The System::NamedParm class represents a named parameter that can be assigned as an argument to one of the AutoCmd descendants (PropertyGet, PropertySet, Procedure, or Function). 

System::NamedParm overloads the constructor to let you assign a variety of types as the value of the parameter. It also defines methods for retrieving the name, value, or type of the parameter. 

System::PropertyGet 

System::Function 

System::Procedure 

System::PropertySet 

System::AutoCmd