nsICancelable 编辑

netwerk/base/public/nsICancelable.idlScriptable This interface provides a means to cancel an operation that is in progress. 1.0 66 Introduced Gecko 1.8 Inherits from: nsISupports Last changed in Gecko 1.8 (Firefox 1.5 / Thunderbird 1.5 / SeaMonkey 1.0)

Method overview

void cancel(in nsresult aReason);

Methods

cancel()

Call this method to request that this object abort whatever operation it may be performing.

void cancel(
  in nsresult aReason
);

Parameters

aReason

A failure code indicating why the operation is being canceled. It is an error to pass a success code.