模块中的声明：

Public Declare Function GetComputerName Lib "kernel32" Alias "GetComputerNameA" (ByVal lpBuffer As String,nSize As Long) As Long
Public Declare Function SetComputerName Lib "kernel32" Alias "SetComputerNameA" (ByVal lpComputerName As String) As Long

Public Declare Function GetCursorPos Lib "user32" (lpPoint As pointapi) As Long

Type pointapi
x As Long
y As Long
End Type

窗体中的代码：

Private Sub Command1_Click() '获取computer name
Dim name As String * 255,length As Long
length = 255
name = String(length,0)
GetComputerName name,length
name = Left(name,InStr(name,Chr(0)) - 1)
Label1.Caption = name
End Sub

Private Sub Command2_Click() '设置computer name
Dim name As String
name = Text1.Text
SetComputerName name
End Sub

Private Sub Timer1_Timer() '随时获得鼠标坐标
Dim point As pointapi
GetCursorPos point
Label1.Caption = "x=" & point.x & "y=" & point.y
End Sub

Timer1.Interval=10