public IAttributeDefObject(IAttributeDef IAttributeDefinstance)
 {
     IAttributeDefInstance = IAttributeDefinstance;
 }
        /// <summary>
        /// Static method to define SolidWorks attributes required by StoreModel ojbects
        /// Must be called when the addin is loaded
        /// </summary>
        /// <param name="app">The solidworks app</param>
        public static void DefineAttributes(SldWorks app)
        {
            stringDataAttribute = app.DefineAttribute("gism_stringAttr");
            stringDataAttribute.AddParameter("name", (int)swParamType_e.swParamTypeString, 0, 0);
            stringDataAttribute.AddParameter("value", (int)swParamType_e.swParamTypeString, 0, 0);
            stringDataAttribute.Register();

            doubleDataAttribute = app.DefineAttribute("gsim_doubleAttr");
            doubleDataAttribute.AddParameter("name", (int)swParamType_e.swParamTypeString, 0, 0);
            doubleDataAttribute.AddParameter("value", (int)swParamType_e.swParamTypeDouble, 0, 0);
            doubleDataAttribute.Register();
        }