX_LAYOUTRTL;
 #endif
 
-    return MSWCreate(wxCanvasClassName, title.wx_str(), pos, sz, flags, exflags);
+    return MSWCreate(MSWGetRegisteredClassName(),
+                     title.wx_str(), pos, sz, flags, exflags);
 }
 
 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
@@ -993,6 +983,14 @@ void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons)
 {
     wxTopLevelWindowBase::SetIcons(icons);
 
+    if ( icons.IsEmpty() )
+    {
+        // FIXME: SetIcons(wxNullIconBundle) should unset existing icons,
+        //        but we currently don't do that
+        wxASSERT_MSG( m_icons.IsEmpty(), "unsetting icons doesn't work" );
+        return;
+    }
+
     if ( !DoSelectAndSetIcon(icons, SM_CXSMICON, SM_CYSMICON, ICON_SMALL) &&
             !DoSelectAndSetIcon(icons, SM_CXICON, SM_CYICON, ICON_BIG) )
     {