KILL 删除文件
RmDir path 删除目录或文件夹

如果没有指定驱动器，则RmDir会在当前驱动器上删除目录或文件夹。如果想要使用RmDir删除一个含有文件的目录或文件夹，则会发生错误。只有用Kill语句删除所有文件后，才能用来RmDir删除目录或文件夹

问题补充：照你的意思 看来一句话完成你想要的命令是不行的。必须先列举里面的的文件夹 然后删除里面的文件在删除文件才可以，不过这样比较麻烦，我刚从别处摘抄了一段代码 是强行删除带有文件的目录，你自己在套用里面的函数就可以了，希望对你有帮助。。

'VB强行删除目录或（VB强行删除文件）模块源码

Public Enum FO_Operation
    FO_MOVE = 1
    FO_COPY = 2
    FO_DELETE = 3
    FO_RENAME = 4
End Enum

Public Enum FOFlags
    FOF_MULTIDESTFILES = &H1 'Destination specifies multiple files
    FOF_SILENT = &H4 'Don't display progress dialog
    FOF_RENAMEONCOLLISION = &H8 'Rename if destination already exists
    FOF_NOCONFIRMATION = &H10 'Don't prompt user
    FOF_WANTMAPPINGHANDLE = &H20 'Fill in hNameMappings member
    FOF_ALLOWUNDO = &H40 'Store undo information if possible
    FOF_FILESONLY = &H80 'On *.*, don't copy directories
    FOF_SIMPLEPROGRESS = &H100 'Don't show name of each file
    FOF_NOCONFIRMMKDIR = &H200 'Don't confirm making any needed dirs
End Enum

Public Type SHFILEOPSTRUCT
    hwnd As Long
    wFunc As Long
    pFrom As String
    pTo As String
    fFlags As Integer
    fAnyOperationsAborted As Long
    hNameMappings As Long
    lpszProgressTitle As Long ' only used if FOF_SIMPLEPROGRESS
End Type

Private Declare Function SHFileOperation Lib "shell32.dll" Alias "SHFileOperationA" (lpFileOp As SHFILEOPSTRUCT) As Long

Private op As SHFILEOPSTRUCT

Public Sub DeleteFolder(sDeleteFolder As String, Optional Interface As Boolean = False)
   
    SetAttr sDeleteFolder, vbNormal
    With op
        .wFunc = FO_DELETE
        .pFrom = sDeleteFolder
        .fFlags = IIf(Interface = False, FOF_NOCONFIRMATION, FOF_NOCONFIRMATION And FOF_SILENT)
    End With
    SHFileOperation op
   
End Sub

'假如你要删除的目录是："c:\temp"，无论它有多少子目录，有多少文件，一样被删除，前提是目录已经存在。