One of the things that was the hardest to do in IIM was to find a reliable
way to scroll the chat text box to the end of the newest text. I found
quite a few 'solutions' on the web, and most of them barely worked. The best one I found was this one.
I cannot find the source of it on Google, so perhaps it's disappeared since I
found it. To get this to work, create your own class extending the TextBox
or RichTextBox Class and add this inside it. This one really seems like an
oversight on Microsoft's part, this should have been included in the .Net
framework from 1.0.
#region
Scroll To End
public
void ScrollToEnd()
{
try
{
// place our cursor at the end of the text
base.SelectionStart =
base.Text.Length;
// create a new message to scroll to the
// bottom of the textbox
Message m = Message.Create(base.Handle,277/*WM_VSCROLL*/,(IntPtr)7/*SB_BOTTOM*/,IntPtr.Zero);
// send the message to scroll to the bottom of the
textbox.
base.WndProc(ref
m);
}
catch (Exception e)
{
log.Error("Exception scrolling to end",e);
}
}