public static bool GetParentWindowHandle(this Visual element, out IntPtr hwnd)
{
hwnd = IntPtr.Zero;
HwndSource wpfHandle = PresentationSource.FromVisual(element) as HwndSource;
if (wpfHandle == null)
{
return(false);
}
hwnd = Win32Helper.GetParent(wpfHandle.Handle);
if (hwnd == IntPtr.Zero)
{
hwnd = wpfHandle.Handle;
}
return(true);
}
public static void SetParentToMainWindowOf(this Window window, Visual element)
{
var wndParent = Window.GetWindow(element);
if (wndParent != null)
{
window.Owner = wndParent;
}
else
{
IntPtr parentHwnd;
if (GetParentWindowHandle(element, out parentHwnd))
{
Win32Helper.SetOwner(new WindowInteropHelper(window).Handle, parentHwnd);
}
}
}
public static void SetOwner(IntPtr childHandle, IntPtr ownerHandle)
{
Win32Helper.SetWindowLong(childHandle, -8, ownerHandle.ToInt32());
}
internal static Win32Helper.RECT GetWindowRect(IntPtr hWnd)
{
Win32Helper.RECT rECT = new Win32Helper.RECT();
Win32Helper.GetWindowRect(hWnd, out rECT);
return(rECT);
}
public static IntPtr GetOwner(IntPtr childHandle)
{
return(new IntPtr(Win32Helper.GetWindowLong(childHandle, -8)));
}
internal static Point GetMousePosition()
{
Win32Helper.Win32Point win32Point = new Win32Helper.Win32Point();
Win32Helper.GetCursorPos(ref win32Point);
return(new Point((double)win32Point.X, (double)win32Point.Y));
}
