form1.vb

一些ＶＢ中数组运用的例子

Public Class Form1
    Inherits System.Windows.Forms.Form

#Region " Windows Form Designer generated code "

    Public Sub New()
        MyBase.New()

        'This call is required by the Windows Form Designer.
        InitializeComponent()

        'Add any initialization after the InitializeComponent() call

    End Sub

    'Form overrides dispose to clean up the component list.
    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
    Friend WithEvents lblCh As System.Windows.Forms.Label
    Friend WithEvents txtCh As System.Windows.Forms.TextBox
    Friend WithEvents lblR As System.Windows.Forms.Label
    Friend WithEvents btnSeek As System.Windows.Forms.Button
        Friend WithEvents lblKeyIn As System.Windows.Forms.Label
    Friend WithEvents txtKeyIn As System.Windows.Forms.TextBox
    
    'Required by the Windows Form Designer
    Private components As System.ComponentModel.Container

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.txtKeyIn = New System.Windows.Forms.TextBox
        Me.btnSeek = New System.Windows.Forms.Button
        Me.lblCh = New System.Windows.Forms.Label
        Me.lblKeyIn = New System.Windows.Forms.Label
        Me.lblR = New System.Windows.Forms.Label
        Me.txtCh = New System.Windows.Forms.TextBox
        Me.SuspendLayout()
        '
        'txtKeyIn
        '
        Me.txtKeyIn.Font = New System.Drawing.Font("Microsoft Sans Serif", 12.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(136, Byte))
        Me.txtKeyIn.Location = New System.Drawing.Point(19, 37)
        Me.txtKeyIn.MaxLength = 20
        Me.txtKeyIn.Name = "txtKeyIn"
        Me.txtKeyIn.Size = New System.Drawing.Size(288, 26)
        Me.txtKeyIn.TabIndex = 0
        Me.txtKeyIn.Text = ""
        '
        'btnSeek
        '
        Me.btnSeek.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(136, Byte))
        Me.btnSeek.Location = New System.Drawing.Point(125, 112)
        Me.btnSeek.Name = "btnSeek"
        Me.btnSeek.Size = New System.Drawing.Size(67, 22)
        Me.btnSeek.TabIndex = 3
        Me.btnSeek.Text = "搜索"
        '
        'lblCh
        '
        Me.lblCh.Font = New System.Drawing.Font("Microsoft Sans Serif", 12.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(136, Byte))
        Me.lblCh.Location = New System.Drawing.Point(19, 82)
        Me.lblCh.Name = "lblCh"
        Me.lblCh.Size = New System.Drawing.Size(211, 23)
        Me.lblCh.TabIndex = 1
        Me.lblCh.Text = "请输入要寻找的字符"
        '
        'lblKeyIn
        '
        Me.lblKeyIn.Font = New System.Drawing.Font("Microsoft Sans Serif", 12.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(136, Byte))
        Me.lblKeyIn.Location = New System.Drawing.Point(19, 7)
        Me.lblKeyIn.Name = "lblKeyIn"
        Me.lblKeyIn.Size = New System.Drawing.Size(173, 23)
        Me.lblKeyIn.TabIndex = 1
        Me.lblKeyIn.Text = "请输入一个字符串"
        '
        'lblR
        '
        Me.lblR.Font = New System.Drawing.Font("Microsoft Sans Serif", 12.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(136, Byte))
        Me.lblR.Location = New System.Drawing.Point(19, 149)
        Me.lblR.Name = "lblR"
        Me.lblR.Size = New System.Drawing.Size(288, 23)
        Me.lblR.TabIndex = 0
        '
        'txtCh
        '
        Me.txtCh.Font = New System.Drawing.Font("Microsoft Sans Serif", 12.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(136, Byte))
        Me.txtCh.Location = New System.Drawing.Point(250, 75)
        Me.txtCh.Name = "txtCh"
        Me.txtCh.Size = New System.Drawing.Size(48, 26)
        Me.txtCh.TabIndex = 2
        Me.txtCh.Text = ""
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(326, 183)
        Me.Controls.Add(Me.txtKeyIn)
        Me.Controls.Add(Me.lblKeyIn)
        Me.Controls.Add(Me.btnSeek)
        Me.Controls.Add(Me.lblR)
        Me.Controls.Add(Me.txtCh)
        Me.Controls.Add(Me.lblCh)
        Me.Name = "Form1"
        Me.Text = "f10_3_2 顺序搜索法"
        Me.ResumeLayout(False)

    End Sub

#End Region
    '************** f10_3_2 **************
    Dim arr(19) As String
    Dim i As Integer

    Private Sub btnSeek_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnSeek.Click
        For i = 0 To 19
            arr(i) = Mid(txtKeyIn.Text, i + 1, 1)
        Next i
        '顺序搜索法
        For i = 0 To 19
            If txtCh.Text = arr(i) Then
                lblR.Text = txtCh.Text & "字符排列在第" & Str(i + 1) & " 顺序的位置"
                Exit Sub
            End If
        Next i
        lblR.Text = "查无数据"
    End Sub

End Class