sorttestpanel.vb

排序的测试 程序 数据结构 实现程序

Public Class SortTestPanel
    Inherits System.Windows.Forms.UserControl

#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

    'UserControl 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 picSort As System.Windows.Forms.PictureBox
    Friend WithEvents lblEnd As System.Windows.Forms.Label
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.picSort = New System.Windows.Forms.PictureBox
        Me.lblEnd = New System.Windows.Forms.Label
        Me.SuspendLayout()
        '
        'picSort
        '
        Me.picSort.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.picSort.Location = New System.Drawing.Point(0, 16)
        Me.picSort.Name = "picSort"
        Me.picSort.Size = New System.Drawing.Size(100, 200)
        Me.picSort.TabIndex = 0
        Me.picSort.TabStop = False
        '
        'lblEnd
        '
        Me.lblEnd.Dock = System.Windows.Forms.DockStyle.Top
        Me.lblEnd.ForeColor = System.Drawing.Color.Red
        Me.lblEnd.Location = New System.Drawing.Point(0, 0)
        Me.lblEnd.Name = "lblEnd"
        Me.lblEnd.Size = New System.Drawing.Size(100, 16)
        Me.lblEnd.TabIndex = 1
        '
        'SortTestPanel
        '
        Me.Controls.Add(Me.lblEnd)
        Me.Controls.Add(Me.picSort)
        Me.Name = "SortTestPanel"
        Me.Size = New System.Drawing.Size(100, 216)
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private objSort As New SortTest
    WithEvents objSortEvent As SortTest

    Private Item(99) As Integer

    Public Sub Init()
        Dim i As Integer
        For i = 0 To 99 Step 1
            Item(i) = CInt(1000 * Rnd() + 1)
        Next
        objSortEvent = objSort
        Me.picSort.Refresh()
        Me.lblEnd.Text = "Wait..."
    End Sub

    Public Sub Begin(ByVal Sorttype As String)
        Me.lblEnd.Text = "Begin..."
        Me.Refresh()
        Select Case Sorttype
            Case "Bubble"
                objSort.BubbleSort(Item, 0, 99)
            Case "Select"
                objSort.SelectSort(Item, 0, 99)
            Case "Insert"
                objSort.InsertSort(Item, 0, 99)
            Case "Quick"
                objSort.QuickSort(Item, 0, 99)
            Case Else
                objSort.QuickSort(Item, 0, 99)
        End Select
        Me.lblEnd.Text = "Finished!"
        Me.Refresh()
    End Sub

    Private Sub picSort_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles picSort.Paint
        Dim myPen As New Pen(Color.Black, 1)
        Dim myGraphics As Graphics = e.Graphics
        Dim i As Long
        For i = 0 To 99
            myGraphics.DrawLine(myPen, 0, 2 * i, CInt(CDbl(Item(i)) / 10), 2 * i)
        Next
    End Sub

    Private Sub objSortEvent_ItemChanged() Handles objSortEvent.ItemChanged
        Me.picSort.Refresh()
    End Sub
End Class