IAsyncResult.AsyncState Property
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Gets a user-defined object that qualifies or contains information about an asynchronous operation.
Namespace: System
Assembly: mscorlib (in mscorlib.dll)
Syntax
'Declaration
ReadOnly Property AsyncState As Object
Object AsyncState { get; }
Property Value
Type: System.Object
A user-defined object that qualifies or contains information about an asynchronous operation.
Remarks
This property returns the object that is the last parameter of the method that initiates an asynchronous operation.
Notes to Implementers
Implement this property to allow the caller of an asynchronous operation to obtain an application-defined object that is specified at the start of the operation.
Notes to Callers
This object can be used to pass state information for the asynchronous operation to an AsyncCallback that you provide.
Version Information
Silverlight
Supported in: 5, 4, 3
Silverlight for Windows Phone
Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0
XNA Framework
Supported in: Xbox 360, Windows Phone OS 7.0
Platforms
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.