Adobe Extending Flash Professional CS4 Manual do Utilizador descarregar pdf (Página 558)

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EXTENDING FLASH CS4 PROFESSIONAL

C-Level Extensibility

• The vp argument is a pointer to a jsval where the contents of the jsval structure in the array should be copied.

Returns

A Boolean value: JS_TRUE indicates success; JS_FALSE indicates failure.

JSBool JS_SetElement()

Usage

JSBool JS_SetElement(JSContext *cx, JSObject *obj, jsint idx, jsval *vp)

Description

Method; writes a single element of an array object.

Arguments

JSContext *cx, JSObject *obj, jsint idx, jsval *vp

• The cx argument is the opaque JSContext pointer that passes to the JavaScript function.

• The obj argument is a pointer to an array object.

• The idx argument is an integer index into the array. The first element is index 0, and the last element is index

(

length 1-).

• The vp argument is a pointer to a jsval structure whose contents should be copied to the jsval in the array.

Returns

A Boolean value: JS_TRUE indicates success; JS_FALSE indicates failure.

JSBool JS_ExecuteScript()

Usage

JS_ExecuteScript (JSContext *cx, JSObject *obj, unsigned short *script, unsigned int sz, jsval

*rval)

Description

Method; compiles and executes a JavaScript string. If the script generates a return value, it returns in *rval.

Arguments

JSContext *cx, JSObject *obj, unsigned short *script, unsigned intsz, jsval *rval

• The cx argument is the opaque JSContext pointer that passes to the JavaScript function.

• The obj argument is a pointer to the object in whose context the script executes. While the script is running, the

this keyword is equal to this object. Usually this is the JSObject pointer that passes to the JavaScript function.

• The script argument is a string that contains JavaScript code. If the string size is not specified (see the sz argument),

the string must be null-terminated.

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