[amibroker] EMPTY A WATCHLIST WITH JAVA SCRIPT QUESTION

["bistrader" <bistrader@xxxxxxxxx>]

I am working on a Java Script and am taking one step at a time.  I want this section of the js to empty a watchlist.  I have googled a lot and have commands that are javascript and visual basic.  This is my error, but I am learning.  Here is what I have on this should so far.  Help appreciated.

// emptyWatchlist.js

//  This Java Script file should:
//  1. Load a Database
//  2. Call a function to empty a watchlist.  This function ...
//     a. Creates an afl
//     b. Runs an exploration on this afl to empty watchlist 10.
// THIS AFL DOES NOT WORK YET
// ----------------------------------------------------------------------------
// Create AmiBroker object and get Analysis object
// ----------------------------------------------------------------------------
var AB, AA, i;

AB = new ActiveXObject("Broker.Application");
AA = AB.Analysis;

// ----------------------------------------------------------------------------
// Load Database
// ----------------------------------------------------------------------------
AB.LoadDatabase("C:\\Amibroker\\FastTrack");

// ----------------------------------------------------------------------------
// Load Reference Ticker into AmiBroker
// ----------------------------------------------------------------------------
AB.ActiveDocument.Name = "RUT-I"; // Set RUT-I as reference ticker

// ----------------------------------------------------------------------------
// Empty Watchlist 10
// ----------------------------------------------------------------------------
var WatchlistNumber = 10

WLEmpty_Directory = "C:\\Amibroker\\Temp\\";
WLEmpty_ExploreFileName = "Empty_Watchlist.afl";
WLEmpty_ExploreFile = WlEmpty_Directory + WLEmpty_ExploreFileName; 

emptyWatchlist.call(10);
//Call emptyWatchlist; // does not work?

// ----------------------------------------------------------------------------
// Afl Code to Empty a Watchlist
// ----------------------------------------------------------------------------
var Emptya = "list = GetCategorySymbols( categoryWatchlist, ";// Add watchlist number later
var Emptyb = " );"; // Use Chr(34) later to add quotes
var Emptyc = "for( i = 0; ( sym = StrExtract( list, i ) ) != ";
var Emptyd = "; i++ )";
var Emptye = "{";
var Emptyf = "    CategoryRemoveSymbol(sym, categoryWatchlist, ";
var Emptyg = " );";
var Emptyh = "    Filter=1;";
var Emptyi = "}";
var Emptyj = "AddTextColumn(sym ,";// Use Chr(34) later to add quotes
var Emptyk = "Ticker";
var Emptyl = ");";

// ----------------------------------------------------------------------------
// Function to create an afl that will Empty a Watchlist
// ----------------------------------------------------------------------------
function emptyWatchlist
{
    Dim bolResult
    Dim FrmlaFile

    var Result = WSH.popup("Emptying a Watchlist")

    var FrmlaFile = FS.CreateTextFile(WLEmpty_ExploreFile, True)

    With FrmlaFile
        .WriteLine Emptya + cstr(WatchlistNumber) + Emptyb
        .WriteLine Emptyc + Chr(34) + Chr(34) + Emptyd
        .WriteLine Emptye
        .WriteLine Emptyf + cstr(WatchlistNumber) + Emptyg
        .WriteLine Emptyh
        .WriteLine Emptyi
        .WriteLine Emptyj + Chr(34) + Emptyk + Chr(34) + Emptyl
        .Close
    End With

    Set FrmlaFile = Nothing
    
    With AA
        .ApplyTo = 1;
        .RangeMode = 2;
        .RangeN = 1;
        .ClearFilters();
        .Filter(0, "watchlist") = WatchlistNumber
        bolResult = .LoadFormula(WLEmpty_ExploreFile)
        If bolResult Then
             .Explore();
        End If
    End With

    AB.RefreshAll()

//End function
}

// That is it.



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