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TJ,
I downloaded the file and updated build it still
shows version 4.29.8.
So, I wonder which releasé I´m actually running
now?
Markus
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
Tomasz Janeczko
To: <A title=amibroker@xxxxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Friday, March 07, 2003 8:46
PM
Subject: [amibroker] AmiBroker 4.29.9
BETA released
Hello, A new (hopefully last) beta version of
AmiBroker - 4.29.9 is availablefor download from the following
locations: <A
href=""><FONT
size=2>http://www.amibroker.com/bin/ab4299beta.exe<A
href=""><FONT
size=2>http://www.amibroker.net/bin/ab4299beta.exe<A
href=""><FONT
size=2>ftp://ftp.amibroker.com/pub/ab4299beta.exe<A
href=""><FONT
size=2>ftp://ftp.amibroker.net/pub/ab4299beta.exe<FONT
size=2> (450 KB self-extracting archive) Please read the
README file below for the list of changes.
Best regards,Tomasz
Janeczkoamibroker.com
AmiBroker 4.29.9 Beta Read Me
March 7, 2003 20:47
THIS IS A BETA VERSION OF THE SOFTWARE. EXPECT BUGS.
Backup your data files and entire AmiBroker folder
first!
INSTALLATION INSTRUCTIONS
IMPORTANT: This archive is update-only. You have to install full
version 4.20 first.
Just run the installer and follow the instructions.
Then run AmiBroker. You should see "AmiBroker 4.29.9 beta" written in the
About box.
CHANGES FOR VERSION
4.29.9 (as compared to 4.29.8)
added key shortcuts for range mark begin (F12), end (Shift+F12), hide
(Ctrl+F12) (they are also available in Keyboard editor so assignments can be
changed)
chart scroll left/right are now accessible from keyboard editor
(ChartScrollLeft, ChartScrollRight)
if type-in is selected from the main menu then watch list selector
dialog is displayed.
fixed sometimes wrong sort when many explorations were run one after
another with some non-numeric columns.
Study() works correctly even when trendline is drawn past the last
available data bar.
CHANGES FOR VERSION
4.29.8 (as compared to 4.29.7)
updated param info for
LastValue, MarketID, GroupID, SectorID, IndustryID to match the AFL
reference
decreased delay time
for baloon tooltip (status bar area)
fixed hang of Windows
XP when AmiBroker tried to display the tooltip while AB was minimized.
(cause of crash of WinXP when QT was closed before AB)
infinite numbers are
printed now as {INF}, not-a-numbers are printed as {NAN} by WriteVal.For
example:"1/0 =" + WriteVal((1/0));"0/0 =" + WriteVal(0/0);"(1/0)
/ (1/0) =" + WriteVal((1/0)/(1/0));"1 / (1/0) =" + WriteVal( 1 / ( 1 / 0
) );"Null =" +WriteVal(Null);
3 new AFL
functions:a) IsNan( x ) - returns a nonzero value (1 or TRUE) if the
argument x is a NaN; otherwise it returns 0 (FALSE). A NaN is generated
when the result of a floating-point operation cannot be represented in
Institute of Electrical and Electronics Engineers (IEEE)
formatExample:IsNan( 0/0 );b) IsFinite( x ) -
IsFinite returns a nonzero value (1 or TRUE) if its argument x is not
infinite, that is, if –INF < x < +INF. It returns 0 (FALSE) if the
argument is infinite or a NaN.Example:IsFinite( 1/0 );c)
Nz( x ) - Null (Null/Nan/Infinity) to zeroYou can use the Nz
function to return zero, or another specified value when argument x is Null
or Nan or Infinite. For example, you can use this function to convert a
Null (empty) value to another value and prevent it from propagating through
an expression. If the optional valueifnull argument is included, then
the Nz function will return the value specified by that argument if the x
argument is Null (or Nan or Infinity). You can use the Nz function
as an alternative to the IIf function. Instead of:varTemp = IIf(
IsFinite( (H-L)/(C-L) ), (H-L)/(C-L), 0 );You can write:varTemp
= Nz( (H-L)/(C-L) );
added IsNull() function - it is the synonym to IsEmpty()
CHANGES FOR VERSION
4.29.7 (as compared to 4.29.6)
added "ask to save changed data" option to Prefs->Misc page (if it is
unchecked AmiBroker saves data without asking)
Symbol -> WatchList ->Import now accepts all formats of .LST files
from Quotes Plus
fixed crash when backward ref bar number was too high
date axis drawing modified (should address 'missing oct 2001' problem)
fixed crash when using extreme zoom in factors (via Zoom to range) and
scrolling max to the right so only blank area is visible.
added check for neg. # of contracts
Apply in Indicator Builder does not scroll to the top
other minor fixes:
CHANGES FOR VERSION
4.29.6 (as compared to 4.29.5)
WriteVal has now new
parameter 'separator' that controls if the numbershould be formatted
with thousand separator or not:WriteVal( ARRAY, format = 8.3,
separator = True )WriteVal( Volume, 8.3, True ); // with
separatorsWriteVal( Volume, 8.3, False ); // without separators
thousand separator is not added to numbers in AA->Export
thousand separator does not appear when usingAddColumn( DateTime(),
formatDateTime );
fixed inconsistency between AA result line (incorrect) and AA report
(correct) when formula was using SetOption("InitialEquity", nn) to
change the Init. equity set in the AA settings(thanks Herman)
fix: % change is displayed again in RT quote window.
fix: watch list dialog (watch list->remove) does not show lists above
> 32 if given symbol does not belong to given watch list.
new AFL function: GetChartID() allows to retrieve current indicator
chart ID. (returns 0 (zero) in AA window)
other minor fixes
CHANGES FOR VERSION
4.29.5 (as compared to 4.29.1)
fixed crash in AFL editor that occured when selecting all text and
choosing right mouse button -> copy
auto-scaling changed slightly
user-definable thousand separator (in Tools->Preferences->Misc)
applied automatically to all list views and indicators and WriteVal function
definable number of decimal places in RT quote window
(Tools->Prefs->Misc)
watch-list related functions: (available from context menu in tree and
Symbol->Watch list menu)
quick type-in symbols into watch list
import/export watch list from/to .LST file and from/to plugin (ext.
database only for plugins that support this feature. The first one will be
FT plugin)
context menu is displayed over selected watch list (click with right
mouse button on the watch list name in the Workspace window)
'dirty' flag is set properly after moving/sizing the study
Amibroker again displays message box asking to save changes. (this is
useful to undo some unwanted changes but it works only for most recent
'in-memory' symbols (see Tools->Preferernces->Data))
fixed the case when Preferences has log scale switched OFF but Indicator
Builder has "log scale" turned ON for Price chart.
CHANGES FOR VERSION
4.29.1 (as compared to 4.29.0)
data tooltips now show study ID and coordinates and point/percent change
from start to end when you hover the mouse pointer over the trend line or
other study
from-to range selector implemented just double click on chart to mark
begin and then double click in other place to mark end of the range. >
and < markers will appear above date axis. To delete the markers double
click again in the same place where vertical line is positioned.
From-to selected range can be referred from the AFL level via new
functionsBeginValue( ARRAY )EndValue( ARRAY )- these functions
give the single value (number) of the ARRAY at the beginning and end of the
selected range. If no range is marked then they return the value at the
first bar and last bar respectively.Example:WriteVal(
BeginValue( DateTime() ), formatDateTime );WriteVal( EndValue(
DateTime() ), formatDateTime );"Precentage change of close is " +
WriteVal( 100 * (EndValue( Close ) - BeginValue( Close ))/BeginValue(
Close ) ) + "%";
WriteVal function now handles formatDateTimeWriteVal( DateTime(),
formatDateTime );
Zoom to range implemented (View->Zoom->Range) or hold down both
SHIFT and CTRL and click on green zoom in toolbar button (zooms to selected
from-to range)
CHANGES FOR VERSION
4.29.0 (as compared to 4.28.1)
context help in AFL editor - just press F1 when cursor is over AFL
reserved function name and it will display full information about that
function
param info/fun reference available also from context menu
fixed bug in Study function working improperly for trendlines with right
extend property
tab order fixed in Study properties box
usability: "Filter pre/after hours" is available now from
View->Intraday menu
new AFL function:Now( format = 0 ) returns current date / time in
numerous of formats:format = 0 - returns string containing current
date/time formatted according to system settingsformat = 1 - returns
string containing current date only formatted according to system
settingsformat = 2 - returns string containing current time only
formatted according to system settingsformat = 3 - returns DATENUM
number with current dateformat = 4 - returns TIMENUM number with current
timeformat = 5 - returns DATETIME number with current date/timeSee:
<A
href="">http://www.amibroker.com/guide/afl/afl_view.php?name=NOW
new drawing tool: Triangle
new drawing tool: Andrews' Pitchfork
Gann Square tool does not draw controlling trenline during move/resize
added check that prevents freeing memory by Equity(1) function when this
memory is referenced by other variables
added Layer combo to the Text properties box
added link to AFL on-line reference to the Help->AmiBroker on the Web
menu.
switching layers does not cause unnecessary symbol tree refresh
added switch to AA Settings->Report tab that allows to turn off
optimization warning (that is displayed if optimization requires more than
300 steps)
other minor fixes.
CHANGES FOR VERSION
4.28.1 (as compared to 4.28.0)
fixed problem with missing some short trades when new flag "Reverse
entry signal forces exit" was turned off
Null is now highlighted and present in the auto-complete box.
fixed numeric sorting of colorized columns
CHANGES FOR VERSION
4.28.0 (as compared to 4.27.1)
ApplyStop has one more parameter ApplyStop( Type, Mode, Amount,
ExitAtStop, Volatile = False )new Volatile parameters decides if
amount (or distance) (3rd parameter) is sampled at the trade entry and
remains fixed during the trade (Volatile = FALSE - old behaviour) or if can
vary during the trade (Volatile = TRUE)Allows single-line
implementation of Chandeliers exit:ApplyStop(stopTypeTrailing,
stopModePoint, 3*ATR(14), True, True );
ApplyStop handles new N-Bar stop - exits the trade after N bars.Type
= stopTypeNBar; /* = 3 */Mode = stopModeBars; /* = 1
*/ApplyStop( stopTypeNBar, stopModeBars, 5 ); // exits trades
on 5th bar since entry
added new "Reverse entry signal forces exit" check box to the Backtester
settings.When it is ON (the default setting) - backtester works as in
previous versions and closes already open positon if new entry signal in
reverse direction is encountered. If this switch is OFF - even if reverse
signal occurs backtester maintains currently open trade and does not close
positon until regular exit (sell or cover) signal is generated. In other
words when this switch is OFF backtester ignores Short signals during long
trades and ignores Buy signals during short trades.
added "Allow same bar exit (single bar trade)" option to the
SettingsWhen it is ON (the default settings) - entry and exit at the
very same bar is allowed (as in previous versions)if it is OFF - exit
can happen starting from next bar only (this applies to regular
signals,there is a separate setting for ApplyStop-generated exits).
Switching it to OFF allows to reproduce the behaviour of MS backtester that
is not able to handle same day exits.
long trades now take precedence over short trades so if signals happen
on the same bar in both directions only long trade is taken.
new AFL functions:DateTime() - returns array of encoded date/time
values suitable for using withAddColumn and formatDateTime
constantto produce date time formated according to your system
settingsAddColumn( DateTime(), "Date / Time", formatDateTime
);new formatChar constant allows outputting single ASCII
character codes:Example (produces signal file accepted by various
other
programs):Buy=Cross(MACD(),Signal());Sell=Cross(Signal(),
MACD());Filter=Buy OR Sell;SetOption("NoDefaultColumns", True
);AddColumn( DateTime(), "Date", formatDateTime );AddColumn( IIf(
Buy, 66, 83 ), "Signal", formatChar );
new AFL functions continued:BarIndex() - returns zero-based bar
number - the same as Cum(1)-1 but it is much faster than Cum(1) when
used in Indicators SetOption( "name", value )- sets various
options in automatic analysis settings currently available options
are"NoDefaultColumns" - if set to True - exploration does not have
default Ticker and Date/Time
columns"InitialEquity""AllowSameBarExit"
"ActivateStopsImmediately" "AllowPositionShrinking"
"FuturesMode" "InterestRate"
if you overwrite AA settings via SetTradeDelays/SetOption backtest
report gives these actual values instead of originaly set in the
settings
new Null constant is equal to -1e10 (empty value) so you can use it
instead enigmatic -1e10obsolete styleLog removed (logarithmic scale
setting is not per-line but per-pane and it is selectable from Indicator
Builder)
added PlotGrid( level, color = colorDefault ) function that plots grid
line using built-in dotted style.
fixed problem with QuoteEditor that was introduced with adding color
support to the list view
added support for Win XP common controls 6, which results in enhanced
XP-look (on WinXP only of course)
fixed zero-size problem with floating control bars on Windows XP
fixed some compatibility issues with common controls 6.
added sound when plugin status changes
fixed problems with Review window sometimes not showing the results
value label drawing changed slightly
status bar adjusted so plugin state is visible on smaller displays
improved windows version checking for bug reports
CHANGES FOR VERSION
4.27.1 (as compared to 4.27.0)
fixed problems with
auto-complete and param info features appearing on certain Windows
versions
CHANGES FOR VERSION
4.27.0 (as compared to 4.26.0)
Intellisense-like functionality in AFL editor
auto-completion feature in AFL editor type a few letters and press
Ctrl+SPACE and the number of matching functions / reserved words will be
displayed
parameters-info tip, type function name and opening brace ( and you will
see the tip that shows information about required parameters
two new checkboxes Preferences->Editor control Auto-completion /
parameter-info features
fixed exception occuring when optimizing systems that generate zero
trades (very rare case)
AlertIF called from the custom indicators sometimes displayed wrong
date/time - now it is fixed
when fixup = 1 Foreign() is able to align array past the last foreign
bar. For example when using intraday data you can refer to imported EOD data
and it will fill intraday data with last value from previous
day.
CHANGES FOR VERSION
4.26.0 (as compared to 4.25.0)
List view sorting speed increased significantly:
sorting of text columns is 2 times faster (on average)
sorting of numeric column is 5-10 times faster ( sort 660'000 items
within 2-3 seconds on 1GHz machine)
Explorations now support definable color of cell text and
backgroundAddColumn and AddTextColumn functions extended to support this
feature:AddColumn( Array, "Title", format = 1.2, textColor =
colorDefault, bkgndColor = colorDefault );AddTextColumn( "Text",
"Title", format = 1.2, textColor = colorDefault, bkgndColor = colorDefault
);New colorDefault constant (-1) defines default windows color for
grid cell.
Sample code:Filter =1;
AddColumn( Close, "Close", 1.2 );AddColumn( MACD(), "MACD", 1.4
, IIf( MACD() > 0, colorGreen, colorRed ) );AddTextColumn(
FullName(), "Full name", 77 , colorDefault, IIf( Close < 10,
colorLightBlue, colorDefault ) );
custom indicators - anchors are not offset vertically from the ends of
the trend line when Draw dates is selected
custom indicators with auto-scaling can be now dragged in Y-direction
like regular charts
Foreign and RelStrength algorithm improved to allow more complex
alignment cases
PlotShapes works even without any Plot statement (although it is
intended to use in conjunction with Plot)
fixed line disappearing bug that occured when using text tool right
after trend line tool
Dec is displayed again on date axis
CHANGES FOR VERSION
4.25.0 (as compared to 4.24.0)
support user-definable parameters:new AFL functionsParam(
"name", default, min, max, step )ParamStr( "name", "default"
);ParamColor( "name", defaultcolor );new Parameters dialog :
right click over chart pane and select "Parameters" or press
Ctrl+Rallows to change chart parameters - changes are reflected
immediatelly
Sample code 1:ticker = ParamStr( "Ticker", "MSFT"
);sp = Param( "MA Period", 12, 2, 100 );PlotForeign( ticker, "Chart
of "+ticker, ParamColor( "Price Color", colorLightYellow ), styleCandle
);Plot( MA( Foreign( ticker, "C" ), sp ), "MA(" + WriteVal( sp, 1.0 ) +
")", ParamColor( "MA Color", colorRed ) );
Sample code 2:sp = Param( "RSI Period", 12, 2,
100 );r = RSI( sp );Plot( r, "RSI("+WriteVal(sp,1.0)+")",
ParamColor("RSI Color", colorRed ) );
Buy = Cross( r, 30 );Sell = Cross( 70, r );
PlotShapes( shapeUpArrow * Buy + shapeDownArrow * Sell, IIf( Buy,
colorGreen, colorRed ) );
added missing ':' and '"' characters to the forbidden characters set in
file names generated from ticker names. All file-system reserved characters
are converted to underscore.
ticker symbol maximum length increased to 25 characters (from previous
15).(these two fixes above solve problem with using very long symbols
like
default keyboard accelerators changed Ctrl+R is now for Parameters
dialog F5 is for Refresh
fixed calculation bug occuring when drawing objects in the blank chart
area ("jumping" effect)
new method in Quotations collection for faster retrieval of
quoteslong Retrieve( long Count, Variant *Date, Variant *Open, Variant
*High, Variant *Low, Variant *Close, Variant *Volume, Variant *OpenInt );
on Windows Me, 2000 and XP all file dialogs now feature "Places" bar and
allows to select few recent file names from the combo
date axis display modified slightly (3 letter month abbrev. used more
often
changed resizing algorithm so if "no min size for resizing dialog"
option is selected the scroll bar of list / edit is always visible. Also the
option is active from the start without need to go to Preferences.
other minor improvements
CHANGES FOR VERSION
4.24.0 (as compared to 4.23.0)
saving/loading Automatic Analysis settings to/from the file
Axis font now can be made bold/italic/underline
Text drawing tool uses axis font now
full control over AA window via new OLE/COM
interface:Analysis object (accessible via
Broker.Application.Analysis)Methods:- Backtest(); - runs
backtest - Explore(); - runs exploration- Scan(); - runs scan-
Optimize(); - runs optimization- bool Report( FileName: String ) - saves
report to the file or displays it if FileName = "" - bool Export(
FileName: String ) - exports result list to CSV file- bool LoadFormula(
FileName: String ) - loads AFL formula- bool SaveFormula( FileName:
String ) - saves AFL formula- bool LoadSettings( FileName: String ) -
loads backtest settings- bool SaveSettings( FileName: String ) - saves
backtest settings- ClearFilters() - removes all filters
Properties:- long ApplyTo - defines apply to mode: 0 -
all stocks, 1 - current stock, 2 - use filter- long RangeMode - defines
range mode: 0 - all quotes, 1 - n last quotes, 2 - n last days, 3 - from-to
date- long RangeN - defines N (number of bars/days to backtest)-
DATE RangeFromDate - defines "From" date- DATE RangeToDate - defines
"To" date- Filter( nType: short, Category : String ) - sets/retrieves
filter settingnType argument defines type of filter 0 - include, 1 -
excludeCategory argument defines filter category:"index",
"favorite", "market", "group", "sector", "index",
"watchlist"ExamplesClearFilters();
// clear all filters firstFilter( 0, "index" ) = 1; // include only
indicesFilter( 1, "market" ) = 2; // exclude 2nd
marketFull Example for Windows Scripting
Host:========================================
/* create AB object */AB = new
ActiveXObject("Broker.Application");
/* retrieve automatic analysis object */AA =
AB.Analysis;
/* load formula from external file
*/AA.LoadFormula("afl\\macd_c.afl");
/* optional: load settings *///
AA.LoadSettings("the_path_to_the_settings_file.abs");
/* setup filters *//* backtest over symbols
present in market 0 only (zero-based number) */AA.ClearFilters();
AA.Filter( 0, "market" ) = 0;
/* set apply to and range */AA.ApplyTo = 2; // use
filtersAA.RangeMode = 0; // use all available quotes
/* run backtest and display report
*/AA.Backtest();AA.Report(""); // empty file name means display
report
CHANGES FOR VERSION
4.23.0 (as compared to 4.22.1)
chart axis font can be defined by the user. The default is now Arial,
9pt.(Tools->Preferences->Miscellaneous: "Axis font")
Undo feature added to AFL editor.
PlotShapes now supports offset (or distance) parameter (by default -12
), Offset is expressed in SCREEN pixels.Negative offsets shift symbols
down, positive offsets shift symbol up. To place the shape exactly at
ypostion, specify 0 as offset. PlotShapes( shape, color, layer = 0,
yposition = graph0, offset = -12 );
yet another bug fixed that caused problems with drawing lines when
multiple windows were showing same symbol but different intervals.
if Y-value is less than 1000 the status bar displays four decimal places
, also bar number is displayed in the status bar (next to date/time)
Insert Indicator window (Ctrl+I) does not show empty indicator slots
anymore.
CHANGES FOR VERSION
4.22.1 (as compared to 4.22.0)
fixed overwrite problem occuring when deleting first indicator in the
list in Indicator Builder
fixed shortcut conflict &File and &Format. Now Format menu has
Alt+o shortcut
other minor fixes
added constants for shapes"shapeNone", 0 "shapeUpArrow", 1
"shapeDownArrow", 2 "shapeHollowUpArrow", 3
"shapeHollowDownArrow", 4 "shapeSmallUpTriangle", 5
"shapeSmallDownTriangle", 6 "shapeHollowSmallUpTriangle", 7
"shapeHollowSmallDownTriangle", 8 "shapeUpTriangle", 9
"shapeDownTriangle", 10 "shapeHollowUpTriangle", 11
"shapeHollowDownTriangle", 12 "shapeSmallSquare", 13
"shapeHollowSmallSquare", 15 "shapeSquare", 17
"shapeHollowSquare", 19 "shapeSmallCircle", 21
"shapeHollowSmallCircle", 23"shapeCircle", 25
"shapeHollowCircle", 27 "shapeStar", 29 "shapeHollowStar", 31
"shapeDigit0", 33 "shapeDigit1", 35 "shapeDigit2", 37
"shapeDigit3", 39 "shapeDigit4", 41 "shapeDigit5", 43
"shapeDigit6", 45 "shapeDigit7", 47 "shapeDigit8", 49
"shapeDigit9", 51 "shapePositionAbove", 1 Example:
PlotShapes( IIF( buy, shapeDigit9 + shapePositonAbove, shapeNone ),
colorGreen );
CHANGES FOR VERSION
4.22.0 (as compared to 4.21.1)
changes made in Indicator Builder are not lost if formula is incorrect -
instead error message is displayed and formula is saved even if it has a
syntax error
if currently displayed indicator formula has an error - the error
message does not pop up in a separate window but is displayed in the
indicator pane.
empty indicators are not displayed in the Indicator Builder and new
buttons "Add", "Delete" are provided to add new indicator and remove
existing
when drawing or moving drawing objects the auto-refresh of the chart is
temporarily held to solve problems with drawing on RT charts.
Symbol->Information window is not reset every 3 sec when working with
RT data.
interval between chart updates is now configurable
(Preferences->Intraday)
Random( seed = none ); function takes new parameter seed.If seed is
defined it initializes the seed of random number generator this allows to
produce repetitive series of pseudo-random series. If seed is not specified
- random number generator continues generation.To reinitialize the
generator, use 1 as the seed argument. Any other value for seed sets the
generator to a random starting point. Example 1:Graph0 =
Random(); // generates different sequence with each refreshExample
2:Graph0 = Random(1); // generates the same sequence with each
refresh
new AFL function PlotShapes( shape, color, layer = 0, yposition =
graph0 );that allows to plot arrows and other shapes on any
chart.Parameters:
shape defines type of the symbol. when shape is zero nothing is
plottedvalues other than zero cause plotting various pre-defined
shapes.Odd values plot shape BELOW indicator, even values plot shape
ABOVE indicator.
color defines color of shape
layer defines layer number on which shapes are plotted
yposition defines Y-position where shapes are plotted (by
default they are plotted 'around' graph0 (first indicator) line)
Currently defined shapes areUP ARROW = 1, (below
indicator)DOWN ARROW = 2, (above indicator)HOLLOW UP ARROW = 3,
(below)HOLLOW DOWN ARROW = 4, (above)SMALL UP TRIANGLE = 5,
(below)SMALL DOWN TRIANGLE = 6, (above)HOLLOW SMALL UP TRIANGLE = 7,
(below)HOLLOW SMALL DOWN TRIANGLE = 8 , (above)UP TRIANGLE = 9,
(below)DOWN TRIANGLE = 10, (above)HOLLOW UP TRIANGLE = 11,
(below)HOLLOW DOWN TRIANGLE = 12, (above)SMALL SQUARE = 13,
(below)SMALL SQUARE = 14, (above)HOLLOW SMALL SQUARE = 15,
(below)HOLLOW SMALL SQUARE = 16,SQUARE = 17, (below)SQUARE = 18,
(above)HOLLOW SQUARE = 19, (below)HOLLOW SQUARE = 20,
(above)SMALL CIRCLE = 21, (below)SMALL CIRCLE = 22,
(above)HOLLOW SMALL CIRCLE = 23, (below)HOLLOW SMALL CIRCLE =
24,(above)CIRCLE = 25, (below)CIRCLE = 26, (above)HOLLOW CIRCLE
= 27, (below)HOLLOW CIRCLE = 28, (above)STAR = 29, (below)STAR =
30, (above)HOLLOW STAR = 31, (below)HOLLOW STAR = 32,
(above)NUMBER 0 = 33, (below)NUMBER 0 = 34, (above)NUMBER 1 =
35, (below)NUMBER 1 = 36, (above)NUMBER 2 = 37, (below)NUMBER 2
= 38, (above)NUMBER 3 = 39, (below)NUMBER 3 = 40, (above)NUMBER
4 = 41, (below)NUMBER 4 = 42, (above)NUMBER 5 = 43,
(below)NUMBER 5 = 44, (above)NUMBER 6 = 45, (below)NUMBER 6 =
46, (above)NUMBER 7 = 47, (below)NUMBER 7 = 48, (above)NUMBER 8
= 49, (below)NUMBER 8 = 50, (above)NUMBER 9 = 51, (below)NUMBER
9 = 52, (above)Demo
formula:Graph0=MACD();Graph1=Signal();Buy=Cross(Graph0,
Graph1);Sell=Cross(Graph1, Graph0);PlotShapes( ( Buy OR Sell ) * ( 1
+ Cum( Buy OR Sell ) % 52 ), IIf( Buy, colorGreen, colorRed ), 5
);GraphXSpace = 5;
CHANGES FOR VERSION
4.21.1 (as compared to 4.21.0)
AddToComposite marks symbol as dirty so timestamp added in the full name
is stored properly.
"Align custom minute bars to regular market hours" works OK now even if
filtering is OFF
new methods added to COM interface in 4.21.0 caused incompatibility with
AmiQuote because of changed numbering of methods. Now it is fixed so
AmiQuote auto-import works again with 4.21.1
fixed display of watch list >32 in the workspace tree
fixed possible hangup when attempting to draw objects when currently
selected layer is hidden
CHANGES FOR VERSION
4.21.0 (as compared to 4.20.8)
layers implemented (layers is a well-know concept in every decent
painting/drawing/CAD package now it is available to traders for (AFAIK) the
first time in technical analysis program)
increased number of watch lists (to 64 watch lists) and sectors (to 64
sectors) (note that broker.workspace file once saved with new version can
not be read back with previous versions)
max. number of bars in File->Database Settings increased to 500'000.
ASCII importer: added $STRICT 1 mode it checks if Open, High, Low prices
are greater than zero
COM/OLE interface:new property
Broker.Application.DatabasePathnew method:
Broker.Application.LoadDatabase( Path )new method:
Broker.Application.SaveDatabase()
Example VBScript code (Windows Scripting Host):
Set oAB = CreateObject("Broker.Application")
WScript.Echo( "Current path to database is " + oAB.DatabasePath
)
if oAB.LoadDatabase("c:\program files\amibroker\data") = True
thenWScript.Echo( "succesfully loaded new database" )end
if
WScript.Echo( "Current path to database is " + oAB.DatabasePath
)
oAB.SaveDatabase()
CHANGES FOR VERSION
4.20.8 (as compared to 4.20.7)
fixed #include command (CR/LF pair handling)
#include now displays error message in the status bar ifincluded file
can not be found
when calling function defined in script AFL does not convert the method
name to lowercase
filtering after hours works also for EndTime < StartTime case
(usefull for users from Far East tracking US exchanges)
fixed bug causing crash on custom indicators using Study() with QuickAFL
enabled
protection against crash when the user tries to plot negative values on
semi-log scale
new AFL function: GetDatabaseName - gives the name of the database - the
last part (folder) of the database path
other minor fixes
new myTrack plugin
removed (c) text (4.20.8.3431)
CHANGES FOR VERSION
4.20.7 (as compared to 4.20.6)
fixed crash occuring on exit on Windows XP (CRegistry class - free() )
fixed problem with saving keyboard editor settings on Win2k
fixed problem with different ordering of tickers when case sensitivity
is turned on (symbol array is re-sorted on change and re-sorted after
loading master file)
added one more safety check for non-existing directory when saving
layout
CHANGES FOR VERSION
4.20.6 (as compared to 4.20.5)
possible bug with AFL editor fixed (streamin)
"space" problem in AFL editor fixed
fixed bug with switching databases
fixed crash occuring when user specified non-existing pen
fixed bug in monthly view display (29.02.2000)
fixed bug in File->Save database As (into blank directory)
fixed title of built-in volume pane
ROC function accepts additional parameter that defines how
negativevalues are handled. ROC( array, periods = 12, absmode = False
)if absmode = False the value returned is array - ref( array, -periods
)/ref( array, -periods )if absmode = True the value returned is array -
ref( array, -periods )/abs( ref( array, -periods ) )
QuoteTracker plugin now accepts also . (dot) as a date separator
myTrack plugin startup routine improved
CHANGES FOR VERSION
4.20.5 (as compared to 4.20.3)
composite symbol is reset properly even if flused out of in-memory cache
when $ALLOWNEG is NOT specified in the ASCII importer definition
AmiBroker performs the following range checking and fixup on open, low and
high pricesif( open == 0 ) open = close;if( high < max( open,
close ) ) high = max( open, close );if( low == 0 ) low = min( open,
close )
Update Nov 1, 2002: added myTrack real-time plugin.
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