CPVRChannelPtr channel(new PVRChannel(ChannelNumber));
channel->SetActive();Here, the SetActive() method is called on the channel object pointed to by the CPVRChannelPtr instance. This sets the channel as the current active channel for rendering. The CPVRChannelPtr class is part of the PowerVR SDK package library, which provides a set of libraries and tools for developing applications for PowerVR-based hardware platforms.