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Finds users or user groups who are eligible for the given role on the specified chat room. The searchString matches against the Name of the user or user group. To be eligible for Member or Manager roles, a user or user group must be in scope on the category. To be eligible for Presenter, the principal must already be a member of the chat room.
Assembly: Microsoft.Rtc.Collaboration.GroupChat (in Microsoft.Rtc.Collaboration.GroupChat.dll)
public IAsyncResult BeginFindUsersOrGroupsForRole( ChatRoomRole role, Uri chatRoomUri, string searchString, AsyncCallback userCallback, Object state )
- Type: Microsoft.Rtc.Collaboration.GroupChat.ChatRoomRole
The role for which eligible users are being searched.
- Type: System.Uri
The chat room URI.
- Type: System.String
The search string by which eligible users will be filtered.
- 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.
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 EndFindUsersOrGroupsForRole(IAsyncResult) to complete this asynchronous operation.