ArcGIS Pro SDK二次开发目录的刷新

protected override void OnClick()
        { 
            var commandId = FrameworkApplication.GetPlugInWrapper(@"esri_core_exitApplicationButton") as ICommand;
            if (commandId != null)
            {
                if (commandId.CanExecute(null))
                    commandId.Execute(null);
            }

            var commandId1 = FrameworkApplication.GetPlugInWrapper(@"esri_itemInfoRefreshButton") as ICommand;
            if (commandId1 != null)
            {
                if (commandId1.CanExecute(null))
                    commandId1.Execute(null);  /******** Not Executing ***********/
            }
        }

foreach (var itm in Project.Current.Items.OfType<FolderConnectionProjectItem>())
{
    ((ArcGIS.Desktop.Internal.Core.IItemInternal)itm).RefreshChildren();
}