BeginEstablish Method (ToastMessage, CallEstablishOptions, AsyncCallback, Object)
Establishes the session asynchronously.
Namespace: Microsoft.Rtc.Collaboration
Assembly: Microsoft.Rtc.Collaboration (in Microsoft.Rtc.Collaboration.dll)
Syntax
'Declaration
Public Function BeginEstablish ( _
toastMessage As ToastMessage, _
options As CallEstablishOptions, _
userCallback As AsyncCallback, _
state As Object _
) As IAsyncResult
'Usage
Dim instance As InstantMessagingCall
Dim toastMessage As ToastMessage
Dim options As CallEstablishOptions
Dim userCallback As AsyncCallback
Dim state As Object
Dim returnValue As IAsyncResult
returnValue = instance.BeginEstablish(toastMessage, _
options, userCallback, state)
public IAsyncResult BeginEstablish(
ToastMessage toastMessage,
CallEstablishOptions options,
AsyncCallback userCallback,
Object state
)
Parameters
- toastMessage
Type: Microsoft.Rtc.Collaboration..::..ToastMessage
- options
Type: Microsoft.Rtc.Collaboration..::..CallEstablishOptions
- userCallback
Type: System..::..AsyncCallback
- state
Type: System..::..Object
Return Value
Type: System..::..IAsyncResult