Methods Implementation

ARG Returns a pointer to a method argument.
BEGIN_METHOD Begins the implementation of a method that takes at least one argument.
BEGIN_METHOD_VOID Begins the implementation of a method that takes no argument.
END_METHOD Ends the implementation of a method.
GB.NParam Returns the number of variable arguments of a method.
LENGTH Returns the length of a string method argument.
MISSING Returns if an optional argument has a value.
STRING Returns the address of a string method argument.
VARG Returns the value of a method argument.
VARGOPT Returns the value of an optional method argument.