重载窗体的背景颜色
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protected override void OnPaintBackground(PaintEventArgs e)
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{
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LinearGradientBrush b = new LinearGradientBrush(this.ClientRectangle,
4 Color.Blue,Color.AliceBlue,90f); //线性渐变
5 e.Graphics.FillRectangle(b,this.ClientRectangle); // 填充窗体
6 b.Dispose(); // 释放资源
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}
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protected override void OnPaintBackground(PaintEventArgs e) 2
{ 
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LinearGradientBrush b = new LinearGradientBrush(this.ClientRectangle, 4
Color.Blue,Color.AliceBlue,90f); //线性渐变 5
e.Graphics.FillRectangle(b,this.ClientRectangle); // 填充窗体 6
b.Dispose(); // 释放资源 7
} 8
