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.
Set a context on this controller, which is passed to commands to give them some context when they execute.
the context passed to commands. Note that this is not addreffed by the controller, and so needs to outlive it, or be nulled out.
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.