Private Sub Command3_Click()    ''''执行文件删除操作
    Dim sPath As String
    Dim tCopy As SHFILEOPSTRUCT
    Dim i As Integer
   
    With tCopy
        .hwnd = Form1.hwnd
        .lpszProgressTitle = "正在删除"
        .pTo = sPath
        .fFlags = FOF_ALLOWUNDO
        .wFunc = FO_DELETE
    End With
    For i = 0 To List1.ListCount - 1
        If List1.Selected(i) Then
            tCopy.pFrom = List1.List(i)
            SHFileOperation tCopy
        End If
    Next i
    UpdateList
    Kill sFile
End Sub

Private Sub Form_Load()
    Dim hFileHandle As Long
    Dim TextLine As String
   
    Command1.Caption = "拷贝"
    Command2.Caption = "移动"
    Command3.Caption = "删除"
    Command1.Enabled = False
    Command2.Enabled = False
    Command3.Enabled = False
   
    ''''sFile接受由Windows外壳扩展库contextmenu.dll传递过来的文件参数
    sFile = Command$
    hFileHandle = FreeFile
    Open sFile For Input As hFileHandle
    Do While Not EOF(hFileHandle)
        Line Input #1, TextLine
        If Dir$(TextLine) <> "" Then
            List1.AddItem TextLine
        End If
    Loop
    Close hFileHandle
End Sub

Private Sub Form_Unload(Cancel As Integer)
    If Dir$(sFile) <> "" Then
        Kill sFile
    End If
End Sub

Private Sub List1_Click()
    If Not Command1.Enabled Then
        Command1.Enabled = True
        Command2.Enabled = True
        Command3.Enabled = True
    End If
End Sub
    保存文件并将工程文件编译为FileOP.exe文件，将文件拷贝到C盘根目录下。然后注册contextmenu.dll，注册的方法是，在DOS窗口中进入Windows\system子目录，输入 Regsvr32 x:\xxxxx\contextmenu.dll 。其中x:\xxxxx\为Contextmenu.dll文件所在的驱动器和目录。如果注册成功，系统会弹出对话框，显示 DllRegisterServer in ..\xxx\contextmenu.dll Success 提示注册成功。
    注册成功后，再选择文件并单击右键，就会发现在弹出菜单中多了一个“执行文件操作”的菜单项，点击该项，系统就会调用FileOP.exe执行文件操作，在窗口的列表框中会出现用户选择的文件名，点击相应的文件并点击“拷贝”、“移动”或“删除”按钮就可以对列表框中的选中的文件进行相应的操作。
   

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