/// <summary>
/// Notifies all subscribed observers with the value.
/// </summary>
/// <param name="value">The value to send to all subscribed observers.</param>
public void OnNext(T value)
{
IObserver <T>[] observers = null;
lock (_gate)
{
ThrowIfDisposed();
if (_observers != null)
{
observers = _observers.ToArray();
}
}
if (observers != null)
{
foreach (var observer in observers)
{
observer.OnNext(value);
}
}
}
private void EnsureCommandCreated()
{
if (!_commandCreated)
{
_commandCreated = true;
_addInCommand = CreateCommand(_codon);
if (_canExecuteChangedHandlersToRegisterOnCommand != null)
{
var handlers = _canExecuteChangedHandlersToRegisterOnCommand.ToArray();
_canExecuteChangedHandlersToRegisterOnCommand = null;
foreach (var handler in handlers)
{
if (_addInCommand != null)
{
_addInCommand.CanExecuteChanged += handler;
}
// Creating the command potentially changes the CanExecute state, so we should raise the event handlers once:
handler(this, EventArgs.Empty);
}
}
}
}