JsSetObjectBeforeCollectCallback Function

Sets a callback function that is called by the runtime before garbage collection of an object.

Syntax

STDAPI_(JsErrorCode) JsSetObjectBeforeCollectCallback(  
   _In_ JsRef ref,  
   _In_opt_ void *callbackState,  
   _In_ JsObjectBeforeCollectCallback objectBeforeCollectCallback  
);

Parameters

ref
The object for which to register the callback.

callbackState
User-provided state that will be passed back to the callback.

objectBeforeCollectCallback
The callback function being set. Use null to clear previously registered callback.

Return Value

The code JsNoError if the operation succeeded, a failure code otherwise.

Remarks

The callback is invoked on the current runtime execution thread, therefore execution is blocked until the callback completes.

This API is supported only in EdgeHTML mode.

Requirements

Header: jsrt.h

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