本文整理汇总了VB.NET中System.Web.UI.Design.WebControls.ButtonDesigner.GetDesignTimeHtml方法的典型用法代码示例。如果您正苦于以下问题：VB.NET ButtonDesigner.GetDesignTimeHtml方法的具体用法？VB.NET ButtonDesigner.GetDesignTimeHtml怎么用？VB.NET ButtonDesigner.GetDesignTimeHtml使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Web.UI.Design.WebControls.ButtonDesigner的用法示例。
在下文中一共展示了ButtonDesigner.GetDesignTimeHtml方法的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
' Create a class that derives from ButtonDesigner
' and displays the custom SampleButton control
' on the design surface.
Imports System.Web.UI.Design
Imports System.Drawing
Imports System.ComponentModel
Imports System.Web.UI.WebControls
Imports System.Web.UI.Design.WebControls
Namespace Examples.AspNet
Public Class SampleButtonDesigner
Inherits ButtonDesigner
' Override the GetDesignTimeHtml method.
Public Overrides Function GetDesignTimeHtml() As String
Dim sampleButton As SampleButton = CType(Component, SampleButton)
Dim designTimeHtml As String = Nothing
' Check the control's BorderStyle property
' to conditionally render design-time HTML.
If (sampleButton.BorderStyle = BorderStyle.NotSet) Then
' Create variables to hold current property settings.
Dim oldBorderStyle As BorderStyle = sampleButton.BorderStyle
Dim oldBorderWidth As Unit = sampleButton.BorderWidth
Dim oldBorderColor As Color = sampleButton.BorderColor
' Set properties and the design-time HTML.
Try
sampleButton.BorderStyle = BorderStyle.Dashed
sampleButton.BorderWidth = Unit.Pixel(3)
sampleButton.BorderColor = Color.Blue
designTimeHtml = MyBase.GetDesignTimeHtml()
' If an exception occurs, call the GetErrorDesignTimeHtml
' method.
Catch ex As Exception
designTimeHtml = GetErrorDesignTimeHtml(ex)
' Return properties to their original settings.
Finally
sampleButton.BorderStyle = oldBorderStyle
sampleButton.BorderWidth = oldBorderWidth
sampleButton.BorderColor = oldBorderColor
End Try
Else
designTimeHtml = MyBase.GetDesignTimeHtml()
End If
Return designTimeHtml
End Function
End Class
End Namespace