initWithSize:NSMakeSize(m_selectedBitmap.GetWidth(),
m_selectedBitmap.GetHeight())];
[nsimage addRepresentation: const_cast<wxBitmap&>(m_selectedBitmap).GetNSBitmapImageRep()];
+ [m_cocoaNSImage lockFocus];
[nsimage drawAtPoint: NSMakePoint(0,0)
fromRect: NSMakeRect(0.0,0.0,m_selectedBitmap.GetWidth(),m_selectedBitmap.GetHeight())
operation: NSCompositeCopy
fraction: 1.0];
+ [m_cocoaNSImage unlockFocus];
[nsimage release];
}