C# 스크린샷 캡쳐할때 사용함수

[[DllImport(“gdi32.dll”)]

static extern bool BitBlt(IntPtr hdcDest, int xDest, int yDest, int

wDest, int hDest, IntPtr hdcSource, int xSrc, int ySrc, CopyPixelOperation rop);

[DllImport(“user32.dll”)]

static extern bool ReleaseDC(IntPtr hWnd, IntPtr hDc);

[DllImport(“gdi32.dll”)]

static extern IntPtr DeleteDC(IntPtr hDc);

[DllImport(“gdi32.dll”)]

static extern IntPtr DeleteObject(IntPtr hDc);

[DllImport(“gdi32.dll”)]

static extern IntPtr CreateCompatibleBitmap(IntPtr hdc, int nWidth, int nHeight);

[DllImport(“gdi32.dll”)]

static extern IntPtr CreateCompatibleDC(IntPtr hdc);

[DllImport(“gdi32.dll”)]

static extern IntPtr SelectObject(IntPtr hdc, IntPtr bmp);

[DllImport(“user32.dll”)]

public static extern IntPtr GetDC(IntPtr ptr);

private Bitmap CaptureScreen(int x, int y, int 넓이, int 높이)

{

IntPtr hDC = GetDC(IntPtr.Zero);

IntPtr hMemDC = CreateCompatibleDC(hDC);

IntPtr hBitmap = CreateCompatibleBitmap(hDC, 넓이, 높이);

IntPtr hOld = (IntPtr)SelectObject(hMemDC, hBitmap);

BitBlt(hMemDC, -x, -y, 넓이+x, 높이+y, hDC, 0, 0, CopyPixelOperation.SourceCopy | CopyPixelOperation.CaptureBlt);

SelectObject(hMemDC, hOld);

DeleteDC(hMemDC);

ReleaseDC(IntPtr.Zero, hDC);

Bitmap memoryImage = System.Drawing.Image.FromHbitmap(hBitmap);

DeleteObject(hBitmap);

return memoryImage;

}