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

Visual Basic (Declaration)
Public 
Function 
BeginGetChatRoomCategory ( _
	
categoryUri 
As 
Uri, _
	
userCallback 
As 
AsyncCallback, _
	
state 
As 
Object _
) 
As 
IAsyncResult
Visual Basic (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)
C#
public 
IAsyncResult 
BeginGetChatRoomCategory(
	
Uri 
categoryUri,
	
AsyncCallback 
userCallback,
	
Object 
state
)

Parameters

categoryUri
Type: System . . :: . . Uri

The category URI.

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