C#用光标获取图片框中的像素？

Question

如何使用光标获取像素x和图片y框？

Answer 1

如果要获取所点击像素的颜色:

Color pixelColor;

// add the mouse click event handler in designer mode or:
// myPicturebox.MouseClick += new MouseEventHandler(myPicturebox_MouseClick);
private void myPicturebox_MouseClick(object sender, MouseEventArgs e) {
   if (e.Button == MouseButtons.Left) 
      pixelColor = GetColorAt(e.Location);
}

private Color GetColorAt(Point point) {
   return ((Bitmap)myPicturebox.Image).GetPixel(point.X, point.Y);
}

Answer 2

图片框无法获取像素.但它包含的图像可用于创建具有getpixel函数的位图对象.不过我会提到这不是最快的操作.如果你需要快速,我会看看GID win32功能.