/// <summary>
/// Close and dispose components and client when exiting program
/// </summary>
public void Closing()
{
_client.Dispose();
_client = null;
_rest.Dispose();
_rest = null;
_inviteWindow = null;
}
/// <summary>
/// Disposes of the _rest object.
/// </summary>
public void Closing()
{
_rest.Dispose();
_rest = null;
}