public bool ConnectToSW(object ThisSW, int cookie) { iSwApp = (ISldWorks)ThisSW; addinID = cookie; //Setup callbacks iSwApp.SetAddinCallbackInfo(0, this, addinID); iSwApp.AddFileSaveAsItem2(cookie, "ExportToJSON", "Three.JS JSON Format", "json", (int)swDocumentTypes_e.swDocASSEMBLY); iSwApp.AddFileSaveAsItem2(cookie, "ExportToJSON", "Three.JS JSON Format", "json", (int)swDocumentTypes_e.swDocPART); return(true); }