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ChatRoomCategoryManagementServices.BeginFindCategoriesByParentCategory Method

Finds all subcategories of the parent category referenced by parentCategory. To find chat rooms within a category, use BeginFindChatRoomsByParentCategory(Uri, AsyncCallback, Object).

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

public IAsyncResult BeginFindCategoriesByParentCategory(
	Uri parentCategory,
	AsyncCallback userCallback,
	Object state


Type: System.Uri
The parent category.
Type: System.AsyncCallback
The method to be invoked when this asynchronous operation completes.
Type: System.Object
An object to be passed back to the callback.

Return Value

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


Thrown when invalid arguments are passed.


Thrown when the GroupChatEndpoint is not established.


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


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

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

© 2015 Microsoft