How to determine a process “virtual size” (WinXP)?

Question

I have a program that needs a lot of memory, and it crashes as soon as the 2GB virtual address space is reached. Sysinternals process explorer displays this as \"virtual si

Answer 1

You query a performance counter.
There is a complete API for this in the win32 API, read about it here.
You can look at all the performance counters if you run a program called 'perfmon.exe'