Use Channel modes.

Static Public Attributes |
|
| static const | kFBUseChannelLeftOnly |
| static const | kFBUseChannelRightOnly |
| static const | kFBUseChannelBoth |
const
kFBUseChannelLeftOnly [static] |
const
kFBUseChannelRightOnly [static] |
const
kFBUseChannelBoth [static] |