An odd thing about Vista+ O/S's is that, once you run a process in elevated privileges mode, you can't run other processes in lower-privileged modes.
Why, you ask, would that be important?
Sometimes you want - or need - to limit the privileges of a process:
- A very common scenario for me is drag-and-drop.
Windows' Explorer does NOT allow this to occur between lower privileged processes (like Explorer itself!) and other processes. This is very frustrating for users in programs that take advantage of that.
- There's also some problems using certain SendMessage commands from other unelevated processes.
- Setting the state or properties of windows that have an elevated privilege may not work either from other unelevated processes..
- An install or setup program that needs to launch the installed program will more often than not want to run that program on a lower privilege level (for some of the reasons mentioned above)
'Creating a process with Medium Integration Level from the process with High Integration Level in Vista'
The usage is straightforward for this one: use it like Run/RunWait, but with the command-line as the 2nd parameter. [i.e. _RunWithReducedPrivileges(@ComSpec,' /k title Non-Admin prompt') ]
Anyway, hope this helps someone out!
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While I provide this source code freely, if you do use the code in your projects, all I ask is that:
- If you provide source, keep the header as I have put it, OR, if you expand it, then at least acknowledge me as the original author, and any other authors I credit
- If the program is released, acknowledge me in your credits (it doesn't have to state which functions came from me, though again if the source is provided - see #1)
- The source on it's own (as opposed to part of a project) can not be posted unless a link to the page(s) where the code were retrieved from is provided and a message stating that the latest updates will be available on the page(s) linked to.
- Pieces of the code can however be discussed on the threads where Ascend4nt has posted the code without worrying about further linking.
Edited by Ascend4nt, 14 September 2011 - 11:39 AM.