c#设置自定义控件为透明背景
public partial class UserControl1 : UserControl { public UserControl1() { InitializeComponent(); //设置Style支持透明背景色 this.SetStyl
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public partial class UserControl1 : UserControl
{
public UserControl1()
{
InitializeComponent();
//设置Style支持透明背景色
this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
this.BackColor = Color.FromArgb(0, 0, 0, 0);
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
e.Graphics.DrawString("test", new Font("Tahoma", 8.25f), Brushes.Red, new PointF(20, 20));
}
}
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