Read variables and methods of another program in memory

[chenani]

hello
i want to write a program that can access to variables and methods of another program. I ques for access to variables need to read memory, but about methods?how i can use methods and call them?
thank you.

[Santosh Reddy]

For that you need to know the methods symbols to call them, try reading somthing about dynamic libs / shared lib, they do the similar thing.