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　　程序代碼:

Form1

Private Declare Function GetComputerName Lib "kernel32" Alias "GetComputerNameA" (ByVal lpBuffer As String, nSize As Long) As Long

Private Sub Command1_Click()
Dim Name As String, Length As Long

Length = 225
Name = String(Length, Chr(0))
GetComputerName Name, Length
Name = Left(Name, Length)
Label1.Caption = Name

End Sub

Private Sub Form_Load()

End Sub