/// <summary>
/// Marks message history as read.
/// </summary>
/// <param name="contact">Target user</param>
/// <param name="offset">Value from (messages.affectedHistory) or 0</param>
/// <param name="maxId">If a positive value is passed, only messages with identifiers less or equal than the given one will be read</param>
/// <returns>Object contains info on affected part of communication history with the user or in a chat.</returns>
public async Task <MessagesAffectedHistory> MarkedMessagesAsReadAsync(Models.Contact contact, int offset, int maxId = -1)
{
InputPeer peer = null;
if (contact.IsForeign)
{
peer = new InputPeerForeignConstructor(contact.Id, contact.AccessHash);
}
else
{
peer = new InputPeerContactConstructor(contact.Id);
}
await ConnectAsync();
return(await _client.ReadHistory(peer, offset, maxId));
}