mirror of
https://github.com/QB64-Phoenix-Edition/QB64pe.git
synced 2024-06-29 11:40:38 +00:00
47 lines
1.4 KiB
Plaintext
47 lines
1.4 KiB
Plaintext
{{DISPLAYTITLE:_DEVICES}}
|
|
The [[_DEVICES]] function returns the number of INPUT devices on your computer including keyboard, mouse and game devices.
|
|
|
|
|
|
{{PageSyntax}}
|
|
: {{Parameter|device_count%}} = [[_DEVICES]]
|
|
|
|
|
|
{{PageDescription}}
|
|
* Returns the number of devices that can be listed separately with the [[_DEVICE$]] function by the device number.
|
|
* Devices include keyboard, mouse, joysticks, game pads and multiple stick game controllers.
|
|
* '''Note: This function must be read before trying to use the [[_DEVICE$]], [[_DEVICEINPUT]] or _LAST control functions.'''
|
|
|
|
|
|
{{PageExamples}}
|
|
''Example:'' Checking for the system's input devices.
|
|
{{CodeStart}} '' ''
|
|
devices = {{Cl|_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 {{Cl|_DEVICE$}}(i)
|
|
PRINT "Buttons:"; {{Cl|_LASTBUTTON}}(i)
|
|
NEXT '' ''
|
|
{{CodeEnd}}
|
|
{{OutputStart}}Number of input devices found = 2
|
|
[KEYBOARD][BUTTON]
|
|
Buttons: 512
|
|
[MOUSE][BUTTON][AXIS][WHEEL]
|
|
Buttons: 3
|
|
{{OutputEnd}}
|
|
:Note: The [[STRIG]]/[[STICK]] commands won't read from the keyboard or mouse device the above example lists.
|
|
|
|
|
|
{{PageSeeAlso}}
|
|
* [[_DEVICE$]], [[_DEVICEINPUT]]
|
|
* [[_LASTBUTTON]], [[_LASTAXIS]], [[_LASTWHEEL]]
|
|
* [[_BUTTON]], [[_BUTTONCHANGE]]
|
|
* [[_AXIS]], [[_WHEEL]]
|
|
* [[_MOUSEINPUT]], [[_MOUSEX]], [[_MOUSEBUTTON]]
|
|
* [[STRIG]], [[STICK]]
|
|
* [[ON STRIG(n)]], [[STRIG(n)]]
|
|
* [[Controller Devices]]
|
|
|
|
|
|
{{PageNavigation}}
|
|
<
|