form2.vb

symbol mc1000进行数据采集代码示例

Public Class Form2
    Inherits System.Windows.Forms.Form
    Friend WithEvents NumericUpDown1 As System.Windows.Forms.NumericUpDown
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Public WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents Label1 As System.Windows.Forms.Label

#Region " Windows Form Designer generated code "

    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

    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        MyBase.Dispose(disposing)
    End Sub

    '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 TextBox2 As System.Windows.Forms.TextBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.NumericUpDown1 = New System.Windows.Forms.NumericUpDown
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.Button2 = New System.Windows.Forms.Button
        Me.Button1 = New System.Windows.Forms.Button
        Me.Label2 = New System.Windows.Forms.Label
        Me.Label1 = New System.Windows.Forms.Label
        Me.TextBox2 = New System.Windows.Forms.TextBox
        '
        'NumericUpDown1
        '
        Me.NumericUpDown1.Location = New System.Drawing.Point(80, 192)
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(96, 16)
        Me.TextBox1.Text = ""
        '
        'Button2
        '
        Me.Button2.Location = New System.Drawing.Point(152, 112)
        Me.Button2.Size = New System.Drawing.Size(72, 24)
        Me.Button2.Text = "退出"
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(24, 112)
        Me.Button1.Size = New System.Drawing.Size(72, 24)
        Me.Button1.Text = "确认"
        '
        'Label2
        '
        Me.Label2.ForeColor = System.Drawing.SystemColors.ControlDarkDark
        Me.Label2.Location = New System.Drawing.Point(16, 56)
        Me.Label2.Size = New System.Drawing.Size(80, 16)
        Me.Label2.Text = "条码长度："
        '
        'Label1
        '
        Me.Label1.ForeColor = System.Drawing.SystemColors.ControlDarkDark
        Me.Label1.Location = New System.Drawing.Point(16, 24)
        Me.Label1.Size = New System.Drawing.Size(100, 13)
        Me.Label1.Text = "输入文件名："
        '
        'TextBox2
        '
        Me.TextBox2.Location = New System.Drawing.Point(96, 56)
        Me.TextBox2.Text = ""
        '
        'Form2
        '
        Me.ClientSize = New System.Drawing.Size(234, 159)
        Me.Controls.Add(Me.TextBox2)
        Me.Controls.Add(Me.NumericUpDown1)
        Me.Controls.Add(Me.TextBox1)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.Label2)
        Me.Controls.Add(Me.Label1)
        Me.MaximizeBox = False
        Me.Text = "扫描设置"

    End Sub

#End Region

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        If Len(Trim(TextBox1.Text)) < 1 Then
            MsgBox("文件名不能为空！", MsgBoxStyle.DefaultButton1, "错误")
            Exit Sub
        End If

        P_filename = P_path + Trim(TextBox1.Text) + ".txt"
        P_barlen = Val(NumericUpDown1.Value)
        Dim frm3 As New Form3
        frm3.Show()
        Me.Close()
    End Sub

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

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

    End Sub

    Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        TextBox1.Focus()
    End Sub

    Private Sub TextBox1_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles TextBox1.KeyDown
        If e.KeyValue = 13 Then
            TextBox2.Focus()
        End If
    End Sub

    Private Sub NumericUpDown1_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles NumericUpDown1.KeyDown
        If e.KeyValue = 13 Then
            If Len(Trim(TextBox1.Text)) < 1 Then
                MsgBox("文件名不能为空！", MsgBoxStyle.DefaultButton1, "错误")
                TextBox1.Focus()
                Exit Sub
            End If

            P_filename = P_path + Trim(TextBox1.Text) + ".txt"
            P_barlen = Val(NumericUpDown1.Value)
            Dim frm3 As New Form3
            frm3.Show()
            Me.Close()
        End If
    End Sub

    Private Sub NumericUpDown1_ValueChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles NumericUpDown1.ValueChanged

    End Sub

    Private Sub TextBox2_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox2.TextChanged

    End Sub

    Private Sub TextBox2_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles TextBox2.KeyDown
        If e.KeyValue = 13 Then
            If Val(Trim(TextBox2.Text)) > 0 Then
                NumericUpDown1.Value = Trim(TextBox2.Text)
                If Len(Trim(TextBox1.Text)) < 1 Then
                    MsgBox("文件名不能为空！", MsgBoxStyle.DefaultButton1, "错误")
                    TextBox1.Focus()
                    Exit Sub
                End If

                P_filename = P_path + Trim(TextBox1.Text) + ".txt"
                P_barlen = Val(NumericUpDown1.Value)
                Dim frm3 As New Form3
                frm3.ShowDialog()
                Me.Close()
            Else
                TextBox2.Focus()
            End If
        End If

    End Sub
End Class