Exemplo n.º 1
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 SetStyle(ControlStyles.AllPaintingInWmPaint |
          ControlStyles.EnableNotifyMessage |
Exemplo n.º 2
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 SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw | ControlStyles.SupportsTransparentBackColor | ControlStyles.UserPaint, true);