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...use the joystick?
Autor: Thomas Stutz
[ Print tip ]  

Tip Rating (4):  
     


uses
  
MMSYSTEM;

var
  
MyJoy: TJoyInfo;
  ErrorResult: MMRESULT;
begin
  
ErrorResult := joyGetPos(joystickid1, @MyJoy);
  if ErrorResult = JOYERR_NOERROR then
  begin
    
TrackBar1.Position := MyJoy.wypos;
    TrackBar2.Position := MyJoy.wxpos;
    RadioButton1.Checked := (MyJoy.wbuttons and joy_button1) > 0;
    RadioButton2.Checked := (MyJoy.wbuttons and joy_button2) > 0;
  end 
else
   case 
ErrorResult of
     
MMSYSERR_NODRIVER: ShowMessage('No Joystick driver present');
     MMSYSERR_INVALPARAM: ShowMessage('Invalid Joystick Paramameters');
     JOYERR_UNPLUGGED: ShowMessage('Joystick is Unplugged');
   else 
ShowMessage('Unknown error with Joystick');
 end;

end;


 

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