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VB.NET HyperLinkDesigner.GetDesignTimeHtml方法代碼示例

本文整理匯總了VB.NET中System.Web.UI.Design.WebControls.HyperLinkDesigner.GetDesignTimeHtml方法的典型用法代碼示例。如果您正苦於以下問題:VB.NET HyperLinkDesigner.GetDesignTimeHtml方法的具體用法?VB.NET HyperLinkDesigner.GetDesignTimeHtml怎麽用?VB.NET HyperLinkDesigner.GetDesignTimeHtml使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在System.Web.UI.Design.WebControls.HyperLinkDesigner的用法示例。


在下文中一共展示了HyperLinkDesigner.GetDesignTimeHtml方法的1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: CustomHyperLinkDesigner

' Derive the CustomHyperLinkDesigner from the HyperLinkDesigner.
Public Class CustomHyperLinkDesigner
    Inherits HyperLinkDesigner

    ' Override the GetDesignTimeHtml to set the CustomHyperLink Text
    ' property so that it displays at design time.
    Public Overrides Function GetDesignTimeHtml() As String

        Dim hype As CustomHyperLink = CType(Component, CustomHyperLink)
        Dim designTimeMarkup As String = Nothing

        ' Save the original Text and note if it is empty.
        Dim text As String = hype.Text
        Dim noText As Boolean = (text.Trim().Length = 0)

        Try
            ' If the Text is empty, supply a default value.
            If noText Then
                hype.Text = "Click here."
            End If

            ' Call the base method to generate the markup.
            designTimeMarkup = MyBase.GetDesignTimeHtml()

        Catch ex As Exception
            ' If an error occurs, generate the markup for an error message.
            designTimeMarkup = GetErrorDesignTimeHtml(ex)

        Finally
            ' Restore the original value of the Text, if necessary.
            If noText Then
                hype.Text = text
            End If
        End Try

        ' If the markup is empty, generate the markup for a placeholder.
        If ((designTimeMarkup = Nothing) Or _
            (designTimeMarkup.Length = 0)) Then
            designTimeMarkup = GetEmptyDesignTimeHtml()
        End If

        Return designTimeMarkup

    End Function ' GetDesignTimeHtml
End Class
開發者ID:VB.NET開發者,項目名稱:System.Web.UI.Design.WebControls,代碼行數:45,代碼來源:HyperLinkDesigner.GetDesignTimeHtml


注:本文中的System.Web.UI.Design.WebControls.HyperLinkDesigner.GetDesignTimeHtml方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。