/// <summary>
/// Gets a Bitmap of the window (aka. screen capture)
/// </summary>
public static Bitmap GetWindowCaptureAsBitmap(int handle)
{
IntPtr hWnd = new IntPtr(handle);
Win32.Rect rc = new Win32.Rect();
if (!Win32.GetWindowRect(hWnd, ref rc))
{
return(null);
}
// Win32.WindowInfo wi = new Win32.WindowInfo();
// wi.size = Marshal.SizeOf(wi);
// if (!Win32.GetWindowInfo(hWnd, ref wi))
// return null;
// create a bitmap from the visible clipping bounds of the graphics object from the window
Bitmap bitmap = new Bitmap(rc.Width, rc.Height);
// create a graphics object from the bitmap
Graphics gfxBitmap = Graphics.FromImage(bitmap);
// get a device context for the bitmap
IntPtr hdcBitmap = gfxBitmap.GetHdc();
// get a device context for the window
IntPtr hdcWindow = Win32.GetWindowDC(hWnd);
// bitblt the window to the bitmap
Win32.BitBlt(hdcBitmap, 0, 0, rc.Width, rc.Height, hdcWindow, 0, 0, (int)Win32.TernaryRasterOperations.SRCCOPY);
// release the bitmap's device context
gfxBitmap.ReleaseHdc(hdcBitmap);
Win32.ReleaseDC(hWnd, hdcWindow);
// dispose of the bitmap's graphics object
gfxBitmap.Dispose();
// return the bitmap of the window
return(bitmap);
}
/// <summary>
/// Gets a Bitmap of the window (aka. screen capture)
/// </summary>
public static Bitmap GetWindowCaptureAsBitmap(int handle)
{
IntPtr hWnd = new IntPtr(handle);
Win32.Rect rc = new Win32.Rect();
if (!Win32.GetWindowRect(hWnd, ref rc))
return null;
// Win32.WindowInfo wi = new Win32.WindowInfo();
// wi.size = Marshal.SizeOf(wi);
// if (!Win32.GetWindowInfo(hWnd, ref wi))
// return null;
// create a bitmap from the visible clipping bounds of the graphics object from the window
Bitmap bitmap = new Bitmap(rc.Width, rc.Height);
// create a graphics object from the bitmap
Graphics gfxBitmap = Graphics.FromImage(bitmap);
// get a device context for the bitmap
IntPtr hdcBitmap = gfxBitmap.GetHdc();
// get a device context for the window
IntPtr hdcWindow = Win32.GetWindowDC(hWnd);
// bitblt the window to the bitmap
Win32.BitBlt(hdcBitmap, 0, 0, rc.Width, rc.Height, hdcWindow, 0, 0, (int)Win32.TernaryRasterOperations.SRCCOPY);
// release the bitmap's device context
gfxBitmap.ReleaseHdc(hdcBitmap);
Win32.ReleaseDC(hWnd, hdcWindow);
// dispose of the bitmap's graphics object
gfxBitmap.Dispose();
// return the bitmap of the window
return bitmap;
}
