用C#写了个俄罗斯方块，图像放在panel 中，在panel中绘制图，结果图像闪烁，急求解决
private void panel1_Paint(object sender , PaintEventArgs e)
{// Create image.
// Bitmap bmp = new Bitmap(240, 360);
// PaintEventArgs e = bmp.CreateGraphics();
this.Change();
if (ChangTiaoHent.y == 17)
{
}
if (Xianshi[0, 6] == true)
{
Init();
}
if (Yunxing ==true)
{
for (int i = 0; i < 18; i++)
{
for (int j = 0; j < 12; j++)
{
if (Xianshi[i, j] == true )
{
Image newImage = Image.FromFile("KK.png");
// Create Point for upper-left corner of image.
Point ulCorner = new Point(j*20 , i*20);
// Draw image to screen.
e.Graphics.DrawImage(newImage, ulCorner);
Console.Write(i.ToString() + ";" + j.ToString());
}
}
}
if (Yunxing == true && Xing == 1)
{
if (ChangTiaoHent.y == 17)
{
Image newImage = Image.FromFile("KK.png"); Point ulCorner = new Point(100, 100);
e.Graphics.DrawImage(newImage, new Point(20 * ChangTiaoHent.x, 20 * ChangTiaoHent.y));
Xianshi[ChangTiaoHent.y, ChangTiaoHent.x] = true;
if (ChangTiaoHent.y >= 1) e.Graphics.DrawImage(newImage, new Point(20 * ChangTiaoHent.x, 20 * (ChangTiaoHent.y - 1)));
if (ChangTiaoHent.y >= 2) e.Graphics.DrawImage(newImage, new Point(20 * ChangTiaoHent.x, 20 * (ChangTiaoHent.y - 2)));
if (ChangTiaoHent.y >= 3) e.Graphics.DrawImage(newImage, new Point(20 * ChangTiaoHent.x, 20 * (ChangTiaoHent.y - 3)));
if (ChangTiaoHent.y >= 1) Xianshi[ChangTiaoHent.y - 1, ChangTiaoHent.x] = true;
if (ChangTiaoHent.y >= 2) Xianshi[ChangTiaoHent.y - 2, ChangTiaoHent.x] = true;
if (ChangTiaoHent.y >= 3) Xianshi[ChangTiaoHent.y - 3, ChangTiaoHent.x] = true; this.ChongG();
}
else
{
if ((ChangTiaoHent.y <= 16) && (!Xianshi[ChangTiaoHent.y + 1, ChangTiaoHent.x] == true))
{
Image newImage = Image.FromFile("KK.png"); Point ulCorner = new Point(100, 100);
if (ChangTiaoHent.y >= 0) e.Graphics.DrawImage(newImage, new Point(20 * ChangTiaoHent.x, 20 * ChangTiaoHent.y));
if (ChangTiaoHent.y >= 1) e.Graphics.DrawImage(newImage, new Point(20 * (ChangTiaoHent.x), 20 * (ChangTiaoHent.y - 1)));
if (ChangTiaoHent.y >= 2) e.Graphics.DrawImage(newImage, new Point(20 * (ChangTiaoHent.x), 20 * (ChangTiaoHent.y - 2)));
if (ChangTiaoHent.y >= 3) e.Graphics.DrawImage(newImage, new Point(20 * (ChangTiaoHent.x), 20 * (ChangTiaoHent.y - 3)));
++ChangTiaoHent.y;
}
else
{
Image newImage = Image.FromFile("KK.png"); Point ulCorner = new Point(100, 100);
e.Graphics.DrawImage(newImage, new Point(20 * ChangTiaoHent.x, 20 * ChangTiaoHent.y));
Xianshi[ChangTiaoHent.y, ChangTiaoHent.x] = true;
if (ChangTiaoHent.y >= 1) e.Graphics.DrawImage(newImage, new Point(20 * ChangTiaoHent.x, 20 * (ChangTiaoHent.y - 1)));
if (ChangTiaoHent.y >= 2) e.Graphics.DrawImage(newImage, new Point(20 * ChangTiaoHent.x, 20 * (ChangTiaoHent.y - 2)));
if (ChangTiaoHent.y >= 3) e.Graphics.DrawImage(newImage, new Point(20 * ChangTiaoHent.x, 20 * (ChangTiaoHent.y - 3)));
if (ChangTiaoHent.y >= 1) Xianshi[ChangTiaoHent.y - 1, ChangTiaoHent.x] = true;
if (ChangTiaoHent.y >= 2) Xianshi[ChangTiaoHent.y - 2, ChangTiaoHent.x] = true;
if (ChangTiaoHent.y >= 3) Xianshi[ChangTiaoHent.y - 3, ChangTiaoHent.x] = true; this.ChongG();
}
}
}
if ((Yunxing ==true)&&(Xing == 2))
{
if (ChangTiaoHent.y == 17)
{
Image newImage = Image.FromFile("KK.png"); Point ulCorner = new Point(100, 100);
e.Graphics.DrawImage(newImage, new Point(20 * ChangTiaoHent.x, 20 * ChangTiaoHent.y));
Xianshi[ChangTiaoHent.y, ChangTiaoHent.x] = true;
if (ChangTiaoHent.y >= 1)
{
e.Graphics.DrawImage(newImage, new Point(20 * (ChangTiaoHent.x + 1), 20 * (ChangTiaoHent.y)));
e.Graphics.DrawImage(newImage, new Point(20 * (ChangTiaoHent.x + 2), 20 * (ChangTiaoHent.y)));
e.Graphics.DrawImage(newImage, new Point(20 * (ChangTiaoHent.x + 3), 20 * (ChangTiaoHent.y)));
}
if (ChangTiaoHent.y >= 1) Xianshi[ChangTiaoHent.y, ChangTiaoHent.x + 1] = true;
if (ChangTiaoHent.y >= 1) Xianshi[ChangTiaoHent.y, ChangTiaoHent.x + 2] = true;
if (ChangTiaoHent.y >= 1) Xianshi[ChangTiaoHent.y, ChangTiaoHent.x + 3] = true; this.ChongG();
}
else
{
bool cece = true;
cece = (ChangTiaoHent.y <= 16) && (!Xianshi[ChangTiaoHent.y + 1, ChangTiaoHent.x]) && (!Xianshi[ChangTiaoHent.y + 1, ChangTiaoHent.x + 1]);
if ((cece && (!Xianshi[ChangTiaoHent.y + 1, ChangTiaoHent.x + 2]) && (!Xianshi[ChangTiaoHent.y + 1, ChangTiaoHent.x + 3]) == true))
{
Image newImage = Image.FromFile("KK.png"); Point ulCorner = new Point(100, 100);
e.Graphics.DrawImage(newImage, new Point(20 * ChangTiaoHent.x, 20 * ChangTiaoHent.y));
e.Graphics.DrawImage(newImage, new Point(20 * (ChangTiaoHent.x + 1), 20 * (ChangTiaoHent.y)));
e.Graphics.DrawImage(newImage, new Point(20 * (ChangTiaoHent.x + 2), 20 * (ChangTiaoHent.y)));
e.Graphics.DrawImage(newImage, new Point(20 * (ChangTiaoHent.x + 3), 20 * (ChangTiaoHent.y)));
++ChangTiaoHent.y;
}
else
{
Image newImage = Image.FromFile("KK.png"); Point ulCorner = new Point(100, 100);
e.Graphics.DrawImage(newImage, new Point(20 * ChangTiaoHent.x, 20 * ChangTiaoHent.y));
Xianshi[ChangTiaoHent.y, ChangTiaoHent.x] = true;
if (ChangTiaoHent.y >= 1)
{
e.Graphics.DrawImage(newImage, new Point(20 * (ChangTiaoHent.x + 1), 20 * (ChangTiaoHent.y)));
e.Graphics.DrawImage(newImage, new Point(20 * (ChangTiaoHent.x + 2), 20 * (ChangTiaoHent.y)));
e.Graphics.DrawImage(newImage, new Point(20 * (ChangTiaoHent.x + 3), 20 * (ChangTiaoHent.y)));
}
if (ChangTiaoHent.y >= 1) Xianshi[ChangTiaoHent.y, ChangTiaoHent.x + 1] = true;
if (ChangTiaoHent.y >= 1) Xianshi[ChangTiaoHent.y, ChangTiaoHent.x + 2] = true;
if (ChangTiaoHent.y >= 1) Xianshi[ChangTiaoHent.y, ChangTiaoHent.x + 3] = true; this.ChongG();
}
}
}
e.Dispose();
}
[解决办法]
double buffer
