MsgCommunicator: Delphi Instant Messaging (IM) SDK
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TMsgServer.IsUserExisting
TMsgServer
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Determines if user specified by UserID is existing in the server database.

function IsUserExisting(const UserID: Cardinal): Boolean;

Description
Call IsUserExisting to check if the user with specified UserID identifier is already registered in the users database on this server. IsUserExisting returns True if such user already exists; otherwise returns False.


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