Nemerle.VisualStudio.Project.NemerleProjectNode.AddComponent C# (CSharp) Method

        public override int AddComponent(VSADDCOMPOPERATION dwAddCompOperation, uint cComponents, System.IntPtr[] rgpcsdComponents, System.IntPtr hwndDialog, VSADDCOMPRESULT[] pResult)
        {
            //initalize the out parameter
            pResult[0] = VSADDCOMPRESULT.ADDCOMPRESULT_Success;

            var selectedNodes = GetSelectedNodes();

            IReferenceContainer references = selectedNodes.Count == 1 && selectedNodes[0] is NemerleMacroReferenceContainerNode
                                                                                ? GetMacroReferenceContainer()
                                                                                : GetReferenceContainer();

            if (null == references)
            {
                // This project does not support references or the reference container was not created.
                // In both cases this operation is not supported.
                return VSConstants.E_NOTIMPL;
            }
            for (int cCount = 0; cCount < cComponents; cCount++)
            {
                VSCOMPONENTSELECTORDATA selectorData = new VSCOMPONENTSELECTORDATA();
                IntPtr ptr = rgpcsdComponents[cCount];
                selectorData = (VSCOMPONENTSELECTORDATA)Marshal.PtrToStructure(ptr, typeof(VSCOMPONENTSELECTORDATA));
                if (null == references.AddReferenceFromSelectorData(selectorData))
                {
                    //Skip further proccessing since a reference has to be added
                    pResult[0] = VSADDCOMPRESULT.ADDCOMPRESULT_Failure;
                    return VSConstants.S_OK;
                }
            }
            return VSConstants.S_OK;
        }