_DEVICES - QB64Official/qb64 GitHub Wiki
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$, _DEVICEINPUT or _LAST control functions.
Example(s)
Checking for the system's input devices.
devices = _DEVICES 'MUST be read in order for other 2 device functions to work!
PRINT "Number of input devices found ="; devices
FOR i = 1 TO devices
PRINT _DEVICE$(i)
PRINT "Buttons:"; _LASTBUTTON(i)
NEXT
Number of input devices found = 2
[KEYBOARD][BUTTON]
Buttons: 512
[MOUSE][BUTTON][AXIS][WHEEL]
Buttons: 3
Note: The STRIG/STICK commands won't read from the keyboard or mouse device the above example lists.