C# get data from another standalone application?

Question

How will I let my c# program to get data from another application?

assume that application is, for example , "Yahoo Messenger" and someone say to you "hi there" on the chatbox...

Now, I want my c# program to read / get that data or information from "Yahoo Messenger chat box" in print it on my application? is it possible?

Answer 1

You will need to use visual studio tool name SPY++ for understanding the flow of win32 api.

After that refer to these link

Get text from another application.

http://www.dreamincode.net/forums/topic/66140-scraping-the-text-from-another-application-with-win32-api/

After implementing some part of the code , please repost more specific question related to programming