is_valid

Description:

[ Version ( since = "6.0" ) ]
public bool is_valid (string? xml_file) throws Error

Tells if all the required values in this have been defined.

if xml_file is not null, the validity of this is tested against that specification, and not against the current this's specification.

Parameters:

this

a ServerOperation widget
xml_file

an XML specification file (see ServerOperation ) or null

Returns:

true if this is valid