本文整理汇总了C#中System.Windows.Documents.FlowDocument.GetPointerFromCharOffset方法的典型用法代码示例。如果您正苦于以下问题:C# FlowDocument.GetPointerFromCharOffset方法的具体用法?C# FlowDocument.GetPointerFromCharOffset怎么用?C# FlowDocument.GetPointerFromCharOffset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.Windows.Documents.FlowDocument
的用法示例。
在下文中一共展示了FlowDocument.GetPointerFromCharOffset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C#代码示例。
示例1: Highlight
private static TextPointer Highlight(FlowDocument document, Interval interval)
{
if (document == null)
throw new ArgumentNullException("document");
TextPointer contentStart = document.ContentStart;
// clear any existing highlight
TextRange documentRange = new TextRange(document.ContentStart, document.ContentEnd);
documentRange.ApplyPropertyValue(FlowDocument.BackgroundProperty, FlowDocument.BackgroundProperty.DefaultMetadata.DefaultValue);
if (interval == null)
return null;
// highlight the new text
int startOffset = interval.Start;
int endOffset = interval.End;
TextPointer highlightStart = document.GetPointerFromCharOffset(ref startOffset);
TextPointer highlightStop = document.GetPointerFromCharOffset(ref endOffset);
if (startOffset != 0 || endOffset != 0)
return null;
var textRange = new TextRange(highlightStart, highlightStop);
textRange.ApplyPropertyValue(FlowDocument.BackgroundProperty, Brushes.Yellow);
return textRange.Start;
}