How to toggling UAC on/off quickly, eg. using command line, in Windows-7?

I'm writing codes which relates to UAC and need to turn it on/off very often.

So that I'm looking for a way to turning it on/off quickly, prefer to use command line.

Please share if you know how to.

ps.

It would be lovely if the solution does NOT require to reboot.

Solution 1:

Run the following commands with Administrator privileges:

• Disable UAC

  %windir%\System32\cmd.exe /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
  

• Enable UAC

  %windir%\System32\cmd.exe /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 1 /f
  

Solution 2:

Ready for me to blow your minds with a hidden "feature"...

To disable UAC for all subsiquent commands in the same session--i.e. if you close the particular script or CMD sessions it resets and you just have to set it again to disable temporarily:

SET __COMPAT_LAYER=WINXPSP3