管理
[DllImport("coredll.dll", EntryPoint = "BitBlt")] extern public static bool BitBlt( IntPtr hdcDest, // 目标 DC的句柄 int nXDest, int nYDest, int nWidth, int nHeight, IntPtr hdcSrc, // 源DC的句柄 int nXSrc, int nYSrc, RasterOperation dwRop // 光栅的处理数值 );[DllImport("coredll.dll", EntryPoint = "GetDC")] public static extern IntPtr GetDC(IntPtr hwnd);
//截取屏幕图像 public static Image GetScreenShot()
{
try
{ IntPtr srcHdc = GetDC(IntPtr.Zero); Rectangle rect = System.Windows.Forms.Screen.PrimaryScreen.Bounds; Bitmap image = new Bitmap(rect.Width, rect.Height, System.Drawing.Imaging.PixelFormat.Format24bppRgb); using (Graphics graphics = Graphics.FromImage(image)) { IntPtr dstHdc = graphics.GetHdc(); BitBlt(dstHdc, 0, 0, image.Width, image.Height, srcHdc, 0,0, 0x00CC0020); graphics.ReleaseHdc(dstHdc); return image;
} } catch (System.Exception e) { MessageBox.Show(e.Message, "GetScreenShot Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1); return null; }
}
