joyGetPos
The joyGetPos function queries a joystick for its position and button status.
MMRESULT joyGetPos(
UINT uJoyID,
LPJOYINFO pji
);
Parameters
uJoyID
Identifier of the joystick to be queried. Valid values for uJoyID range from zero (JOYSTICKID1) to 15, except for Windows NT 4.0. For Windows NT 4.0, valid values are limited to JOYSTICKID1 and JOYSTICKID2.
pji
Pointer to a JOYINFO structure that contains the position and button status of the joystick.
Return Values
Returns JOYERR_NOERROR if successful or one of the following error values.
Value | Description |
MMSYSERR_NODRIVER | The joystick driver is not present. |
MMSYSERR_INVALPARAM | An invalid parameter was passed. |
JOYERR_UNPLUGGED | The specified joystick is not connected to the system. |
Remarks
For devices that have four to six axes of movement, a point-of-view control, or more than four buttons, use the joyGetPosEx function.
Requirements
** Windows NT/2000/XP:** Included in Windows NT 3.1 and later.
** Windows 95/98/Me:** Included in Windows 95 and later.
** Header:** Declared in Mmsystem.h; include Windows.h.
** Library:** Use Winmm.lib.
See Also
Joysticks, Multimedia Joystick Functions, JOYINFO, joyGetPosEx