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48 lines
1.3 KiB
Markdown
48 lines
1.3 KiB
Markdown
The STRIG(n) statement controls event trapping for a particular joystick or game pad device button.
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## Syntax
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> STRIG(button%) {ON|OFF|STOP}
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## QB64 Syntax
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> STRIG[(*button_function%*[, *device_number%*])] {ON|OFF|STOP}
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## Description
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* button function specifies the device's button function. Even functions record events while odd ones read the actual presses.
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* **QB64** can designate a button function and controller device number from 0 to 256.
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* When no parameters are used **QB64** enables, disables or suspends the reading of ALL button events.
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* [STRIG(n)](STRIG(n)) specifies that event trapping is turned on for the specified button.
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* [STRIG(n)](STRIG(n)) specifies that event trapping is turned off for the specified button.
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* If STOP is specified, event trapping is suspended for the specified button. Further joystick button events are remembered and trapped, in order, after the next STRIG(n) ON statement is used.
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## Example(s)
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```vb
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ON STRIG(0) GOSUB 10
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STRIG(0)ON
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DO
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PRINT ".";
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_LIMIT 30
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LOOP UNTIL INKEY$ <> ""
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END
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10
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a$ = "[STRIG 0 EVENT]"
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FOR x = 1 TO LEN(a$)
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PRINT MID$(a$, x, 1);
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_DELAY 0.02
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NEXT
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RETURN
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```
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## See Also
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* [ON STRIG(n)](ON-STRIG(n)) (event statement)
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* [STRIG](STRIG), [STICK](STICK) (functions)
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* [Single and Dual Stick Controllers](http://en.wikipedia.org/wiki/Analog_stick)
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