Send text from a text box to another program's text box?

Question

Hello, I'm totally new in C# , I want to know in easy way and with examples how I can send text from my program (text box) to another program's text box

an example: sending text to yahoo messenger or MSN messenger or any open window with a text box

any easy way to do that (or any easy way to understand how to do that)

thanks :-)

Answer 1

hi deena 
i hope this link help you to write and read text 

http://www.aspdotnet-suresh.com/2010/12/how-to-read-and-write-text-file-using.html

Answer 2

Thank you sir.. i used Append keyword for updating values in the same file.. 
Thanks a lots..