WorkflowEventArgs.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / RunTime / WorkflowEventArgs.cs / 1305376 / WorkflowEventArgs.cs

                            // **************************************************************************** 
// Copyright (C) Microsoft Corporation.  All rights reserved.
//

using System; 
using System.IO;
using System.Threading; 
using System.Diagnostics; 
using System.Globalization;
using System.Collections; 
using System.Collections.Generic;
using System.Collections.ObjectModel;

using System.Workflow.Runtime; 
using System.Workflow.ComponentModel;
using System.Workflow.Runtime.Hosting; 
 
namespace System.Workflow.Runtime
{ 

    public class WorkflowEventArgs : EventArgs
    {
        private WorkflowInstance _instance; 

        internal WorkflowEventArgs(WorkflowInstance instance) 
        { 
            _instance = instance;
        } 

        public WorkflowInstance WorkflowInstance
        {
            get 
            {
                return _instance; 
            } 
        }
    } 

    public class WorkflowCompletedEventArgs : WorkflowEventArgs
    {
        private Dictionary _outputParameters; 
        private Activity _originalWorkflowDefinition;
        private Activity _workflowDefinition; 
 
        internal WorkflowCompletedEventArgs(WorkflowInstance instance, Activity workflowDefinition)
            : base(instance) 
        {
            this._outputParameters = new Dictionary();
            this._originalWorkflowDefinition = workflowDefinition;
            this._workflowDefinition = null; 
        }
 
        public Dictionary OutputParameters 
        {
            get 
            {
                return this._outputParameters;
            }
        } 

        public Activity WorkflowDefinition 
        { 
            get
            { 
                if (this._workflowDefinition == null)
                {
                    using (new WorkflowDefinitionLock(this._originalWorkflowDefinition))
                    { 
                        if (this._workflowDefinition == null)
                        { 
                            // Clone the original definition after locking the 
                            // definition's [....] object which was passed in
                            // the constructor.  This is so that the host cannot 
                            // corrupt the shared definition
                            Activity tempDefinition = this._originalWorkflowDefinition.Clone();
                            Thread.MemoryBarrier();
                            this._workflowDefinition = tempDefinition; 
                        }
                    } 
                } 

                return this._workflowDefinition; 
            }
        }
    }
 
    public class WorkflowSuspendedEventArgs : WorkflowEventArgs
    { 
        private String _error; 

        internal WorkflowSuspendedEventArgs(WorkflowInstance instance, String error) 
            : base(instance)
        {
            this._error = error;
        } 

        public String Error 
        { 
            get
            { 
                return this._error;
            }
        }
    } 

    public class WorkflowTerminatedEventArgs : WorkflowEventArgs 
    { 
        private Exception exception;
 
        internal WorkflowTerminatedEventArgs(WorkflowInstance instance, String error)
            : base(instance)
        {
            this.exception = new WorkflowTerminatedException(error); 
        }
        internal WorkflowTerminatedEventArgs(WorkflowInstance instance, Exception e) 
            : base(instance) 
        {
            this.exception = e; 
        }

        public Exception Exception
        { 
            get
            { 
                return this.exception; 
            }
        } 
    }

    internal sealed class WorkflowDefinitionEventArgs : EventArgs
    { 
        private Type _workflowType;
        private byte[] _xomlHashCode; 
 
        internal WorkflowDefinitionEventArgs(Type scheduleType)
        { 
            _workflowType = scheduleType;
        }

        internal WorkflowDefinitionEventArgs(byte[] scheduleDefHash) 
        {
            _xomlHashCode = scheduleDefHash; 
        } 

        public Type WorkflowType 
        {
            get
            {
                return _workflowType; 
            }
        } 
 
        public byte[] WorkflowDefinitionHashCode
        { 
            get
            {
                return _xomlHashCode;
            } 
        }
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
                        

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