form1.vb

Source code for VB.NET book - Chapter 1.

Public Class Form1
    Inherits System.Windows.Forms.Form

#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 TrackBar1 As System.Windows.Forms.TrackBar
    Friend WithEvents Panel1 As System.Windows.Forms.Panel
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button3 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents Button4 As System.Windows.Forms.Button
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Button5 As System.Windows.Forms.Button
    Friend WithEvents ColorDialog1 As System.Windows.Forms.ColorDialog
    Friend WithEvents FontDialog1 As System.Windows.Forms.FontDialog
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.TrackBar1 = New System.Windows.Forms.TrackBar
        Me.Panel1 = New System.Windows.Forms.Panel
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button3 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.Button4 = New System.Windows.Forms.Button
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.Button5 = New System.Windows.Forms.Button
        Me.ColorDialog1 = New System.Windows.Forms.ColorDialog
        Me.FontDialog1 = New System.Windows.Forms.FontDialog
        CType(Me.TrackBar1, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        '
        'TrackBar1
        '
        Me.TrackBar1.Location = New System.Drawing.Point(48, 208)
        Me.TrackBar1.Maximum = 20
        Me.TrackBar1.Name = "TrackBar1"
        Me.TrackBar1.Size = New System.Drawing.Size(216, 45)
        Me.TrackBar1.TabIndex = 1
        '
        'Panel1
        '
        Me.Panel1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
        Me.Panel1.Location = New System.Drawing.Point(16, 16)
        Me.Panel1.Name = "Panel1"
        Me.Panel1.Size = New System.Drawing.Size(256, 112)
        Me.Panel1.TabIndex = 2
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(312, 16)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(64, 24)
        Me.Button1.TabIndex = 3
        Me.Button1.Text = "前景色"
        '
        'Button3
        '
        Me.Button3.Location = New System.Drawing.Point(312, 112)
        Me.Button3.Name = "Button3"
        Me.Button3.Size = New System.Drawing.Size(64, 24)
        Me.Button3.TabIndex = 4
        Me.Button3.Text = "字  体"
        '
        'Button2
        '
        Me.Button2.Location = New System.Drawing.Point(312, 64)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(64, 24)
        Me.Button2.TabIndex = 5
        Me.Button2.Text = "背景色"
        '
        'Button4
        '
        Me.Button4.Location = New System.Drawing.Point(312, 168)
        Me.Button4.Name = "Button4"
        Me.Button4.Size = New System.Drawing.Size(64, 32)
        Me.Button4.TabIndex = 6
        Me.Button4.Text = "显示立体文字"
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(16, 144)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(144, 20)
        Me.TextBox1.TabIndex = 7
        Me.TextBox1.Text = ""
        '
        'Button5
        '
        Me.Button5.Location = New System.Drawing.Point(176, 144)
        Me.Button5.Name = "Button5"
        Me.Button5.Size = New System.Drawing.Size(112, 24)
        Me.Button5.TabIndex = 8
        Me.Button5.Text = "输入要显示的文字"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(392, 266)
        Me.Controls.Add(Me.Button5)
        Me.Controls.Add(Me.TextBox1)
        Me.Controls.Add(Me.Button4)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.Button3)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.Panel1)
        Me.Controls.Add(Me.TrackBar1)
        Me.Name = "Form1"
        Me.Text = "立体文字"
        CType(Me.TrackBar1, System.ComponentModel.ISupportInitialize).EndInit()
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private color1, color2 As Color
    Private str As String
    Private TrackbarPos1, TrackbarPos2
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        ColorDialog1.ShowDialog()
        color1 = ColorDialog1.Color
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        ColorDialog1.ShowDialog()
        color2 = ColorDialog1.Color
    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        FontDialog1.ShowDialog()
    End Sub

    Private Sub TrackBar1_Scroll(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TrackBar1.Scroll
        Dim a As Graphics = Panel1.CreateGraphics
        Dim b As New SolidBrush(color1)
        Dim c As New SolidBrush(color2)
        Dim d As New SolidBrush(Me.BackColor)
        Dim k As Integer

        a.FillRectangle(d, ClientRectangle)
        For k = TrackBar1.Value To 1 Step -1
            a.DrawString(str, FontDialog1.Font, c, 20 + k, 20 - k)
        Next
        a.DrawString(str, FontDialog1.Font, b, 20, 20)
    End Sub

    Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click
        Dim g As Graphics = Panel1.CreateGraphics
        Dim ClearBrush As New SolidBrush(Me.BackColor)
        g.FillRectangle(ClearBrush, ClientRectangle)
        str = TextBox1.Text
        TextBox1.Text = ""
    End Sub

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        color1 = Color.Green
        color2 = Color.Black
        str = "立体文字"
        TrackbarPos1 = 0
    End Sub

    Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
        Dim g As Graphics = Panel1.CreateGraphics
        Dim forebrush As New SolidBrush(color1)
        Dim backbrush As New SolidBrush(color2)

        g.DrawString(str, FontDialog1.Font, backbrush, 20 + TrackBar1.Value, 20 + TrackBar1.Value)
        g.DrawString(str, FontDialog1.Font, forebrush, 20, 20)
    End Sub
End Class