The Progress.Lang.ParameterList class contains several public properties and methods that allow you to manage parameter list objects. The following table describes the common methods and properties on the Progress.Lang.ParameterList class.

Table 1. Progress.Lang.ParameterList public properties and methods
Property or method Description 
PUBLIC NumParameters AS INTEGER
 A readable/writable property that identifies the number of parameters in a Progress.Lang.ParameterList object. 
METHOD PUBLIC LOGICAL Clear( )
 Releases all information in the Progress.Lang.ParameterList object and sets the number of parameters to zero. 
METHOD PUBLIC LOGICAL SetParameter
  ( position, data-type, iomode,
    parameter-value )
 Populates elements in the Progress.Lang.ParameterList object. For more information, see SetParameter( ) methodset (Class).

For more information about the Progress.Lang.ParameterList class and its public properties and methods, see ABL Reference. For more information on using the Invoke( ) method, see Dynamically invoke a method at run time. For more information on using the New( ) method, see New( ) method.