form1.vb

来自「OOP With Microsoft VB.NET And Csharp Ste」· VB 代码 · 共 106 行

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

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer

    '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.
    Friend WithEvents Button1 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Button1 = New System.Windows.Forms.Button()
        Me.SuspendLayout()
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(104, 232)
        Me.Button1.Name = "Button1"
        Me.Button1.TabIndex = 0
        Me.Button1.Text = "Draw"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(292, 266)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button1})
        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
        '        Dim points As New ArrayList()
        '        Dim rgen As New System.Random()
        '        Dim pt As SortablePoint
        '        Dim count As Integer
        '        Dim graph As Graphics = Me.CreateGraphics
        '        Dim aColor As Color
        '        For count = 0 To 249
        '            points.Add(New SortablePoint(rgen.Next(200), rgen.Next(200)))
        '        Next
        '        points.Sort()
        '        For count = 0 To 249
        '            pt = CType(points(count), SortablePoint)
        '            aColor = System.Drawing.Color.FromArgb(25, 25, count)
        '            Dim brush As New System.Drawing.SolidBrush(aColor)
        '            graph.FillEllipse(brush, pt.X, pt.Y, 10, 10)
        '            brush.Dispose()
        '        Next


        '        Dim points As New SortedPointList()
        '        points.AddRandomPoints(250, 200)
        '        Dim graph As Graphics = Me.CreateGraphics
        '        Dim count As Integer = 1
        '        Dim aColor As Color
        '        Dim pt As SortablePoint
        '        For Each pt In points
        '            aColor = System.Drawing.Color.FromArgb(25, 25, count)
        '            count += 1
        '            Dim brush As New System.Drawing.SolidBrush(aColor)
        '            graph.FillEllipse(brush, pt.X, pt.Y, 10, 10)
        '            brush.Dispose()
        '        Next


        Dim points As New SortedPointList()
        points.AddRandomPoints(5, 200)
        Dim graph As Graphics = Me.CreateGraphics
        Dim pt As SortablePoint
        For Each pt In points
            graph.FillEllipse(System.Drawing.Brushes.Black, pt.X, pt.Y, 10, 10)
            Dim ptlocation As String = String.Format("{0:L}", pt)
            graph.DrawString(ptlocation, New Font("Arial", 8), _
                System.Drawing.Brushes.Black, pt.X + 11, pt.Y)
        Next

    End Sub

End Class