VB.NET CheckBox.ThreeState属性代码示例

OStack程序员社区-中国程序员成长平台 › 门户 › 编程› VB.NET›VB.NET教程

原作者: [db:作者] 来自: [db:来源] 收藏邀请

本文整理汇总了VB.NET中System.Windows.Forms.CheckBox.ThreeState属性的典型用法代码示例。如果您正苦于以下问题：VB.NET CheckBox.ThreeState属性的具体用法？VB.NET CheckBox.ThreeState怎么用？VB.NET CheckBox.ThreeState使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类System.Windows.Forms.CheckBox的用法示例。

在下文中一共展示了CheckBox.ThreeState属性的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的VB.NET代码示例。

示例1: AdjustMyCheckBoxProperties

Private Sub AdjustMyCheckBoxProperties()

    ' Change the ThreeState and CheckAlign properties on every other click.
    If Not checkBox1.ThreeState Then
        checkBox1.ThreeState = True
        checkBox1.CheckAlign = ContentAlignment.MiddleRight
    Else
        checkBox1.ThreeState = False
        checkBox1.CheckAlign = ContentAlignment.MiddleLeft
    End If

    ' Concatenate the property values together on three lines.
    label1.Text = "ThreeState: " & checkBox1.ThreeState.ToString() & ControlChars.Cr & _
        "Checked: " & checkBox1.Checked.ToString() & ControlChars.Cr & _
        "CheckState: " & checkBox1.CheckState.ToString()

End Sub

开发者ID:VB.NET开发者，项目名称:System.Windows.Forms，代码行数:17，代码来源:CheckBox.ThreeState

示例2: Module1

' 导入命名空间
Imports System.Windows.Forms

Module Module1

    Sub Main()
        Application.Run(New Form1)
    End Sub

End Module




Public Class Form1
    Inherits System.Windows.Forms.Form
    Friend WithEvents CheckBox1 As System.Windows.Forms.CheckBox
    Friend WithEvents CheckBox2 As System.Windows.Forms.CheckBox
    Friend WithEvents CheckBox3 As System.Windows.Forms.CheckBox
    Friend WithEvents Label1 As System.Windows.Forms.Label

    Public Sub New()
        MyBase.New()

        Me.CheckBox1 = New System.Windows.Forms.CheckBox()
        Me.CheckBox2 = New System.Windows.Forms.CheckBox()
        Me.CheckBox3 = New System.Windows.Forms.CheckBox()
        Me.Label1 = New System.Windows.Forms.Label()
        Me.SuspendLayout()
        '
        'CheckBox1
        '
        Me.CheckBox1.Location = New System.Drawing.Point(24, 32)
        Me.CheckBox1.Name = "CheckBox1"
        Me.CheckBox1.TabIndex = 0
        Me.CheckBox1.Text = "Item 1 "
        Me.CheckBox1.ThreeState = True
        '
        'CheckBox2
        '
        Me.CheckBox2.Location = New System.Drawing.Point(24, 72)
        Me.CheckBox2.Name = "CheckBox2"
        Me.CheckBox2.Size = New System.Drawing.Size(136, 24)
        Me.CheckBox2.TabIndex = 1
        Me.CheckBox2.Text = "Item 2 "
        Me.CheckBox2.ThreeState = True
        '
        'CheckBox3
        '
        Me.CheckBox3.Location = New System.Drawing.Point(24, 112)
        Me.CheckBox3.Name = "CheckBox3"
        Me.CheckBox3.Size = New System.Drawing.Size(144, 24)
        Me.CheckBox3.TabIndex = 2
        Me.CheckBox3.Text = "Item 3"
        Me.CheckBox3.ThreeState = True
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(32, 176)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(224, 56)
        Me.Label1.TabIndex = 3
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(292, 273)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Label1, Me.CheckBox3, Me.CheckBox2, Me.CheckBox1})
        Me.Name = "Form1"
        Me.Text = "CheckBoxDemo"
        Me.ResumeLayout(False)

    End Sub

    Private Sub CheckBox1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles CheckBox1.Click, CheckBox2.Click, CheckBox3.Click
        Label1.Text = "Choices: "
        If (CheckBox1.Checked) Then
            Label1.Text = Label1.Text & " " & CheckBox1.Text
        End If

        If (CheckBox1.CheckState = CheckState.Indeterminate) Then
            Label1.Text = Label1.Text & " " & CheckBox1.Text & " (I)"
        End If

        If (CheckBox2.Checked) Then
            Label1.Text = Label1.Text & " " & CheckBox2.Text
        End If

        If (CheckBox2.CheckState = CheckState.Indeterminate) Then
            Label1.Text = Label1.Text & " " & CheckBox2.Text & " (I)"
        End If

        If (CheckBox3.Checked) Then
            Label1.Text = Label1.Text & " " & CheckBox3.Text
        End If

        If (CheckBox3.CheckState = CheckState.Indeterminate) Then
            Label1.Text = Label1.Text & " " & CheckBox3.Text & " (I)"
        End If

        Label1.Refresh()
    End Sub

End Class

开发者ID:VB程序员，项目名称:System.Windows.Forms，代码行数:104，代码来源:CheckBox.ThreeState

注：本文中的System.Windows.Forms.CheckBox.ThreeState属性示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。