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protected override void OnPaint(PaintEventArgs pe)
{
base.OnPaint(pe);
pe.Graphics.DrawRectangle(new Pen(Color.Red), ClientRectangle);
}
void DrawFilledRectangle(Graphics g, Rectangle rect, Color clrBorder, Color clrFill)
{
g.DrawRectangle(new Pen(clrBorder), rect);
rect.Inflate(-1, -1);
g.FillRectangle(new SolidBrush(clrFill), rect);
}
protected override void OnPaint(PaintEventArgs pe)
{
base.OnPaint(pe);
pe.Graphics.SmoothingMode = SmoothingMode.AntiAlias; // 抗锯齿
pe.Graphics.PixelOffsetMode = PixelOffsetMode.Half; // 偏移0.5
pe.Graphics.DrawRectangle(new Pen(Color.Red), ClientRectangle);
}