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.
Determines whether or not this application is the default for the operating system. It is up to the application to determine how to answer this question but it would typically involve checking if it is registered as the default handler for web protocols and/or file types.
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.