ArcGIS Pro二次开发获得符号库的符号

 1   string customStyleToAdd = @"F:\2020book\toolforpro\MyProject3\ed-fh.stylx";
 2             //AsyncMethod(customStyleToAdd);
 3 
 4 
 5             StyleProjectItem style = Project.Current.GetItems<StyleProjectItem>().First(x => x.Path == customStyleToAdd);
 6             IList<SymbolStyleItem> PolygonSymbol = null;
 7             Task ptask = QueuedTask.Run(() =>
 8                {
 9                    PolygonSymbol = style.SearchSymbols(StyleItemType.PolygonSymbol, "");
10                });
11             ptask.Wait();
12             foreach (SymbolStyleItem pSymbol in PolygonSymbol)
13             {
14                 MessageBox.Show(pSymbol.Name);
15 
16             }