Check if an executable exists in the Windows path

Question

If I run a process with ShellExecute (or in .net with System.Diagnostics.Process.Start()) the filename process to start doesn\'t need to be a full

Answer 1

Accepted answer states that there is nothing build-in, but this is not true. There is a standard WinAPI PathFindOnPath for doing this, it is available since Windows 2000.

Answer 2

I'm after the same thing and I think the best option that I have right now is to use native call to CreateProcess to create a process suspended and watch for success; terminating the process immediately afterward. Terminating a suspended process should not incur any resource bleeding [citation needed :)]

I may not be able to figure out the path that actually got used but for a simple requirement as ExistsOnPath() it should do - till there's a better solution.