How to prevent TextBox auto scrolls when append text?

Question

I have a multi-line TextBox with a vertical scrollbar that logs data from a realtime process. Currently, whenever a new line is added by textBox.AppendText(), the T

Answer 1

You have to do it something like this,

textBox1.AppendText("Your text here");
// this selects the index zero as the location of your caret
textBox1.Select(0, 0);
// Scrolls to the caret :)
textBox1.ScrollToCaret();

Tested and working on VS2010 c# Winforms, i dont know about WPF but google probably has the answer for you.