# Interface ICefV8Interceptor

Description
Hierarchy
Methods

## Unit

uCEFInterfaces

## Declaration

`type ICefV8Interceptor = interface(ICefBaseRefCounted)`

## Description

Interface that should be implemented to handle V8 interceptor calls. The functions of this interface will be called on the thread associated with the V8 interceptor. Interceptor's named property handlers (with first argument of type CefString) are called when object is indexed by string. Indexed property handlers (with first argument of type int) are called when object is indexed by integer.

UNKNOWN

<see href="https://bitbucket.org/chromiumembedded/cef/src/master/include/capi/cef_v8_capi.h">CEF source file: /include/capi/cef_v8_capi.h (cef_v8_interceptor_t))

## Hierarchy

- IInterface
- ICefBaseRefCounted
- ICefV8Interceptor

## Overview

### Methods

Public | `function GetByName(const name: ustring; const object_: ICefv8Value; var retval: ICefv8Value; var exception: ustring): boolean;`
Public | `function GetByIndex(index: integer; const object_: ICefv8Value; var retval: ICefv8Value; var exception: ustring): boolean;`
Public | `function SetByName(const name: ustring; const object_, value: ICefv8Value; var exception: ustring): boolean;`
Public | `function SetByIndex(index: integer; const object_, value: ICefv8Value; var exception: ustring): boolean;`

## Description

### Methods

Public | `function GetByName(const name: ustring; const object_: ICefv8Value; var retval: ICefv8Value; var exception: ustring): boolean;`
Handle retrieval of the interceptor value identified by |name|. |object| is the receiver ('this' object) of the interceptor. If retrieval succeeds, set |retval| to the return value. If the requested value does not exist, don't set either |retval| or |exception|. If retrieval fails, set |exception| to the exception that will be thrown. If the property has an associated accessor, it will be called only if you don't set |retval|. Return true (1) if interceptor retrieval was handled, false (0) otherwise. ###### Attributes GUID['{B3B8FD7C-A916-4B25-93A2-2892AC324F21}']

Public | `function GetByIndex(index: integer; const object_: ICefv8Value; var retval: ICefv8Value; var exception: ustring): boolean;`
Handle retrieval of the interceptor value identified by |index|. |object| is the receiver ('this' object) of the interceptor. If retrieval succeeds, set |retval| to the return value. If the requested value does not exist, don't set either |retval| or |exception|. If retrieval fails, set |exception| to the exception that will be thrown. Return true (1) if interceptor retrieval was handled, false (0) otherwise.

Public | `function SetByName(const name: ustring; const object_, value: ICefv8Value; var exception: ustring): boolean;`
Handle assignment of the interceptor value identified by |name|. |object| is the receiver ('this' object) of the interceptor. |value| is the new value being assigned to the interceptor. If assignment fails, set |exception| to the exception that will be thrown. This setter will always be called, even when the property has an associated accessor. Return true (1) if interceptor assignment was handled, false (0) otherwise.

Public | `function SetByIndex(index: integer; const object_, value: ICefv8Value; var exception: ustring): boolean;`
Handle assignment of the interceptor value identified by |index|. |object| is the receiver ('this' object) of the interceptor. |value| is the new value being assigned to the interceptor. If assignment fails, set |exception| to the exception that will be thrown. Return true (1) if interceptor assignment was handled, false (0) otherwise.

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