multiple, on the fly output ports, compiled op

["kim aldis" <xsi(at)kim-aldis.co.uk>]

Given the following:

 

                PortGroup oOutputPortGroup = newOp.AddPortGroup( L"Output" );

                newOp.AddOutputPortByClassID( siPrimitiveID, L"Out", oOutputPortGroup.GetIndex() );                            // reserve output port

 

                PortGroup oOutputPortGroupPoints = newOp.AddPortGroup( L"PointCountsOut" );

                newOp.AddOutputPortByClassID( siParameterID, L"OutPoints", oOutputPortGroupPoints.GetIndex() );                               // reserve output port

 

 

and given below that oKA_UVGrid is another custom operator, why would the ConnectToGroup method connect the oKA_UVGrid property rather than the parameter I’ve asked it to connect. And why, subsequently when I’m in the update and get a Primitive on this port, can I not change the parameter that I should be seeing, even if I do try connecting the primitive rather than a parameter?

 

                CustomOperator prop = ctxt.GetSource();

                Parameter oUcount = oKA_UVGrid.GetParameter( L"Ucount" );

                LONG iInst;

                prop.ConnectToGroup( 1, oUcount, iInst );