form1.vb

是一个很好的电话拨号程序

Public Class Form1
    Inherits System.Windows.Forms.Form

#Region " Windows 窗体设计器生成的代码 "

    Public Sub New()
        MyBase.New()

        '该调用是 Windows 窗体设计器所必需的。
        InitializeComponent()

        '在 InitializeComponent() 调用之后添加任何初始化

    End Sub

    '窗体重写 dispose 以清理组件列表。
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub

    'Windows 窗体设计器所必需的
    Private components As System.ComponentModel.IContainer

    '注意: 以下过程是 Windows 窗体设计器所必需的
    '可以使用 Windows 窗体设计器修改此过程。
    '不要使用代码编辑器修改它。
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents ListBox1 As System.Windows.Forms.ListBox
    Friend WithEvents Icon1 As System.Windows.Forms.NotifyIcon
    Friend WithEvents ContextMenu1 As System.Windows.Forms.ContextMenu
    Friend WithEvents MenuItem1 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem2 As System.Windows.Forms.MenuItem
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.components = New System.ComponentModel.Container
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(Form1))
        Me.Label1 = New System.Windows.Forms.Label
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.ListBox1 = New System.Windows.Forms.ListBox
        Me.Icon1 = New System.Windows.Forms.NotifyIcon(Me.components)
        Me.ContextMenu1 = New System.Windows.Forms.ContextMenu
        Me.MenuItem1 = New System.Windows.Forms.MenuItem
        Me.MenuItem2 = New System.Windows.Forms.MenuItem
        Me.SuspendLayout()
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(8, 8)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(160, 16)
        Me.Label1.TabIndex = 0
        Me.Label1.Text = "请输入你要拨的电话号码："
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(8, 24)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(272, 21)
        Me.TextBox1.TabIndex = 1
        Me.TextBox1.Text = ""
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(24, 56)
        Me.Button1.Name = "Button1"
        Me.Button1.TabIndex = 2
        Me.Button1.Text = "拨号"
        '
        'Button2
        '
        Me.Button2.Location = New System.Drawing.Point(192, 56)
        Me.Button2.Name = "Button2"
        Me.Button2.TabIndex = 3
        Me.Button2.Text = "退出"
        '
        'ListBox1
        '
        Me.ListBox1.ItemHeight = 12
        Me.ListBox1.Location = New System.Drawing.Point(8, 88)
        Me.ListBox1.Name = "ListBox1"
        Me.ListBox1.Size = New System.Drawing.Size(272, 76)
        Me.ListBox1.TabIndex = 4
        '
        'Icon1
        '
        Me.Icon1.ContextMenu = Me.ContextMenu1
        Me.Icon1.Icon = CType(resources.GetObject("Icon1.Icon"), System.Drawing.Icon)
        Me.Icon1.Text = "电话拨号"
        Me.Icon1.Visible = True
        '
        'ContextMenu1
        '
        Me.ContextMenu1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem1, Me.MenuItem2})
        '
        'MenuItem1
        '
        Me.MenuItem1.Index = 0
        Me.MenuItem1.Text = "退出"
        '
        'MenuItem2
        '
        Me.MenuItem2.Index = 1
        Me.MenuItem2.Text = "还原"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(292, 174)
        Me.Controls.Add(Me.ListBox1)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.TextBox1)
        Me.Controls.Add(Me.Label1)
        Me.Icon = CType(resources.GetObject("$this.Icon"), System.Drawing.Icon)
        Me.Name = "Form1"
        Me.Text = "电话拨号"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Declare Function tapiRequestMakeCall Lib "tapi32.dll" (ByVal DestAddress As String, ByVal AppName As String, ByVal CalledParty As String, ByVal comment As String) As Integer
    Const TAPIERR_CONNECTED As Short = 0
    Const TAPIERR_DROPPED As Short = -1
    Const TAPIERR_NOREQUESTRECIPIENT As Short = -2
    Const TAPIERR_REQUESTQUEUEFULL As Short = -3
    Const TAPIERR_INVALDESTADDRESS As Short = -4
    Const TAPIERR_DESTBUSY As Short = -11
    Const TAPIERR_UNKNOWNREQUESTID As Short = -15
    Const TAPIERR_REQUESTFAILED As Short = -16

    Private Sub EnableDial()
        Button1.Enabled = Len(Trim(TextBox1.Text)) > 0
    End Sub

    Sub tapiStatus(ByRef strres As Integer)
        Select Case strres
            Case TAPIERR_CONNECTED
                ListBox1.Items.Add("信息：拨号已连接！")
            Case TAPIERR_INVALDESTADDRESS
                ListBox1.Items.Add("错误：错误的目的地址！")
            Case TAPIERR_NOREQUESTRECIPIENT
                ListBox1.Items.Add("错误：没有电话接口程序运行！")
            Case TAPIERR_REQUESTFAILED
                ListBox1.Items.Add("错误：拨号请求由于未知原因失败！")
            Case TAPIERR_DESTBUSY
                ListBox1.Items.Add("错误：对方电话正忙！")
            Case TAPIERR_UNKNOWNREQUESTID
                ListBox1.Items.Add("错误：没有这个电话号码！")
            Case TAPIERR_DROPPED
                ListBox1.Items.Add("错误：对方已挂断！")
        End Select
    End Sub
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim strPhoneNum As String
        Dim res As Integer
        If Trim(TextBox1.Text) = "" Then
            ListBox1.Items.Add("错误：没有输入电话号码！")
            Exit Sub
        Else
            strPhoneNum = TextBox1.Text
        End If

        res = tapiRequestMakeCall(strPhoneNum, "Tapi Sample", strPhoneNum, "")
        Call tapiStatus(res)
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Close()
    End Sub

    Private Sub Form1_MinimumSizeChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.MinimumSizeChanged
        Icon1.Visible = True
    End Sub

    Private Sub MenuItem1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem1.Click
        Close()
    End Sub

    Private Sub MenuItem2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem2.Click
        Me.Show()
    End Sub
End Class