joyGetNumDevs function

The joyGetNumDevs function queries the joystick driver for the number of joysticks it supports.

Syntax

UINT joyGetNumDevs(

);

Parameters

This function has no parameters.

Return Value

The joyGetNumDevs function returns the number of joysticks supported by the current driver or zero if no driver is installed.

Remarks

Use the joyGetPos function to determine whether a given joystick is physically attached to the system. If the specified joystick is not connected, joyGetPos returns a JOYERR_UNPLUGGED error value.

Requirements

   
Minimum supported client Windows 2000 Professional [desktop apps only]
Minimum supported server Windows 2000 Server [desktop apps only]
Target Platform Windows
Header joystickapi.h (include Windows.h)
Library Winmm.lib
DLL Winmm.dll

See Also

Joysticks

Multimedia Joystick Functions