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我需要在c#窗口应用表格无效()中的WinForms应用
int l_nCircleXpos = 9, l_nCircleYpos = 0;
private void Form1_Paint(object sender, PaintEventArgs e)
{
Graphics l_objGraphics = this.CreateGraphics();
Pen l_circlePen = new Pen(Color.Blue);
SolidBrush l_circleBrush = new SolidBrush(Color.Blue);
l_objGraphics.DrawEllipse(l_circlePen, l_nCircleXpos, l_nCircleYpos, 30, 30);
l_objGraphics.FillEllipse(l_circleBrush, l_nCircleXpos, l_nCircleYpos, 30, 30);
Pen l_rectPen = new Pen(Color.Red);
}
private void timer1_Tick(object sender, EventArgs e)
{
l_nCircleXpos++;
l_nCircleYpos++;
}
private void timer2_Tick(object sender, EventArgs e)
{
Invalidate();
}
但在定时器2的整个形式无效的动画对象。我只需要使特定的圆圈区域无效。
请帮忙做这更好的方式
不要在Paint方法中调用this.CreateGraphics。使用在PaintEventArgs:e.Graphics中提供给您的图形。 – 2010-05-14 15:48:25