compile exe - then open & write to exe read more

i have done this before lost my source here it goes

having 2 projects open

1 : project1 basic exe that contains 2 textbox , compile it leave it aside


2: on other project2 create open project1.exe then read data , write data to textbox1 and textbox2 then save it then open project1.exe to se results
:)

i want to se how you do it your way this is something fun to do as i done it before and i lost my code if i find il post but il wait for anybody to come forward with there method thanks.:):thumb::p:p:p