public InstanceData( Element instance )
{
Instance = instance;
ParameterMap m = Instance.ParametersMap;
Parameter p = m.get_Item( "Param1" );
Param1 = ( p == null ) ? string.Empty : p.AsString();
p = m.get_Item( "Param2" );
Param2 = ( p == null ) ? false : ( 0 != p.AsInteger() );
p = m.get_Item( "Param3" );
Param3 = ( p == null ) ? 0 : p.AsInteger();
}