主要代码：

Declare Function SHShutDownDialog Lib "shell32" Alias "#60" (ByVal lType As Long) As Long
Public Const EWX_LOGOFF = 0
Public Const EWX_SHUTDOWN = 1
Public Const EWX_REBOOT = 2
Public Const EWX_FORCE = 4
Public Const EWX_POWEROFF = 8

SHShutDownDialog EWX_SHUTDOWN

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