virtual L_VOID LBitmapWindow::OnDraw(hdc, Rect)
This function is called whenever the class object updates its window.
The device context of the bitmap window.
The bitmap window rectangle to be updated.
Override this function if you want to do your own drawing on the class object's window.
This function will be called following the class object's own processing of the WM_PAINT message.
The rect parameter is passed by reference, and is a required parameter.
For an example, refer to LBitmapWindow::CreatePanWnd.
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