Don't use Windows handles directly in headers

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@36991 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/statbmp.h

@@ -71,8 +71,9 @@ protected:
     // we can have either an icon or a bitmap
     bool m_isIcon;
     wxGDIImage *m_image;
+
     // handle used in last call to STM_SETIMAGE
-    HGDIOBJ m_currentHandle;
+    WXHANDLE m_currentHandle;
 
 private:
     DECLARE_DYNAMIC_CLASS(wxStaticBitmap)

src/msw/statbmp.cpp

@@ -273,12 +273,12 @@ void wxStaticBitmap::SetImageNoCopy( wxGDIImage* image)
                   m_isIcon ? IMAGE_ICON : IMAGE_BITMAP, (LPARAM)handle);
     // detect if this is still the handle we passed before or
     // if the static-control made a copy of the bitmap!
-    if (m_currentHandle != 0 && oldHandle != m_currentHandle)
+    if (m_currentHandle != 0 && oldHandle != (HGDIOBJ) m_currentHandle)
     {
         // the static control made a copy and we are responsible for deleting it
-        DeleteObject(oldHandle);      
+        DeleteObject((HGDIOBJ) oldHandle);      
     }
-    m_currentHandle = (HGDIOBJ)handle;                  	
+    m_currentHandle = (WXHANDLE)handle;                  	
 #endif // Win32
 
     if ( ImageIsOk() )