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VB.NET TextPointer.GetInsertionPosition方法代码示例

本文整理汇总了VB.NET中System.Windows.Documents.TextPointer.GetInsertionPosition方法的典型用法代码示例。如果您正苦于以下问题:VB.NET TextPointer.GetInsertionPosition方法的具体用法?VB.NET TextPointer.GetInsertionPosition怎么用?VB.NET TextPointer.GetInsertionPosition使用的例子?那么, 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System.Windows.Documents.TextPointer的用法示例。


在下文中一共展示了TextPointer.GetInsertionPosition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: empty

' Tests to see if the specified TextElement is empty (has no printatble content).
Private Function IsElementEmpty(ByVal element As TextElement) As Boolean
    ' Find starting and ending insertion positions in the element.
    ' Inward-facing directions are used to make sure that insertion position
    ' will be found correctly in case when the element may contain inline 
    ' formatting elements (such as a Span or Run that contains Bold or Italic elements).
    Dim start As TextPointer = element.ContentStart.GetInsertionPosition(LogicalDirection.Forward)
    Dim [end] As TextPointer = element.ContentEnd.GetInsertionPosition(LogicalDirection.Backward)

    ' The element has no printable content if its first and last insertion positions are equal.
    Return start.CompareTo([end]) = 0

End Function ' End IsEmptyElement method.
开发者ID:VB.NET开发者,项目名称:System.Windows.Documents,代码行数:13,代码来源:TextPointer.GetInsertionPosition


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