BeginGetChatRoomCategory Method

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Retrieves the ChatRoomCategory for the given URI.

Namespace:  Microsoft.Rtc.Collaboration.GroupChat.Management
Assembly:  Microsoft.Rtc.Collaboration.GroupChat (in Microsoft.Rtc.Collaboration.GroupChat.dll)

Syntax

'Declaration
Public Function BeginGetChatRoomCategory ( _
    categoryUri As Uri, _
    userCallback As AsyncCallback, _
    state As Object _
) As IAsyncResult

'Usage
Dim instance As ChatRoomCategoryManagementServices
Dim categoryUri As Uri
Dim userCallback As AsyncCallback
Dim state As Object
Dim returnValue As IAsyncResult

returnValue = instance.BeginGetChatRoomCategory(categoryUri, _
    userCallback, state)

public IAsyncResult BeginGetChatRoomCategory(
    Uri categoryUri,
    AsyncCallback userCallback,
    Object state
)

Parameters

  • userCallback
    Type: System.AsyncCallback
    The method to be invoked when this asynchronous operation completes.
  • state
    Type: System.Object
    An object to be passed back to the callback.

Return Value

Type: System.IAsyncResult
An IAsyncResult that references this operation.

Exceptions

Exception Condition
ArgumentException

Thrown when invalid arguments are passed.
[Microsoft.Rtc.Collaboration.GroupChat.ChatServerConnectionException]

Thrown when the GroupChatEndpoint is not established.
[System.InvalidOperationException]

Thrown when the chat server connection is not in a valid state to send the command.
[RealTimeException]

Thrown when the GroupChatEndpoint encounters an error communicating with the group chat server.

Remarks

This request will be processed asynchronously. See EndGetChatRoomCategory(IAsyncResult) to complete this asynchronous operation.

You must supply the URI of the category you wish to retrieve. To retrieve the top-level category, use RootCategoryUri.

See Also

Reference

ChatRoomCategoryManagementServices Class

ChatRoomCategoryManagementServices Members

Microsoft.Rtc.Collaboration.GroupChat.Management Namespace