is_valid_from_resource

Description:

public bool is_valid_from_resource (string? resource) throws Error

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

if xml_data 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
resource

the name of a resource containing an XML specification data (see ServerOperation) or null

Returns:

true if this is valid