dlang-isuseranadmin

https://stackoverflow.com/questions/29939648/windows-8-1-isuseranadmin-returns-false-even-though-uac-is-off-and-the-user-a
https://docs.microsoft.com/en-us/windows/win32/api/shlobj_core/nf-shlobj_core-isuseranadmin?redirectedfrom=MSDN
https://forum.dlang.org/post/kbg1r4$1ae3$1@digitalmars.com

import core.stdc.stdio;
import core.sys.windows.windows;

extern (Windows) BOOL IsUserAnAdmin();

int main(string[] args) {
        return IsUserAnAdmin();
}

dmd test2.d shell32.lib

@ECHO OFF
cd %~dp0
test2.exe
echo %ERRORLEVEL%
ECHO 0 if not admin
ECHO 1 if admin

pause

SHELLEXEC win32 https://forum.dlang.org/post/doaosqbvxavboozyihzb@forum.dlang.org