本文整理汇总了VB.NET中System.Web.UI.Design.WebControls.LabelDesigner类的典型用法代码示例。如果您正苦于以下问题：VB.NET LabelDesigner类的具体用法？VB.NET LabelDesigner怎么用？VB.NET LabelDesigner使用的例子？那么恭喜您, 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LabelDesigner类的1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
' 导入命名空间
Imports System.Web
Imports System.ComponentModel
Imports System.Web.UI.WebControls
Imports System.Web.UI.Design.WebControls
Imports System.Security.Permissions
Namespace Examples.VB.WebControls.Design
' The SampleLabel is a copy of the Label.
<AspNetHostingPermission(SecurityAction.Demand, _
Level:=AspNetHostingPermissionLevel.Minimal)> _
<AspNetHostingPermission(SecurityAction.InheritanceDemand, _
Level:=AspNetHostingPermissionLevel.Minimal)> _
<Designer(GetType(Examples.VB.WebControls.Design.SampleLabelDesigner))> _
Public Class SampleLabel
Inherits Label
End Class
' Override members of the LabelDesigner.
Public Class SampleLabelDesigner
Inherits LabelDesigner
' Generate the design-time markup.
Public Overrides Function GetDesignTimeHtml() As String
' Make the control more visible in the designer. If the border
' style is None or NotSet, change the border to a dashed line.
Dim sampleLabel As SampleLabel = CType(Component, SampleLabel)
Dim designTimeMarkup As String = Nothing
' Check if the border style should be changed.
If (sampleLabel.BorderStyle = BorderStyle.NotSet Or _
sampleLabel.BorderStyle = BorderStyle.None) Then
Dim oldBorderStyle As BorderStyle = sampleLabel.BorderStyle
Try
' Set the design-time BorderStyle.
sampleLabel.BorderStyle = BorderStyle.Dashed
' Call the base method to generate the markup.
designTimeMarkup = MyBase.GetDesignTimeHtml()
Catch ex As Exception
' If an exception occurs, generate an error message.
designTimeMarkup = GetErrorDesignTimeHtml(ex)
Finally
' Restore the BorderStyle to its original setting.
sampleLabel.BorderStyle = oldBorderStyle
End Try
Else
' Call the base method to generate the markup.
designTimeMarkup = MyBase.GetDesignTimeHtml()
End If
Return designTimeMarkup
End Function ' GetDesignTimeHtml
End Class
End Namespace ' Examples.VB.WebControls.Design