本文整理匯總了VB.NET中System.Web.UI.Design.WebControls.CheckBoxDesigner類的典型用法代碼示例。如果您正苦於以下問題：VB.NET CheckBoxDesigner類的具體用法？VB.NET CheckBoxDesigner怎麽用？VB.NET CheckBoxDesigner使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了CheckBoxDesigner類的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
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