void Target_ExecuteCommand(object parameter)
{
if (Enabled)
{
parameter = Parameter ?? parameter;
var isAsyncCommand = Command is IAsyncCommand;
BeforeExecuteAction?.Invoke(this);
if (!isAsyncCommand)
{
CommandStarted?.Invoke(this);
}
try
{
Command.Execute(parameter);
}
finally
{
AfterExecuteAction?.Invoke(this);
if (!isAsyncCommand)
{
CommandFinished?.Invoke(this);
}
}
}
}
protected virtual void OnCommandFinished()
{
if (CommandFinished != null)
{
CommandFinished.Invoke();
}
}
public void Terminate(bool?result = null)
{
if (IsRunning)
{
_isFinishedByTerminate = true;
if (result != null)
{
Result = (bool)result;
}
Finish();
CommandFinished.SafeRaise(this);
}
}
void AsyncCommand_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
var command = (IAsyncCommand)sender;
if (e.PropertyName == "IsRunning")
{
if (command.IsRunning)
{
CommandStarted?.Invoke(this);
}
else
{
CommandFinished?.Invoke(this);
}
}
}
private void OnCommandFinished(Command cmd)
{
CommandFinished?.Invoke(this, cmd);
}
/// <summary>
/// Method called each time a command has finished. Calls the CommandFinished event with the finished command as sender argument.
/// </summary>
/// <param name="cmd">The command that was successfully executed.</param>
internal static void OnCommandFinished(Command cmd)
{
Counter.IncrementRamAccesses(); //for each command we actually need to access the RAM
CommandFinished?.Invoke(cmd, new EventArgs());
}
