TextBox的SelectionChanged事件及TextBox的Select属性
效果就是选取text后会显示选取的字符内容,以及在当前TextBox中这些内容的位置。
监听SelectionChanged事件
private void txt_SelectionChanged(object sender, RoutedEventArgs e) { if (txtSelection == null) return; txtSelection.Text = String.Format( "Selection from {0} to {1} is \"{2}\"", txt.SelectionStart, txt.SelectionLength, txt.SelectedText); }