Optional
aInstancePtr: objectA run time mechanism for interface discovery.
NS_OK if the interface is supported by the associated instance, NS_NOINTERFACE if it is not.
aInstancePtr must not be null.
[in] A requested interface IID
[out] A pointer to an interface pointer to receive the result.
formatURLPref - Formats a string URL stored in a preference
If the preference value cannot be retrieved, a fatal error is reported and the "about:blank" URL is returned.
The formatted URL returned by formatURL(), or "about:blank".
string Preference name.
Generated using TypeDoc
Increases the reference count for this interface. The associated instance will not be deleted unless the reference count is returned to zero.
Returns
The resulting reference count.