form1.vb

用.NET实现的手机打电话程序

Public Class Form1
    Inherits System.Windows.Forms.Form
    Dim Phone As New Rs232

#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 Button1 As System.Windows.Forms.Button
    Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Button1 = New System.Windows.Forms.Button
        Me.TextBox2 = New System.Windows.Forms.TextBox
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.SuspendLayout()
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(8, 304)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(72, 24)
        Me.Button1.TabIndex = 1
        Me.Button1.Text = "Reset"
        '
        'TextBox2
        '
        Me.TextBox2.Location = New System.Drawing.Point(224, 304)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.Size = New System.Drawing.Size(72, 21)
        Me.TextBox2.TabIndex = 2
        Me.TextBox2.Text = "4"
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(8, 8)
        Me.TextBox1.Multiline = True
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.ReadOnly = True
        Me.TextBox1.ScrollBars = System.Windows.Forms.ScrollBars.Vertical
        Me.TextBox1.Size = New System.Drawing.Size(288, 288)
        Me.TextBox1.TabIndex = 0
        Me.TextBox1.Text = ""
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(304, 339)
        Me.Controls.Add(Me.TextBox2)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.TextBox1)
        Me.Name = "Form1"
        Me.Text = "Form1"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        If Phone.IsOpen = True Then
            Phone.Close()
        End If
        TextBox1.Text = ""
        Phone.Port = TextBox2.Text
        Phone.Open()
        If Phone.IsOpen = False Then TextBox1.Text = "Fail to connect mobile phone"

    End Sub


    Private Sub TextBox1_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles TextBox1.KeyDown
        If Phone.IsOpen = False Then TextBox1.Text = "Please open port first" : Exit Sub
        Dim cmd As String
        Dim i As Integer
        Select Case e.KeyCode
            Case Keys.Up
                cmd = "^"
            Case Keys.Down
                cmd = "V"
            Case Keys.Left
                cmd = "<"
            Case Keys.Right
                cmd = ">"
            Case Keys.Back, Keys.Escape, Keys.ShiftKey
                cmd = "["
            Case Keys.End, Keys.Enter
                cmd = "252"
            Case Keys.F1
                cmd = "S"
            Case Keys.Insert
                cmd = "0"
            Case Keys.F2
                cmd = "P"
            Case Keys.F3
                cmd = "M"

            Case Keys.D0 To Keys.D9
                cmd = """" & (e.KeyCode - 48).ToString & """"

            Case Keys.A To Keys.C
                cmd = MakeChar(e.KeyCode, Keys.A, 2)
            Case Keys.D To Keys.F
                cmd = MakeChar(e.KeyCode, Keys.D, 3)
            Case Keys.G To Keys.I
                cmd = MakeChar(e.KeyCode, Keys.G, 4)
            Case Keys.J To Keys.L
                cmd = MakeChar(e.KeyCode, Keys.J, 5)
            Case Keys.M To Keys.O
                cmd = MakeChar(e.KeyCode, Keys.M, 6)
            Case Keys.P To Keys.S
                cmd = MakeChar(e.KeyCode, Keys.P, 7)
            Case Keys.T To Keys.V
                cmd = MakeChar(e.KeyCode, Keys.T, 8)
            Case Keys.W To Keys.Z
                cmd = MakeChar(e.KeyCode, Keys.W, 9)
        End Select
        cmd = "AT+CKPD=" + cmd + vbCrLf
        TextBox1.Text = TextBox1.Text + cmd
        Phone.Write(cmd)
    End Sub

    Private Function MakeChar(ByVal keycode As Integer, ByVal keyStart As Integer, ByVal num As Integer) As String
        Dim i As Integer
        Dim cmd As String
        For i = 0 To keycode - keyStart
            cmd = num.ToString & cmd
        Next
        cmd = """" & cmd & """"
        Return cmd
    End Function

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
        TextBox1.Text = ""
    End Sub


    Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged

    End Sub

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Phone.Port = CType(TextBox2.Text, Integer)
        Phone.Open()
        If Phone.IsOpen Then Me.Text = "Phone Connection" Else Me.Text = "Error in connection"
        TextBox1.Focus()
    End Sub
End Class