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using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using System.Windows.Forms;
namespace ShellDll
{
[ComImport]
[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
[Guid("00000122-0000-0000-C000-000000000046")]
public interface IDropTarget
{
// Determines whether a drop can be accepted and its effect if it is accepted
[PreserveSig]
Int32 DragEnter(
IntPtr pDataObj,
ShellAPI.MK grfKeyState,
ShellAPI.POINT pt,
ref DragDropEffects pdwEffect);
// Provides target feedback to the user through the DoDragDrop function
[PreserveSig]
Int32 DragOver(
ShellAPI.MK grfKeyState,
ShellAPI.POINT pt,
ref DragDropEffects pdwEffect);
// Causes the drop target to suspend its feedback actions
[PreserveSig]
Int32 DragLeave();
// Drops the data into the target window
[PreserveSig]
Int32 DragDrop(
IntPtr pDataObj,
ShellAPI.MK grfKeyState,
ShellAPI.POINT pt,
ref DragDropEffects pdwEffect);
}
}
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