Batch: UAC Prompt

I just put the finishing touches on this.
I think it might be the shortest way to do it.

This solution depends on PowerShell existing on the computer.

The basic flow is cmd.exe is started to start powershell.exe (this has the effect of hiding the powershell's blue window), and finally powershell executes the command to run the current script with admin privileges.

Any argument you supply to the script will also be forwarded to the restarted script.

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    @echo off

    :CheckPermissions
        fltmc >nul 2>&1 || (
            echo Requesting administrative privileges...
            start cmd /c powershell.exe -Command "Start-Process cmd -Verb runas -ArgumentList '/c \"\"%~s0\"\" %*'"
            exit /B
        )

    :Work
        echo Do some admin things here.
        pause

Here's a longer version for testing purposes:

    @echo off

    :CheckPermissions
        fltmc >nul 2>&1 || (
            echo Requesting administrative privileges...
            start cmd /c powershell.exe -Command "Start-Process cmd -Verb runas -ArgumentList '/c \"\"%~s0\"\" %*'"
            exit /B
        )

    :Test
        echo Script Path: "%~s0"
        echo Script Parameters (blank if you don't supply any): %*
        echo.

        fltmc >nul 2>&1 && (
            echo Admin powers activated!
        ) || (
            echo Need Admin!
        )
        echo.
        pause