App层插件，如何调用提交(Submit)操作，ISubmit.Submit()

using   Kingdee.BOS.Contracts;

using   Kingdee.BOS.Core.DynamicForm.PlugIn;

using   Kingdee.BOS.Core.DynamicForm.PlugIn.Args;

using   Kingdee.BOS.Core.Metadata;

using   System;

using   System.Collections.Generic;

using   System.Linq;

using   System.Text;

using   System.Threading.Tasks;

namespace MyOperaionServicePlugIn

{

    public class Class2 : AbstractOperationServicePlugIn

    {

        public override void BeforeExecuteOperationTransaction(

BeforeExecuteOperationTransaction e)

        {

            //例如：提交id为10001的物料数据

            //获取提交服务

            ISubmitService submitService =   Kingdee.BOS.App.ServiceHelper.GetService<ISubmitService>();

            //获取元数据服务

            IMetaDataService metadataService =   Kingdee.BOS.App.ServiceHelper.GetService<IMetaDataService>();

            //获取物料元数据

            FormMetadata materialMetadata   = metadataService.Load(this.Context, "BD_Material") as FormMetadata;

            //执行提交服务

            submitService.Submit(

                this.Context,

                  materialMetadata.BusinessInfo,

                new object[] { 10001 },

                "Submit");

        }

    }

}