Establish the session with options specified.

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

Syntax

Visual Basic (Declaration) 
Public 
Function 
BeginEstablish ( _
	
options 
As 

SignalingSessionEstablishOptions, _
	
userCallback 
As 
AsyncCallback, _
	
state 
As 
Object _
) 
As 
IAsyncResult
C# 
public 
IAsyncResult 
BeginEstablish(
	

SignalingSessionEstablishOptions 
options,
	
AsyncCallback 
userCallback,
	
Object 
state
)
Visual C++ 
public:
IAsyncResult^ 
BeginEstablish(
	

SignalingSessionEstablishOptions^ 
options, 
	
AsyncCallback^ 
userCallback, 
	
Object^ 
state
)
JavaScript 
function 
beginEstablish(
options, 
userCallback, 
state);

Parameters

options
Type: Microsoft.Rtc.Signaling . . :: . SignalingSessionEstablishOptions
Optional parameters to customize the establish behavior.
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.

Exceptions

Exception Condition
InvalidOperationException Thrown when the state of the session does not allow the operation.
ArgumentException Thrown when the optionsparameter contains invalid or restricted signaling headers.

See Also