以ToolStrip为例绘制简便背景
//以ToolStrip为例绘制简便背景
e.Graphics.FillRectangle(new System.Drawing.Drawing2D.LinearGradientBrush(
new System.Drawing.Point(0, toolStrip1.Height),
new System.Drawing.Point(0, 0),
Color.FromKnownColor(KnownColor.ControlDark),
Color.FromKnownColor(KnownColor.ControlLight)),
toolStrip1.ClientRectangle);