form1.vb

Visual.Basic.NET实用编程百例-47.6M.zip

Public Class Form1
    Inherits System.Windows.Forms.Form
    Dim r, g, b As Integer

#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
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents HScrollBar1 As System.Windows.Forms.HScrollBar
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents HScrollBar2 As System.Windows.Forms.HScrollBar
    Friend WithEvents Label4 As System.Windows.Forms.Label
    Friend WithEvents HScrollBar3 As System.Windows.Forms.HScrollBar
    Friend WithEvents Label5 As System.Windows.Forms.Label
    Friend WithEvents Label6 As System.Windows.Forms.Label
    Friend WithEvents Label7 As System.Windows.Forms.Label
    '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。
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Label7 = New System.Windows.Forms.Label
        Me.Label1 = New System.Windows.Forms.Label
        Me.Label2 = New System.Windows.Forms.Label
        Me.Label3 = New System.Windows.Forms.Label
        Me.HScrollBar2 = New System.Windows.Forms.HScrollBar
        Me.HScrollBar3 = New System.Windows.Forms.HScrollBar
        Me.HScrollBar1 = New System.Windows.Forms.HScrollBar
        Me.Label4 = New System.Windows.Forms.Label
        Me.Label5 = New System.Windows.Forms.Label
        Me.Label6 = New System.Windows.Forms.Label
        Me.SuspendLayout()
        '
        'Label7
        '
        Me.Label7.Location = New System.Drawing.Point(200, 120)
        Me.Label7.Name = "Label7"
        Me.Label7.Size = New System.Drawing.Size(32, 23)
        Me.Label7.TabIndex = 3
        '
        'Label1
        '
        Me.Label1.Font = New System.Drawing.Font("宋体", 14.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(134, Byte))
        Me.Label1.Location = New System.Drawing.Point(64, 24)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(120, 23)
        Me.Label1.TabIndex = 0
        Me.Label1.Text = "颜色的渐变"
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(16, 64)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(40, 23)
        Me.Label2.TabIndex = 1
        Me.Label2.Text = "红"
        '
        'Label3
        '
        Me.Label3.Location = New System.Drawing.Point(16, 88)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(40, 23)
        Me.Label3.TabIndex = 1
        Me.Label3.Text = "绿"
        '
        'HScrollBar2
        '
        Me.HScrollBar2.Location = New System.Drawing.Point(56, 91)
        Me.HScrollBar2.Maximum = 255
        Me.HScrollBar2.Name = "HScrollBar2"
        Me.HScrollBar2.Size = New System.Drawing.Size(136, 16)
        Me.HScrollBar2.TabIndex = 2
        '
        'HScrollBar3
        '
        Me.HScrollBar3.Location = New System.Drawing.Point(56, 115)
        Me.HScrollBar3.Maximum = 255
        Me.HScrollBar3.Name = "HScrollBar3"
        Me.HScrollBar3.Size = New System.Drawing.Size(136, 16)
        Me.HScrollBar3.TabIndex = 2
        '
        'HScrollBar1
        '
        Me.HScrollBar1.Location = New System.Drawing.Point(56, 64)
        Me.HScrollBar1.Maximum = 255
        Me.HScrollBar1.Name = "HScrollBar1"
        Me.HScrollBar1.Size = New System.Drawing.Size(136, 16)
        Me.HScrollBar1.TabIndex = 2
        '
        'Label4
        '
        Me.Label4.Location = New System.Drawing.Point(16, 112)
        Me.Label4.Name = "Label4"
        Me.Label4.Size = New System.Drawing.Size(40, 23)
        Me.Label4.TabIndex = 1
        Me.Label4.Text = "蓝"
        '
        'Label5
        '
        Me.Label5.Location = New System.Drawing.Point(200, 64)
        Me.Label5.Name = "Label5"
        Me.Label5.Size = New System.Drawing.Size(32, 23)
        Me.Label5.TabIndex = 3
        '
        'Label6
        '
        Me.Label6.Location = New System.Drawing.Point(200, 96)
        Me.Label6.Name = "Label6"
        Me.Label6.Size = New System.Drawing.Size(32, 23)
        Me.Label6.TabIndex = 3
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(240, 165)
        Me.Controls.Add(Me.Label7)
        Me.Controls.Add(Me.Label6)
        Me.Controls.Add(Me.Label5)
        Me.Controls.Add(Me.Label4)
        Me.Controls.Add(Me.HScrollBar3)
        Me.Controls.Add(Me.Label3)
        Me.Controls.Add(Me.HScrollBar2)
        Me.Controls.Add(Me.HScrollBar1)
        Me.Controls.Add(Me.Label2)
        Me.Controls.Add(Me.Label1)
        Me.Name = "Form1"
        Me.Text = "调色功能"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Label5.Text = Str(HScrollBar1.Value)
        Label6.Text = Str(HScrollBar2.Value)
        Label7.Text = Str(HScrollBar3.Value)
        r = 0
        g = 0
        b = 0
        Label1.ForeColor = System.Drawing.ColorTranslator.FromOle(RGB(r, g, b))
    End Sub

    Private Sub HScrollBar1_ValueChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles HScrollBar1.ValueChanged
        r = HScrollBar1.Value
        Label5.Text = Str(HScrollBar1.Value)
        Label1.ForeColor = System.Drawing.ColorTranslator.FromOle(RGB(r, g, b))
    End Sub

    Private Sub HScrollBar2_ValueChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles HScrollBar2.ValueChanged
        g = HScrollBar2.Value
        Label6.Text = Str(HScrollBar2.Value)
        Label1.ForeColor = System.Drawing.ColorTranslator.FromOle(RGB(r, g, b))
    End Sub

    Private Sub HScrollBar3_ValueChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles HScrollBar3.ValueChanged
        b = HScrollBar3.Value
        Label7.Text = Str(HScrollBar3.Value)
        Label1.ForeColor = System.Drawing.ColorTranslator.FromOle(RGB(r, g, b))
    End Sub
End Class