#define FrwMsgClassName "TForwardMessager"

// ----------- Forward Messages ------------ //
// always send message WM_USER with command as WPARAM and parameter as LPARAM

// Whole range of command with (WParam>>16)==1 reserved
#define FrwMsgAirTitling (1<<16)

WPARAM = FrwMsgAirTitling+(BoardIndex<<8)+cmd


enum cmd {amAsk,amLogo,amTitle,amTime};

amAsk - if called task send the command then OnAir aplication will send command with current Logo & Title state.
amLogo - indicate Logo state (LPARAM = Logo)
amTitle - indicate Title state (LPARAM = Title)
amTime - notify about future TitleOff. (LPARAM = Time) Through specified miliseconds Title will be turned off.
  Time == 0 - means no TitleOff limit.
