public void ForwardClick()
{
switch (_StateManager.Tlf.Forward.State)
{
case FunctionState.Idle:
_StateManager.Tlf.Forward.State = FunctionState.Ready;
break;
case FunctionState.Ready:
_StateManager.Tlf.Forward.State = FunctionState.Idle;
break;
case FunctionState.Executing:
case FunctionState.Error:
_EngineCmdManager.CancelForward();
break;
}
}