详解c#Winform程序的toolStripButton自定义背景应用示例源码

            ToolStripButton tsb = (ToolStripButton)sender;

            Rectangle rectButton = tsb.Bounds;
            Point p = toolStrip1.PointToClient(Control.MousePosition);
            if (rectButton.Contains(p))
            {
                e.Graphics.Clear(SystemColors.ControlText);
                if (tsb.Image != null)
                {
                    e.Graphics.DrawImage(tsb.Image, new Point((e.ClipRectangle.Width - tsb.Image.Width) / 2, (e.ClipRectangle.Height - tsb.Image.Height) / 2));
                }
            }