ContactGroupServices.BeginUpdateGroup Method
Begins an asynchronous operation to update the information for a specified group.
Namespace: Microsoft.Rtc.Collaboration.ContactsGroups
Assembly: Microsoft.Rtc.Collaboration (in Microsoft.Rtc.Collaboration.dll)
Syntax
'Declaration
Public Function BeginUpdateGroup ( _
group As Group, _
userCallback As AsyncCallback, _
state As Object _
) As IAsyncResult
'Usage
Dim instance As ContactGroupServices
Dim group As Group
Dim userCallback As AsyncCallback
Dim state As Object
Dim returnValue As IAsyncResult
returnValue = instance.BeginUpdateGroup(group, _
userCallback, state)
public IAsyncResult BeginUpdateGroup(
Group group,
AsyncCallback userCallback,
Object state
)
Parameters
- group
Type: Microsoft.Rtc.Collaboration.ContactsGroups.Group
Group to be updated.
- userCallback
Type: System.AsyncCallback
The method to be called when the asynchronous operation is completed.
- state
Type: System.Object
A user-provided object that distinguishes this particular asynchronous operation from other asynchronous operations.
Return Value
Type: System.IAsyncResult
An IAsyncResult that references the asynchronous operation.
Exceptions
Exception | Condition |
---|---|
ArgumentNullException | Thrown when group is null. |
InvalidOperationException | Thrown when the subscription state is not idle or subscribed. |