我只知道如何取得内容
<script language="Javascript">
function showsel()
{
sel = window.document.selection.createRange();
alert(sel.text);
}
</script>
<script language="Javascript">
function showsel()
{
sel = window.document.selection.createRange();
alert(sel.text);
}
</script>
[C#]
RichTextBox.SelectedText 获取或设置 RichTextBox 内的选定文本。[Visual Basic]
Overrides Public Property SelectedText As String