pinvoke.net: Edit: Interfaces.IDragSourceHelper

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@pinvoke=http://pinvoke.net/$$$.htm

Summary: COM interface, used for Shell themed Drag & Drop operations from you application window, for example like Windows Explorer does. Use it with IDropTargetHelper.

!!!!C# Definition:
    [ComVisible(true)]
    [ComImport]
    [Guid("DE5BF786-477A-11D2-839D-00C04FD918D0")]
    [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
    public interface IDragSourceHelper {
        void InitializeFromBitmap(
            [In, MarshalAs(UnmanagedType.Struct)] ref ShDragImage dragImage,
            [In, MarshalAs(UnmanagedType.Interface)] IDataObject dataObject);

void InitializeFromWindow(
            [In] IntPtr hwnd,
            [In] ref Point pt,
            [In, MarshalAs(UnmanagedType.Interface)] IDataObject dataObject);
    }
!!!!User-Defined Types:
    [StructLayout(LayoutKind.Sequential)]
    public struct ShDragImage {
        public Size sizeDragImage;
        public Point ptOffset;
        public IntPtr hbmpDragImage;
        public Color crColorKey;
    }

!!!!Notes:

Documentation: IDragSourceHelper@msdn on MSDN