ARCGIS PRO SDK POINT层唯一值渲染按角度旋转

c+ 代码: 按Direction字段旋转，旋转样式为数学

        protected override async void OnClick()
        {
            var featLayer = MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>().First();
            await QueuedTask.Run(() =>
            {
                var render = featLayer.GetRenderer() as CIMSimpleRenderer;
                var cimVisualVariableInfoXY = new CIMVisualVariableInfo
                {
                    RandomMax = 360,
                    RandomMin = 0,
                    VisualVariableInfoType = VisualVariableInfoType.None
                };
                var cimExpressionInfoZ = new CIMExpressionInfo
                {
                    Title = "Custom",
                    ReturnType = ExpressionReturnType.Default,
                    Expression = "$feature.Direction"
                };
                var cimVisualVariableInfoZ = new CIMV