<Grid> <Grid.ColumnDefinitions> <ColumnDefinition Width="100"></ColumnDefinition> <ColumnDefinition Width="Auto"></ColumnDefinition> <ColumnDefinition Width="20*" /> </Grid.ColumnDefinitions> <ListBox Grid.Column="0" HorizontalAlignment="Left" Name="lstNumber" Width="100" FontFamily="Courier New" FontSize="12" Background="Aqua" ScrollViewer.HorizontalScrollBarVisibility="Hidden" ScrollViewer.VerticalScrollBarVisibility="Hidden" ScrollViewer.ScrollChanged="RichTextBox_ScrollChanged"/> <TextBox Grid.Column="1" HorizontalAlignment="Stretch" Name="txtData" Width="Auto" FontFamily="Courier New" FontSize="12" Margin="101,0,0,0" ScrollViewer.HorizontalScrollBarVisibility="Hidden" ScrollViewer.VerticalScrollBarVisibility="Hidden" ScrollViewer.ScrollChanged="RichTextBox_ScrollChanged"/> <ScrollBar Grid.Column="3" HorizontalAlignment="Right" Scroll="ScrollBar_Scroll"/> </Grid>
private void RichTextBox_ScrollChanged(object sender, ScrollChangedEventArgs e) { if (sender == txtData) { //what to do now? } if (sender == lstNumber) { //what to do now? } }
var
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