WWF 工作流学习笔记(三进街)

using System;using System.Collections.Generic;using System.Text;using System.ComponentModel.Design;using System.ComponentModel;using System.Drawing;using System.Windows.Forms;using System.Workflow.Activities;using System.Workflow.ComponentModel.Design;using System.Workflow.ComponentModel;

 

namespace WindowsApplication3{    public partial class Form1 : Form    {        private WorkflowView wlv;        private WorkflowViewWrapper workflowViewWrapper;        public Form1()        {            InitializeComponent();        }

        private void button1_Click(object sender, EventArgs e)        {            //这样是错误的           // wlv = new WorkflowView();           // this.panel1.Controls.Add(wlv);

            //这个是正确的            this.workflowViewWrapper=new WorkflowViewWrapper(this);            this.panel1.Controls.Add(this.workflowViewWrapper.workflowView);            this.workflowViewWrapper.LoadDefaulttWorkflow();        }    }

    public class WorkflowViewWrapper    {        private DesignSurface surface;        public WorkflowView workflowView;        private IDesignerHost host;        private SequentialWorkflowActivity sequentialWorkflow;

        public WorkflowViewWrapper(Form parent)        {             //Create a Workflow Design Surface            //创建设计时的环境以显示WorkflowView            this.surface = new DesignSurface();

            //Get the Workflow Designer Host            //获得管理设计器的接口对象            this.host=this.surface.GetService(typeof(IDesignerHost)) as IDesignerHost;            if(this.host==null)                return;                        //Create a Sequential Workflow by using the Workflow Designer Host            sequentialWorkflow=(SequentialWorkflowActivity)host.CreateComponent(typeof(SequentialWorkflowActivity));            //sequentialWorkflow.ID=\"SequentialWorkflow1\";                        //Create a Workflow view on the workflow Design surface             //指定的Surface显示WorkflowView            this.workflowView=new WorkflowView(this.surface as IServiceProvider);            this.workflowView.Dock=DockStyle.Fill;

            //Activate the Workflow view            this.host.Activate();        }

        public void LoadDefaulttWorkflow()        {            //Create a code activity            CodeActivity CodeActivity1= new CodeActivity();            sequentialWorkflow.Activities.Add(CodeActivity1);            host.RootComponent.Site.Container.Add(CodeActivity1);        }

    }   }

[img]https://p-blog.csdn.net/images/p_blog_csdn_net/Eroschina/20060627.gif[/img]

转载于:https://www.cnblogs.com/jiangwei2099/archive/2007/04/16/715955.html

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