/// <summary>
/// Called when the context has been cancelled.
/// </summary>
/// <param name="context">The context.</param>
private void Notify(RefCountedCancellationTokenSource context)
{
if (_context != context)
{
return;
}
_context = null;
_canExecuteChanged.OnCanExecuteChanged();
}
private IDisposable StartOperation()
{
if (_context == null)
{
_context = new RefCountedCancellationTokenSource(this);
_canExecuteChanged.OnCanExecuteChanged();
}
return(_context.StartOperation());
}
