c3d4ddf574
------ #### MyDbV4 V3.0.2107.2901 - *.[新增]新增支持计算文件MD5。 - *.[新增]部分DataProvider功能移植到DbExtension里,增加扩展性。 - *.[新增]UnixTimeToDateTime和JSTimeToDateTime新增支持long参数。 - *.[合并]合并RyWeb项目到MyDb里。 #### ryControlsV4 V3.0.2107.2901 - *.[改进]优化减少大量IDE警告和消息。
77 lines
2.4 KiB
C#
77 lines
2.4 KiB
C#
//用在SETreeView 的拖放操作时
|
|
//http://www.codeproject.com/KB/tree/TreeViewDragDrop.aspx
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using System.Runtime.InteropServices;
|
|
|
|
namespace Sheng.Winform.Controls
|
|
{
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
public class DragHelper
|
|
{
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
[DllImport("comctl32.dll")]
|
|
public static extern bool InitCommonControls();
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="himlTrack"></param>
|
|
/// <param name="iTrack"></param>
|
|
/// <param name="dxHotspot"></param>
|
|
/// <param name="dyHotspot"></param>
|
|
/// <returns></returns>
|
|
[DllImport("comctl32.dll", CharSet = CharSet.Auto)]
|
|
public static extern bool ImageList_BeginDrag(IntPtr himlTrack, int
|
|
iTrack, int dxHotspot, int dyHotspot);
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="x"></param>
|
|
/// <param name="y"></param>
|
|
/// <returns></returns>
|
|
[DllImport("comctl32.dll", CharSet = CharSet.Auto)]
|
|
public static extern bool ImageList_DragMove(int x, int y);
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
[DllImport("comctl32.dll", CharSet = CharSet.Auto)]
|
|
public static extern void ImageList_EndDrag();
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="hwndLock"></param>
|
|
/// <param name="x"></param>
|
|
/// <param name="y"></param>
|
|
/// <returns></returns>
|
|
[DllImport("comctl32.dll", CharSet = CharSet.Auto)]
|
|
public static extern bool ImageList_DragEnter(IntPtr hwndLock, int x, int y);
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="hwndLock"></param>
|
|
/// <returns></returns>
|
|
[DllImport("comctl32.dll", CharSet = CharSet.Auto)]
|
|
public static extern bool ImageList_DragLeave(IntPtr hwndLock);
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="fShow"></param>
|
|
/// <returns></returns>
|
|
[DllImport("comctl32.dll", CharSet = CharSet.Auto)]
|
|
public static extern bool ImageList_DragShowNolock(bool fShow);
|
|
|
|
static DragHelper()
|
|
{
|
|
InitCommonControls();
|
|
}
|
|
}
|
|
}
|