ArcGIS Pro二次开发-获得符号类别

 var styles = Project.Current.GetItems<StyleProjectItem>();
            foreach (StyleProjectItem pitem in styles)
            {
                MessageBox.Show(pitem.Name + ":" + pitem.ID + ":" + pitem.PhysicalPath);
            }

ArcGIS 2D
ArcGIS 3D
ArcGIS 颜色
ColorBrewer 方案(RGB)