这篇文章给大家介绍VB.NET中怎么实现网络监控,内容非常详细,感兴趣的小伙伴们可以参考借鉴,希望对大家能有所帮助。
1.在窗体上放置一个TreeView控件,改名为tvInfo。
2.再放置一个按钮控件。
3.双击按钮,编写VB.NET网络监控代码。
Dim _ManagementObjectSearcher As
New System.Management.Management
ObjectSearcher("SELECT * FROM
Win32_NetworkAdapterConfiguration")
Dim _ParenNode As TreeNode =
Nothing '父节点
Me.tvInfo.Nodes.Clear()
Try
For Each ManObj As System.
Management.ManagementObject
In _ManagementObjectSearcher.Get
_ParenNode = New TreeNode
(ManObj("Description"))
If CBool(ManObj("IPEnabled")) Then
创建 ip地址及子网掩码 子节点
Dim _IpNode As New TreeNode("IP Address | Default Gateway") If (ManObj("IPAddress") IsNot Nothing) Then For i As Integer = 0 To UBound(ManObj("IPAddress")) _IpNode.Nodes.Add(New TreeNode(ManObj("IPAddress")(i) & " | " & ManObj("IPSubnet")(i))) Next Else _IpNode.Nodes.Add(New TreeNode("Null")) End If
创建 默认网关 子节点
Dim _GatewayNode As New TreeNode("Default Gateway") If (ManObj("DefaultIPGateway") IsNot Nothing) Then For i As Integer = 0 To UBound(ManObj("DefaultIPGateway")) _GatewayNode.Nodes.Add(New TreeNode(ManObj("DefaultIPGateway")(i))) Next Else _GatewayNode.Nodes.Add(New TreeNode("Null")) End If
Dim _DNSNode As New TreeNode("DNS Servers") If (ManObj("DNSServerSearchOrder") IsNot Nothing) Then For i As Integer = 0 To UBound(ManObj("DNSServerSearchOrder")) _DNSNode.Nodes.Add(New TreeNode(ManObj("DNSServerSearchOrder")(i))) Next Else _DNSNode.Nodes.Add(New TreeNode("Null")) End If
_ParenNode.Nodes.AddRange( _ New TreeNode() { _ New TreeNode(String.Format("Physical Address:{0}", ManObj("MACAddress"))), _ New TreeNode(String.Format("DHCPEnabled:{0}", ManObj("DHCPEnabled"))), _ _IpNode, _ _GatewayNode, _ _DNSNode _ }) End If
_ParenNode.ExpandAll() Me.tvInfo.Nodes.Add(_ParenNode) Next Catch ex As Exception MsgBox(ex.Message, MsgBoxStyle.Exclamation) End Try
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