Command StartStreaming :

Start trajectory streaming.

Make sure attribute TrajectoryData has been written before calling this.

Smaract commands: SA_CTL_OpenStream/SA_CTL_StreamFrame/SA_CTL_CloseStream

StartStreaming Definition
Input Argument	Tango::DEV_VOID
Output Argument	Tango::DEV_VOID
DisplayLevel	OPERATOR	..
Inherited	false	..
Abstract	false	..
Polling Period	Not polled	..
Command NOT allowed for	FAULT OFF	..