本文整理汇总了VB.NET中System.Windows.Documents.TextPointer.GetPositionAtOffset方法的典型用法代码示例。如果您正苦于以下问题:VB.NET TextPointer.GetPositionAtOffset方法的具体用法?VB.NET TextPointer.GetPositionAtOffset怎么用?VB.NET TextPointer.GetPositionAtOffset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类System.Windows.Documents.TextPointer
的用法示例。
在下文中一共展示了TextPointer.GetPositionAtOffset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: GetOffsetRelativeToParagraph
' Returns the offset for the specified position relative to any containing paragraph.
Private Function GetOffsetRelativeToParagraph(ByVal position As TextPointer) As Integer
' Adjust the pointer to the closest forward insertion position, and look for any
' containing paragraph.
Dim paragraph As Paragraph = (position.GetInsertionPosition(LogicalDirection.Forward)).Paragraph
' Some positions may be not within any Paragraph
' this method returns an offset of -1 to indicate this condition.
Return If((paragraph Is Nothing), -1, paragraph.ContentStart.GetOffsetToPosition(position))
End Function
' Returns a TextPointer to a specified offset into a specified paragraph.
Private Function GetTextPointerRelativeToParagraph(ByVal paragraph As Paragraph, ByVal offsetRelativeToParagraph As Integer) As TextPointer
' Verify that the specified offset falls within the specified paragraph. If the offset is
' past the end of the paragraph, return a pointer to the farthest offset position in the paragraph.
' Otherwise, return a TextPointer to the specified offset in the specified paragraph.
Return If((offsetRelativeToParagraph > paragraph.ContentStart.GetOffsetToPosition(paragraph.ContentEnd)), paragraph.ContentEnd, paragraph.ContentStart.GetPositionAtOffset(offsetRelativeToParagraph))
End Function