本文整理汇总了VB.NET中System.Web.UI.Design.WebControls.CheckBoxDesigner类的典型用法代码示例。如果您正苦于以下问题：VB.NET CheckBoxDesigner类的具体用法？VB.NET CheckBoxDesigner怎么用？VB.NET CheckBoxDesigner使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了CheckBoxDesigner类的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，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: GetDesignTimeHtml
'Imports System.Design
Imports System.Drawing
Imports System.ComponentModel
Imports System.Web.UI.WebControls
Imports System.Web.UI.Design
Imports System.Web.UI.Design.WebControls
'Imports Examples.AspNet
Namespace Examples.AspNet '.Design
' Create a class, named SampleCheckBoxDesigner, that overrides the
' GetDesignTimeHtml method to display the control on the design
' surface.
Public Class SampleCheckBoxDesigner
Inherits System.Web.UI.Design.WebControls.CheckBoxDesigner
' Override the GetDesignTimeHtml method to display a border on the
' control if the BorderStyle property has not been set by the user.
Public Overrides Function GetDesignTimeHtml() As String
Dim sampleCheckBox As SampleCheckBox = CType(Component, _
SampleCheckBox)
Dim designTimeHtml As String = Nothing
' Check the control's BorderStyle property.
If (sampleCheckBox.BorderStyle = BorderStyle.NotSet) Then
' Save the current value of the BorderStyle property.
Dim oldBorderStyle As BorderStyle = _
sampleCheckBox.BorderStyle
' Change the value of the BorderStyle property and
' generate the design-time HTML.
Try
sampleCheckBox.BorderStyle = BorderStyle.Groove
designTimeHtml = MyBase.GetDesignTimeHtml()
' If an exception occurs, call the GetErrorDesignTimeHtml
' method.
Catch ex As Exception
designTimeHtml = GetErrorDesignTimeHtml(ex)
' Restore the BorderStyle property to its original value.
Finally
sampleCheckBox.BorderStyle = oldBorderStyle
End Try
Else
designTimeHtml = MyBase.GetDesignTimeHtml()
End If
Return designTimeHtml
End Function
End Class
End Namespace示例2:
Namespace Examples.AspNet
' The SampleCheckBox class that uses the SampleCheckBoxDesigner class.
<Designer(GetType( _
Examples.AspNet.SampleCheckBoxDesigner))> _
Public Class SampleCheckBox
Inherits CheckBox
' To customize the CheckBox class, insert code here.
End Class
End Namespace