vb.net 第十四节 返回本机网络接口数量 GetNumberOfInterfaces

Posted 2022-03-23 VB.Net

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Imports System.Runtime.InteropServices

Public Class Form15
    'DWORD GetNumberOfInterfaces(_Out_ PDWORD pdwNumIf);

    'Private Declare Function GetNumberOfInterfaces Lib "iphlpapi.dll" (pdwNumIf As Long) As Long

    Private Declare Function GetNumberOfInterfaces Lib "iphlpapi.dll" (ByRef dwNumIf As Integer) As Integer

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        Dim dwNumIf As Integer
        Dim returnValue As Integer
        returnValue = GetNumberOfInterfaces(dwNumIf)
        MessageBox.Show(dwNumIf)
    End Sub
End Class

由于.net平台下C#和vb.NET很相似，本文也可以为C#爱好者提供参考。

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