Gets the user-provided state object supplied at the time the asynchronous operation was started.
The supplied object.
Operation
The object returned by this property is required to be the object specified as the last parameter to methods that begin asynchronous operations, such as System.IO.FileStream.BeginRead(Byte[], int, int, AsyncCallback, object).
This property is read-only.
Note to Inheritors
Implement this property to allow the caller of an asynchronous operation to obtain an application-defined object specified at the start of the operation.Usage
The object returned by this property can be used to pass state information for the asynchronous operation to a AsyncCallback delegate.
Namespace: System
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0