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[amibroker] Re: Is it possible to automatically switch between charts?



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//  Install as indicator and use parameter Trigger to rotate 
//  through watchlist

//  Change in 5.09 allows the current ticker for the active 
//  document window to be changed in mid-stream.  This is 
//  preferrable to SetForeign( ) because the BarCount reflects 
//  the number of bars in the new ticker.

WLNUM		= 13;

wl			= CategoryGetSymbols( categoryWatchlist, WLNUM );
wlcount	= StrCount( wl, "," ) + 1;

//  The chart ID is appended to the index name to make it 
//  unique to the document window
//  NOTE - it is initialized to a large number to force it 
//         to rotate back to 0 at first click
curind		= Nz( StaticVarGet( "nextind" + GetChartID( ) ), 999999 );

//  Loop through the watchlist tickers and rotate back to 0
trig		= ParamTrigger( "Trigger", "CLICK" );
if ( trig )
{
	if ( curind >= wlcount - 1 )
		curind			= 0;
	else
		curind++;
	StaticVarSet( "nextind" + GetChartID( ), curind );

	//  Set the new document ticker
	OAB			= CreateObject( "Broker.Application" );
	OAD			= OAB.ActiveDocument;
	OAD.Name	= StrExtract( wl, curind );
}

Plot( C, "C", colorDefault );

//  Force all available bars for the ticker
SetBarsRequired( sbrAll, sbrAll );

Title		= Name( ) + " - WL Index = " + Curind + 
				" , BarCount = " + BarCount;




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