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ProgressChangedEventArgs Class

.NET Framework 4

Provides data for the ProgressChanged event.

System.Object
  System.EventArgs
    System.ComponentModel.ProgressChangedEventArgs
      System.Deployment.Application.DeploymentProgressChangedEventArgs
      System.Deployment.Application.DownloadProgressChangedEventArgs
      System.Net.DownloadProgressChangedEventArgs
      System.Net.PeerToPeer.ResolveProgressChangedEventArgs
      System.Net.UploadProgressChangedEventArgs
      System.ServiceModel.Discovery.FindProgressChangedEventArgs
      System.Windows.Documents.Serialization.WritingProgressChangedEventArgs
      System.Windows.Xps.Serialization.XpsSerializationProgressChangedEventArgs

Namespace:  System.ComponentModel
Assembly:  System (in System.dll)
C#
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[HostProtectionAttribute(SecurityAction.LinkDemand, SharedState = true)]
public class ProgressChangedEventArgs : EventArgs

The ProgressChangedEventArgs type exposes the following members.

  Name Description
Public method Supported by Portable Class Library ProgressChangedEventArgs Initializes a new instance of the ProgressChangedEventArgs class.
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  Name Description
Public property Supported by Portable Class Library ProgressPercentage Gets the asynchronous task progress percentage.
Public property Supported by Portable Class Library UserState Gets a unique user state.
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  Name Description
Public method Supported by Portable Class Library Equals(Object) Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected method Supported by Portable Class Library Finalize Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public method Supported by Portable Class Library GetHashCode Serves as a hash function for a particular type. (Inherited from Object.)
Public method Supported by Portable Class Library GetType Gets the Type of the current instance. (Inherited from Object.)
Protected method Supported by Portable Class Library MemberwiseClone Creates a shallow copy of the current Object. (Inherited from Object.)
Public method Supported by Portable Class Library ToString Returns a string that represents the current object. (Inherited from Object.)
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Note Note

The HostProtectionAttribute attribute applied to this type or member has the following Resources property value: SharedState. The HostProtectionAttribute does not affect desktop applications (which are typically started by double-clicking an icon, typing a command, or entering a URL in a browser). For more information, see the HostProtectionAttribute class or SQL Server Programming and Host Protection Attributes.

The following code example shows how to use the ProgressChangedEventArgs class. This example is part of a larger example for the BackgroundWorker class.

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// This event handler updates the progress bar.
private void backgroundWorker1_ProgressChanged(object sender,
    ProgressChangedEventArgs e)
{
    this.progressBar1.Value = e.ProgressPercentage;
}

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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