execmse3

function execmse3(

  const commandline: msestring;

  topipe: pinteger = Nil;

  frompipe: pinteger = Nil;

  errorpipe: pinteger = Nil;

  groupid: Integer = - 1;

  const options: execoptionsty = [];

  frompipewritehandle: pinteger = Nil;

  errorpipewritehandle: pinteger = Nil;

  const workingdirectory: filenamety = '';

  const params: msestringarty = Nil;

  const envvars: msestringarty = Nil

):prochandlety;