LocalOwnerPresence.BeginDeletePresence Method (ICollection<PresenceCategory>, AsyncCallback, Object)
Begins an asynchronous operation to delete the given list of categories.
Namespace: Microsoft.Rtc.Collaboration.Presence
Assembly: Microsoft.Rtc.Collaboration (in Microsoft.Rtc.Collaboration.dll)
Syntax
'Declaration
Public Function BeginDeletePresence ( _
categoryItems As ICollection(Of PresenceCategory), _
userCallback As AsyncCallback, _
state As Object _
) As IAsyncResult
'Usage
Dim instance As LocalOwnerPresence
Dim categoryItems As ICollection(Of PresenceCategory)
Dim userCallback As AsyncCallback
Dim state As Object
Dim returnValue As IAsyncResult
returnValue = instance.BeginDeletePresence(categoryItems, _
userCallback, state)
public IAsyncResult BeginDeletePresence(
ICollection<PresenceCategory> categoryItems,
AsyncCallback userCallback,
Object state
)
Parameters
- categoryItems
Type: System.Collections.Generic.ICollection<PresenceCategory>
The list of categoryItems to be deleted.
- 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 |
|---|---|
| InvalidOperationException | Thrown when the endpoint is not in the "registered" state, or when the endpoint is an application endpoint and there is an unknown category. |
| ArgumentNullException | Thrown when categoryItems is null. |
| ArgumentException | Thrown when categoryItems contains a null CategoryItem or the instance id of a category in categoryItems could not be determined. |