DataServiceContext.BeginGetReadStream Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Overloads
| BeginGetReadStream(Object, DataServiceRequestArgs, AsyncCallback, Object) |
Asynchronously gets the binary data stream that belongs to the specified entity, by using the specified message headers. |
| BeginGetReadStream(Object, String, DataServiceRequestArgs, AsyncCallback, Object) |
Asynchronously gets a named binary data stream that belongs to the specified entity, by using the specified message headers. |
BeginGetReadStream(Object, DataServiceRequestArgs, AsyncCallback, Object)
Asynchronously gets the binary data stream that belongs to the specified entity, by using the specified message headers.
public virtual IAsyncResult BeginGetReadStream (object entity, Microsoft.OData.Client.DataServiceRequestArgs args, AsyncCallback callback, object state);abstract member BeginGetReadStream : obj * Microsoft.OData.Client.DataServiceRequestArgs * AsyncCallback * obj -> IAsyncResult
override this.BeginGetReadStream : obj * Microsoft.OData.Client.DataServiceRequestArgs * AsyncCallback * obj -> IAsyncResultPublic Overridable Function BeginGetReadStream (entity As Object, args As DataServiceRequestArgs, callback As AsyncCallback, state As Object) As IAsyncResultParameters
- entity
- Object
The entity that has a the binary data stream to retrieve.
Instance of the DataServiceRequestArgs class that contains settings for the HTTP request message.
- callback
- AsyncCallback
Delegate to invoke when results are available for client consumption.
- state
- Object
User-defined state object passed to the callback.
Returns
An IAsyncResult object that is used to track the status of the asynchronous operation.
Exceptions
Any of the parameters supplied to the method is null.
The entity is not tracked by this DataServiceContext.-or-The entity is in the Added state.-or-The entity is not a Media Link Entry and does not have a related binary data stream.
Applies to
BeginGetReadStream(Object, String, DataServiceRequestArgs, AsyncCallback, Object)
Asynchronously gets a named binary data stream that belongs to the specified entity, by using the specified message headers.
public virtual IAsyncResult BeginGetReadStream (object entity, string name, Microsoft.OData.Client.DataServiceRequestArgs args, AsyncCallback callback, object state);abstract member BeginGetReadStream : obj * string * Microsoft.OData.Client.DataServiceRequestArgs * AsyncCallback * obj -> IAsyncResult
override this.BeginGetReadStream : obj * string * Microsoft.OData.Client.DataServiceRequestArgs * AsyncCallback * obj -> IAsyncResultPublic Overridable Function BeginGetReadStream (entity As Object, name As String, args As DataServiceRequestArgs, callback As AsyncCallback, state As Object) As IAsyncResultParameters
- entity
- Object
The entity that has the binary data stream to retrieve.
- name
- String
The name of the binary stream to request.
Instance of the DataServiceRequestArgs class that contains settings for the HTTP request message.
- callback
- AsyncCallback
Delegate to invoke when results are available for client consumption.
- state
- Object
User-defined state object passed to the callback.
Returns
An IAsyncResult object that is used to track the status of the asynchronous operation.