WPF SL 获取RichTextBox 的内容(string)

WPF:

private string GetText(RichTextBox richTextBox)
{
        TextRange textRange = new TextRange(richTextBox.Document.ContentStart, richTextBox.Document.ContentEnd);
        return textRange.Text;
}

ST:

var run = describeRichTextBox.Selection.Start.Parent as Run;
if (run != null)
 {
    string str = run.Text;
 }

转自网址：
http://blog.csdn.net/wushang923/article/details/11048645