On Thu, Sep 09, 2004 at 04:48:14PM -0400, Nathan White wrote:
> I have tried:
>
> if ( Components.classes['@mozilla.org/dictionary;1'].equals(result) )
>
> but this doesn't work what am I doing wrong?
You can not check whether an object is an instance of a particular
contract id. You can check whether it supports a particular interface
though:
if (result instanceof Components.interfaces.nsIFoo) {
result.foobar();
// ...
}
or:
try {
var foo = result.QueryInterface(Components.interfaces.nsIFoo);
foo.foobar();
// ...
} catch (e) {
// No nsIFoo.
}
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