Starts an asynchronous Register operation for the current endpoint.

Namespace:  Microsoft.Rtc.Signaling
Assembly:  Microsoft.Rtc.Collaboration(in Microsoft.Rtc.Collaboration.dll)

Syntax

Visual Basic (Declaration)
Public 
Function 
BeginRegister ( _
	
signalingHeaders 
As 
IEnumerable(
Of 

SignalingHeader), _
	
userCallback 
As 
AsyncCallback, _
	
state 
As 
Object _
) 
As 
IAsyncResult
C#
public 
IAsyncResult 
BeginRegister(
	
IEnumerable<

SignalingHeader> 
signalingHeaders,
	
AsyncCallback 
userCallback,
	
Object 
state
)
Visual C++
public:
IAsyncResult^ 
BeginRegister(
	
IEnumerable<

SignalingHeader^>^ 
signalingHeaders, 
	
AsyncCallback^ 
userCallback, 
	
Object^ 
state
)
JavaScript
function 
beginRegister(
signalingHeaders, 
userCallback, 
state);

Parameters

signalingHeaders
Type: IEnumerable < (Of < ( SignalingHeader > ) > )
Collection of signaling headers to be included with Register request.
userCallback
Type: AsyncCallback
The method to be called when the asynchronous operation is completed.
state
Type: Object
A user-provided object that distinguishes this particular asynchronous operation from other asynchronous operations.

Return Value

An IAsyncResult that references the asynchronous operation.

Return Value

An IAsyncResult that references the asynchronous operation.

Exceptions

Exception Condition
InvalidOperationException Thrown when the method was not called in the Unregistered state, or the endpoint is terminated.
Microsoft.Rtc.Signaling . . :: . RegisterException Thrown when the registration failed.
Microsoft.Rtc.Signaling . . :: . AuthenticationException Thrown when a general authentication-related problem occurred.
ArgumentException Thrown when one of the header in headers parameters is a restricted header.

See Also