/// <summary>
/// Returns the mouse cursor location. This method is necessary during
/// a drag-drop operation because the WPF mechanisms for retrieving the
/// cursor coordinates are unreliable.
/// </summary>
/// <param name="relativeTo">The Visual to which the mouse coordinates will be relative.</param>
public static System.Windows.Point GetMousePosition(System.Windows.Media.Visual relativeTo)
{
User32.POINT mouse = new User32.POINT();
GetCursorPos(ref mouse);
// Using PointFromScreen instead of Dan Crevier's code (commented out below)
// is a bug fix created by William J. Roberts. Read his comments about the fix
// here: http://www.codeproject.com/useritems/ListViewDragDropManager.asp?msg=1911611#xx1911611xx
return(relativeTo.PointFromScreen(new System.Windows.Point((double)mouse.X, (double)mouse.Y)));
}
private static extern bool GetCursorPos(ref User32.POINT pt);