/// <summary>
/// Takes the snapshot of the window owned by a process
/// </summary>
/// <param name="name">The process name</param>
/// <returns>Bitmap object</returns>
public static Bitmap ProcessSnapshot(string name)
{
IntPtr hwnd = IntPtr.Zero;
foreach (System.Diagnostics.Process p in System.Diagnostics.Process.GetProcessesByName(name))
{
if (p.MainWindowHandle != IntPtr.Zero)
{
hwnd = p.MainWindowHandle;
break;
}
}
if (hwnd == IntPtr.Zero)
{
return(null);
}
else
{
USER32.RECT rc;
USER32.GetWindowRect(hwnd, out rc);
Rectangle r = ApiConverter.ToRectangle(rc);
Bitmap bitmap = new Bitmap(r.Width, r.Height, PixelFormat.Format24bppRgb);
using (Graphics g = Graphics.FromImage(bitmap))
{
IntPtr hdcBitmap = g.GetHdc();
USER32.PrintWindow(hwnd, hdcBitmap, 0);
}
return(bitmap);
}
}
/// <summary>
/// Takes a snaphot of a window
/// </summary>
/// <param name="hwnd">Handle to the window</param>
/// <returns>Bitmap object</returns>
public static Bitmap WindowSnapshot(IntPtr hwnd)
{
if (hwnd == IntPtr.Zero)
{
return(null);
}
else
{
USER32.RECT rc;
USER32.GetWindowRect(hwnd, out rc);
Rectangle r = ApiConverter.ToRectangle(rc);
Bitmap bitmap = new Bitmap(r.Width, r.Height, PixelFormat.Format24bppRgb);
using (Graphics g = Graphics.FromImage(bitmap))
{
IntPtr hdcBitmap = g.GetHdc();
USER32.PrintWindow(hwnd, hdcBitmap, 0);
}
return(bitmap);
}
}