ScrollViewer is one among the commonly used Silverlight control. When you develop Silverlight application, at some time, you'll come across using ScrollViewer. Using ScrollViewer is straightforward in most of the cases. In some scenarios (like displaying chat history messages, stock history update), we might want to bind values to elements inside the ScrollViewer and then scroll to the bottom in order to make the latest message appear in the visible region.
ScrollToBottom() is one among the several extension methods available for ScrollViewer which helps us to achieve scrolling vertically to the end of the ScrollViewer content. While using this ScrollToBottom() method some developers won't see the ScrollViewer scrolls upto the bottom. So, why it is like that what need to be done to make it work? Let us dive into the implementation of ScrollToBottom() method and find out the solution.
Snippet 1: (ScrollToBottom() implementation)
As most of us might guess, it scrolls the veritical offset to the
ScrollToBottom() is one among the several extension methods available for ScrollViewer which helps us to achieve scrolling vertically to the end of the ScrollViewer content. While using this ScrollToBottom() method some developers won't see the ScrollViewer scrolls upto the bottom. So, why it is like that what need to be done to make it work? Let us dive into the implementation of ScrollToBottom() method and find out the solution.
Snippet 1: (ScrollToBottom() implementation)
public static void ScrollToBottom(this ScrollViewer viewer)
{
if (viewer == null)
{
throw new ArgumentNullException("viewer");
}
viewer.ScrollToVerticalOffset(viewer.ExtentHeight);
}
As most of us might guess, it scrolls the veritical offset to the
