public void Execute(object parameter)
{
if (Interlocked.Exchange(ref _canExecute, 0) != 1)
{
return;
}
CanExecuteChanged.NullSafeInvoke(this, new EventArgs());
try
{
_action.Invoke();
}
catch (Exception ex)
{
UiHelper.ShowError(null, ex);
}
Interlocked.Exchange(ref _canExecute, 1);
CanExecuteChanged.NullSafeInvoke(this, new EventArgs());
}
