PVALID PVALID Validate Property Name

Usage

This function checks to see if the given string is a valid
property name for an object of the given type.  The syntax
for its use is

  b = pvalid(type,propertyname)

where string is a string that contains the name of a 
 valid graphics object type, and
propertyname is a string that contains the name of the
property to test for.