import std.c.windows.windows; 

const TOKEN_ASSIGN_PRIMARY    = 0x0001;
const TOKEN_DUPLICATE         = 0x0002;
const TOKEN_IMPERSONATE       = 0x0004;
const TOKEN_QUERY             = 0x0008;
const TOKEN_QUERY_SOURCE      = 0x0010;
const TOKEN_ADJUST_PRIVILEGES = 0x0020;
const TOKEN_ADJUST_GROUPS     = 0x0040;
const TOKEN_ADJUST_DEFAULT    = 0x0080;
const TOKEN_ALL_ACCESS = STANDARD_RIGHTS_REQUIRED |
                         TOKEN_ASSIGN_PRIMARY     |
                         TOKEN_DUPLICATE          |
                         TOKEN_IMPERSONATE        |
                         TOKEN_QUERY              |
                         TOKEN_QUERY_SOURCE       |
                         TOKEN_ADJUST_PRIVILEGES  |
                         TOKEN_ADJUST_GROUPS      |
                         TOKEN_ADJUST_DEFAULT;
const TOKEN_READ       = STANDARD_RIGHTS_READ     | TOKEN_QUERY;
const TOKEN_WRITE      = STANDARD_RIGHTS_WRITE    |
                         TOKEN_ADJUST_PRIVILEGES  |
                         TOKEN_ADJUST_GROUPS      |
                         TOKEN_ADJUST_DEFAULT;
const TOKEN_EXECUTE = STANDARD_RIGHTS_EXECUTE;
const TOKEN_SOURCE_LENGTH = 8;

struct STARTUPINFOA {
    DWORD  cb = STARTUPINFOA.sizeof;
    LPSTR  lpReserved;
    LPSTR  lpDesktop;
    LPSTR  lpTitle;
    DWORD  dwX;
    DWORD  dwY;
    DWORD  dwXSize;
    DWORD  dwYSize;
    DWORD  dwXCountChars;
    DWORD  dwYCountChars;
    DWORD  dwFillAttribute;
    DWORD  dwFlags;
    WORD   wShowWindow;
    WORD   cbReserved2;
    PBYTE  lpReserved2;
    HANDLE hStdInput;
    HANDLE hStdOutput;
    HANDLE hStdError;
}
alias STARTUPINFOA* LPSTARTUPINFOA;

struct PROCESS_INFORMATION {
    HANDLE hProcess;
    HANDLE hThread;
    DWORD dwProcessId;
    DWORD dwThreadId;
}
alias PROCESS_INFORMATION* PPROCESS_INFORMATION, LPPROCESS_INFORMATION;

extern (Windows)
{
    BOOL /*WINAPI*/ CreateProcessAsUserA(
      HANDLE hToken,
      LPCTSTR lpApplicationName,
      LPTSTR lpCommandLine,
      LPSECURITY_ATTRIBUTES lpProcessAttributes,
      LPSECURITY_ATTRIBUTES lpThreadAttributes,
      BOOL bInheritHandles,
      DWORD dwCreationFlags,
      LPVOID lpEnvironment,
      LPCTSTR lpCurrentDirectory,
      LPSTARTUPINFOA lpStartupInfo,
      LPPROCESS_INFORMATION lpProcessInformation
    );
}

        
// is 'program.exe'
LPCTSTR lpApplicationName = .toStringz(pathName.dup);
// is '-f oneopt -g twoopt -h threeopt' 
LPCTSTR lpCommandLine = .toStringz(args.dup); 
LPSECURITY_ATTRIBUTES lpProcessAttributes = null; 
LPSECURITY_ATTRIBUTES lpThreadAttributes = null;
BOOL bInheritHandles = 0; 
DWORD dwCreationFlags = 0; 
LPVOID lpEnvironment = null; 
// is 'C:\programdir\' 
LPCTSTR lpCurrentDirectory = .toStringz(globals.programDir.dup); 
LPSTARTUPINFOA lpStartupInfo = null; 
LPPROCESS_INFORMATION lpProcessInformation = null;

msgBox(pathName);

try
{

CreateProcessAsUserA(
    cast(HANDLE) /*TOKEN_ALL_ACCESS*/(TOKEN_READ|TOKEN_WRITE|TOKEN_EXECUTE),
    lpApplicationName, 
    .toStringz(""), 
    lpProcessAttributes, 
    lpThreadAttributes, 
    bInheritHandles, 
    dwCreationFlags, 
    lpEnvironment,
    lpCurrentDirectory,
    lpStartupInfo,
    lpProcessInformation
    );

} 
catch (Exception e)
{
    msgBox(e.toString, "This box shows up", MsgBoxButtons.OK, MsgBoxIcon.INFORMATION); 
}