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    This interface defines a generic interface for requesting interfaces that a given object might provide access to.
    Inherits from: nsISupports Last changed in Gecko 0.9.5

    This is similar to nsISupports.QueryInterface(). The main difference is that interfaces returned are not required to provide a way back to the object implementing nsIInterfaceRequestor. The semantics of nsISupports.QueryInterface() dictate that given an interface A that you nsISupports.QueryInterface() on to get to interface B, you must be able to nsISupports.QueryInterface() on B to get back to A. nsIInterfaceRequestor, however, allows you to obtain an interface C from A that may (or most likely) will not have the ability to get back to A.

    Method overview

    void getInterface(in nsIIDRef uuid, [iid_is(uuid),retval] out nsQIResult result);



    Retrieves the specified interface pointer.

    void getInterface(
      in nsIIDRef uuid,
      [iid_is(uuid),retval] out nsQIResult result
    The IID of the interface being requested.
    The interface pointer to be filled in if the interface is accessible.
    Exceptions thrown
    The requested interface is not available.

    Document Tags and Contributors

    Contributors to this page: Sheppy, trevorh, Callek, Nickolay, Dria, DarinFisher, jackieku
    Last updated by: Sheppy,