IsChild

(Engine-Level Function)

Description:	Identify Child Module. This function returns an indication of whether one module is a child module of another.
Returns:	Boolean
Usage:	Script Only.
Function Groups:	Basic Module
Related to:
Format:	IsChild(Child, Parent)
Parameters:

Child

Required. Any expression that returns an object or module value.

Parent

Required. Any expression that returns an object or module value.

Comments:

This function returns true if Child is a descendant module of Parent, false if it isn't, and invalid if either, or both arguments are invalid or not module or object values.

Example:

  If ! Valid(IsMember);
  [
    IsMember = IsChild(ReadModule { Read module object value }, 
                       Driver { I/O driver module object value }); 
  ]

The variable isMember will be set to true if the object ReadModule is a child of (defined within) the object driver.