Das gibt es schon

Code:
Free
    If NOT *IN26;   //If *IN26 = *OFF

    If NOT (A=B);     //If A <> B

    If Not MyProcCall(Par1: Par2);  //If  MyProcCall(Par1: Par2) = *OFF 
    
    If Not (A=B) and Not (A < 0);
Birgitta