Makes an existing property the default value of an object.
DISP_DEFVALUE(theClass, pszName )
Name of the class.
External name of the property that represents the "value" of the object.
Using a default value can make programming your automation object simpler for Visual Basic applications.
The "default value" of your object is the property that is retrieved or set when a reference to an object does not specify a property or member function.