Difference between revisions of "DEVICES"

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The '''_DEVICES''' function returns all of the INPUT devices on your computer including keyboard, mouse and game devices.
{{DISPLAYTITLE:_DEVICES}}
The [[_DEVICES]] function returns the number of INPUT devices on your computer including keyboard, mouse and game devices.




{{PageSyntax}}
{{PageSyntax}}
::: device_count% = _DEVICES
: {{Parameter|device_count%}} = [[_DEVICES]]




* Returns the number of devices that can be listed separately with the [[_DEVICE$]] function.
{{PageDescription}}
* Returns the number of devices that can be listed separately with the [[_DEVICE$]] function by the device number.
* Devices include keyboard, mouse, joysticks, game pads and multiple stick game controllers.
* 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.'''




{{PageExamples}}
''Example:'' Checking for the system's input devices.
''Example:'' Checking for the system's input devices.
{{CodeStart}} '' ''
{{CodeStart}} '' ''
devices = {{Cl|_DEVICES}}
devices = {{Cl|_DEVICES}} 'MUST be read in order for other 2 device functions to work!
PRINT "Number of input devices found ="; devices
PRINT "Number of input devices found ="; devices
FOR i = 1 TO devices
FOR i = 1 TO devices
Line 23: Line 27:
Buttons: 512
Buttons: 512
[MOUSE][BUTTON][AXIS][WHEEL]
[MOUSE][BUTTON][AXIS][WHEEL]
Buttons 3
Buttons: 3
{{OutputEnd}}
{{OutputEnd}}
:Note: The [[STRIG]]/[[STICK]] commands won't read from the keyboard or mouse device the above example lists.
:Note: The [[STRIG]]/[[STICK]] commands won't read from the keyboard or mouse device the above example lists.




''See also:''
{{PageSeeAlso}}
* [[_DEVICE$]]
* [[_DEVICE$]], [[_DEVICEINPUT]]
* [[_LASBUTTON]]
* [[_LASTBUTTON]], [[_LASTAXIS]], [[_LASTWHEEL]]
* [[_BUTTON]], [[_BUTTONCHANGE]]
* [[_AXIS]], [[_WHEEL]]
* [[_MOUSEINPUT]], [[_MOUSEX]], [[_MOUSEBUTTON]]
* [[STRIG]], [[STICK]]
* [[STRIG]], [[STICK]]
* [[ON STRIG]], [[STRIG(n)]]
* [[ON STRIG(n)]], [[STRIG(n)]]
* [[Controller Devices]]




{{PageNavigation}}
{{PageNavigation}}

Latest revision as of 17:54, 5 September 2017

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.


Examples

Example: 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.


See also



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