Begins an asynchronous operation to add a
contact.
Namespace:
Microsoft.Rtc.Collaboration.ContactsGroups
Assembly:
Microsoft.Rtc.Collaboration(in
Microsoft.Rtc.Collaboration.dll)
Syntax
Visual Basic (Declaration) |
Public
Function
BeginAddContact ( _
contactUri
As
String, _
userCallback
As
AsyncCallback, _
state
As
Object _
)
As
IAsyncResult
|
C# |
public
IAsyncResult
BeginAddContact(
string
contactUri,
AsyncCallback
userCallback,
Object
state
)
|
Visual C++ |
public:
IAsyncResult^
BeginAddContact(
String^
contactUri,
AsyncCallback^
userCallback,
Object^
state
)
|
JavaScript |
function
beginAddContact(
contactUri,
userCallback,
state);
|
Parameters
-
contactUri
- Type:
String
URI of the contact being added.
-
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 subscription state is not idle or
subscribed. |
ArgumentException
|
Thrown when
contactUriis an invalid sip
URI. |
See Also