_DEVICES

The _DEVICES function returns the number of input devices on your computer including keyboard, mouse and game devices.

Syntax

device_count% = _DEVICES

Description

• Returns the number of devices that can be listed separately with the _DEVICE$ function by the device number.
• Devices include keyboard, mouse, joysticks, game pads and multiple stick game controllers.

Note

This function must be read before trying to use the _DEVICE$, _DEVICEINPUT or any of the _LASTxxx control functions.

Examples

Checking for the system's input devices.

devices% = _DEVICES 'MUST be read in order for other 2 device functions to work! PRINT "Number of input devices found ="; devices% FOR i% = 1 TO devices% PRINT _DEVICE$(i%) PRINT "Buttons:"; _LASTBUTTON(i%) NEXT i% END

Number of input devices found = 2 [KEYBOARD][BUTTON] Buttons: 512 [MOUSE][BUTTON][AXIS][WHEEL] Buttons: 3

Note

The STRIG and STICK commands won't read from the keyboard or mouse device the above example lists.

See also

• _DEVICE$, _DEVICEINPUT
• _LASTBUTTON, _LASTAXIS, _LASTWHEEL
• _BUTTON, _BUTTONCHANGE
• _AXIS, _WHEEL
• _MOUSEINPUT, _MOUSEX, _MOUSEBUTTON
• STRIG, STICK
• ON STRIG(n), STRIG(n)
• Controller Devices

---

Navigation: Main Page with Articles and Tutorials Keyword Reference - Alphabetical Keyword Reference - By usage