using System; using System.Drawing; using System.Windows.Forms; namespace WeifenLuo.WinFormsUI.Docking { internal static class Win32Helper { public static Control ControlAtPoint(Point pt) { return Control.FromChildHandle(NativeMethods.WindowFromPoint(pt)); } public static uint MakeLong(int low, int high) { return (uint)((high << 16) + low); } } }