First
(read only)
Sets first element in the active class to be the active DSS object. If object is a CktElement, ActiveCktELment also points to this element. Returns 0 if none.
Example
% Create DSS object
DSSObject = actxserver('OpenDSSEngine.DSS')
if ~DSSObject.Start(0),
disp('Unable to start openDSS');
return
end;
DSSText = DSSObject.Text;
DSSCircuit = DSSObject.ActiveCircuit;
% Compile a model
DSSText.Command = 'Compile C:\myPath\myModel.dss';
DSSActiveClass = DSSCircuit.ActiveClass;
% Sets class "load" as the active class
DSSCircuit.SetActiveClass("load")
myidx = DSSActiveClass.First;