Sending data from one application to another application file

Mar 11 2011 5:10 AM

Hi,
I am developing an application from where i have to send data to another application which is made by Magtek for encoding data in swipe card. I want to know is it possible to send the data to an exe which is already exist, that exe is having few textbox don't know the name of the textbox as well. Or is there any other so that i can send data to that exe file. Please help!!!!!!!!!! :)