TaskCanceledException.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 / clr / src / BCL / System / Threading / Tasks / TaskCanceledException.cs / 1305376 / TaskCanceledException.cs

                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
// =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
// 
// TaskCanceledException.cs 
//
// [....] 
//
// An exception for task cancellations.
//
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- 

using System; 
using System.Runtime.InteropServices; 
using System.Runtime.Serialization;
 
namespace System.Threading.Tasks
{

    ///  
    /// Represents an exception used to communicate task cancellation.
    ///  
    [Serializable] 
    public class TaskCanceledException : OperationCanceledException
    { 

        [NonSerialized]
        private Task m_canceledTask; // The task which has been canceled.
 
        /// 
        /// Initializes a new instance of the  class. 
        ///  
        public TaskCanceledException() : base(Environment.GetResourceString("TaskCanceledException_ctor_DefaultMessage"))
        { 
        }

        /// 
        /// Initializes a new instance of the  
        /// class with a specified error message.
        ///  
        /// The error message that explains the reason for the exception. 
        public TaskCanceledException(string message) : base(message)
        { 
        }

        /// 
        /// Initializes a new instance of the  
        /// class with a specified error message and a reference to the inner exception that is the cause of
        /// this exception. 
        ///  
        /// The error message that explains the reason for the exception.
        /// The exception that is the cause of the current exception. 
        public TaskCanceledException(string message, Exception innerException) : base(message, innerException)
        {
        }
 
        /// 
        /// Initializes a new instance of the  class 
        /// with a reference to the  that has been canceled. 
        /// 
        /// A task that has been canceled. 
        public TaskCanceledException(Task task) :
            base(Environment.GetResourceString("TaskCanceledException_ctor_DefaultMessage"), task!=null ? task.CancellationToken:new CancellationToken())
        {
            m_canceledTask = task; 
        }
 
        ///  
        /// Initializes a new instance of the 
        /// class with serialized data. 
        /// 
        /// The  that holds the serialized object data about the exception being thrown.
        /// The  that contains contextual information about the source or destination. 
        protected TaskCanceledException(SerializationInfo info, StreamingContext context) : base(info, context) 
        {
        } 
 
        /// 
        /// Gets the task associated with this exception. 
        /// 
        /// 
        /// It is permissible for no Task to be associated with a
        /// , in which case 
        /// this property will return null.
        ///  
        public Task Task 
        {
            get { return m_canceledTask; } 
        }

    }
 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

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