/// <summary>
/// Get the dimensions of the specified window. Includes location and size.
/// </summary>
/// <param name="hWnd">The handle to the window.</param>
/// <returns>The dimensions of the window.</returns>
public static Rectangle GetDimensions(IntPtr hWnd)
{
Structs.Rect hWndRect = new Structs.Rect();
WinAPI.GetWindowRect(hWnd, out hWndRect);
return(new Rectangle(hWndRect.X, hWndRect.Y, hWndRect.Width, hWndRect.Height));
}
/// <summary>
/// Convert a global coordinate to a window coordinate.
/// </summary>
/// <param name="hWnd">The handle to the window.</param>
/// <param name="x">The x coordinate.</param>
/// <param name="y">The y coordinate.</param>
/// <returns>The coordinate.</returns>
public static Point ConvertToWindowCoordinates(IntPtr hWnd, int x, int y)
{
Structs.Rect hWndRect = new Structs.Rect();
WinAPI.GetWindowRect(hWnd, out hWndRect);
Point point = new Point(hWndRect.X + x, hWndRect.Y + y);
return(point);
}
/// <summary>
/// Get the mouse position relative to the top left corner of a window.
/// </summary>
/// <param name="hWnd">The handle to the window.</param>
/// <param name="x">The x coordinate.</param>
/// <param name="y">The y coordinate.</param>
/// <returns>The mouse position.</returns>
public static Point GetCoordinateRelativeToWindow(IntPtr hWnd)
{
Structs.Rect hWndRect = new Structs.Rect();
WinAPI.GetWindowRect(hWnd, out hWndRect);
int x = Cursor.Position.X;
int y = Cursor.Position.Y;
Point point = new Point(x - hWndRect.X, y - hWndRect.Y);
return(point);
}
/// <summary>
/// Get a screenshot of the specified window.
/// </summary>
/// <param name="hWnd">The handle to the window.</param>
/// <returns></returns>
public static Bitmap Screenshot(IntPtr hWnd)
{
Normalize(hWnd);
Structs.Rect rc;
WinAPI.GetWindowRect(hWnd, out rc);
Bitmap bmp = new Bitmap(rc.Width, rc.Height, PixelFormat.Format32bppArgb);
Graphics gfxBmp = Graphics.FromImage(bmp);
IntPtr hdcBitmap = gfxBmp.GetHdc();
WinAPI.PrintWindow(hWnd, hdcBitmap, 0);
gfxBmp.ReleaseHdc(hdcBitmap);
gfxBmp.Dispose();
// If you want to leave out the window title and borders use this:
//bmp = ImageProcessing.Crop(bmp, new Rectangle(8, 30, bmp.Width - 16, bmp.Height - 30 - 8));
return(bmp);
}