LONG style = ::GetWindowLong( (HWND)GetHWND(), GWL_STYLE ) ;
::SetWindowLong( (HWND)GetHWND(), GWL_STYLE, ( style & ~( SS_BITMAP|SS_ICON ) ) |
( m_isIcon ? SS_ICON : SS_BITMAP ) );
- ::SendMessage(GetHwnd(), STM_SETIMAGE,
+ HGDIOBJ oldHandle = (HGDIOBJ)::SendMessage(GetHwnd(), STM_SETIMAGE,
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)
+ {
+ // the static control made a copy and we are responsible for deleting it
+ DeleteObject(oldHandle);
+ }
+ m_currentHandle = (HGDIOBJ)handle;
#endif // Win32
if ( ImageIsOk() )