internal static Point GetMousePosition(Visual relativeTo)
{
DragDropScrollViewer.MouseUtilities.NativeMethods.Win32Point pt = new DragDropScrollViewer.MouseUtilities.NativeMethods.Win32Point();
DragDropScrollViewer.MouseUtilities.NativeMethods.GetCursorPos(ref pt);
HwndSource hwndSource = (HwndSource)PresentationSource.FromVisual(relativeTo);
DragDropScrollViewer.MouseUtilities.NativeMethods.ScreenToClient(hwndSource.Handle, ref pt);
Point point = relativeTo.TransformToAncestor(hwndSource.RootVisual).Transform(new Point(0.0, 0.0));
return(new Point((double)pt.X - point.X, (double)pt.Y - point.Y));
}
internal static extern bool ScreenToClient(IntPtr hwnd, ref DragDropScrollViewer.MouseUtilities.NativeMethods.Win32Point pt);
internal static extern bool GetCursorPos(ref DragDropScrollViewer.MouseUtilities.NativeMethods.Win32Point pt);
