private void GatesScroll_ScrollChanged(object sender, ScrollChangedEventArgs e)
{
if (e.VerticalChange != 0)
{
RegisterScroll.ScrollToVerticalOffset(e.VerticalOffset);
GatesScroll.ScrollToVerticalOffset(RegisterScroll.VerticalOffset);
}
// if added step
if (e.ExtentWidthChange > 0)
{
CircuitGridVM circuitVM = DataContext as CircuitGridVM;
int addedColumn = circuitVM.LastStepAdded;
if (addedColumn > 0)
{
// if newly added step is not fully visible
double scrollNeeded = e.ExtentWidthChange * (addedColumn + 1) - GatesScroll.HorizontalOffset - GatesScroll.ViewportWidth;
if (scrollNeeded > 0)
{
GatesScroll.ScrollToHorizontalOffset(GatesScroll.HorizontalOffset + scrollNeeded);
}
}
}
}
private void RegisterScroll_ScrollChanged(object sender, ScrollChangedEventArgs e)
{
GatesScroll.ScrollToVerticalOffset(e.VerticalOffset);
}