Phần mềm phân tích chứng khoán: Amibroker version 5.30.1 Professional Edition!

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CHANGES FOR VERSION 5.34.5 (as compared to 5.34.0)

• Worked around Microsoft OS bug #248760 and #209467 - writing to metafiles from multiple threads causes lost object selections. This has caused display unstability for Gfx function-generated output. The only way to fix that was NOT to use metafiles at all. Gfx code was rewritten not to use Microsoft metafiles. As a result of custom implementation Gfx functions work now 3 times faster and are multi-threading safe.
• GfxDrawText automatically falls back to much (4x) faster ExtTextOut when format is 0 or DT_NOCLIP and string does not contain any new line characters

CHANGES FOR VERSION 5.34.0 (as compared to 5.33.0)

• Fix: Gfx functions when run in multithreaded mode slowed down over time due to Micosoft MFC library GDI wrappers not being thread-safe. Fixed by replacing MFC calls with straight WINAPI calls.
• Multi-threading charts are now ON by default and will be reset to ON on each restart. This change is temporary but added because some people forget to turn this on.
• Fix: When Symbol Lock was ON, currently focused chart did not update its quote cache. Fixed
• Fix: Status("redrawaction") was giving 0 result for timed refreshes in 5.31-5.33 while it should give 1. Fixed.
• Fix: GDI leak found when using Gfx* functions in Automatic Analysis that resulted in resource exception after long use. Fixed
• Fix: GDI leak found after Parameter windows "Reset all". Fixed
• Fix: Black screen in Edit->Image->Copy as bitmap/Metafile/Export/Send e-mail. Fixed. Now uses separate instance of AFL engine not to interfere with execution running in the background.
• Fix: AFL engine did not release memory buffer for pre-processed parts (#include). Fixed
• AmiBroker now has requestedExecutionLevel set to "asInvoker" in its manifest file and that prevents Vista/Windows 7 folder virtualization. It also displays a warning message when it does not have write access to its working directory.

CHANGES FOR VERSION 5.33.0 (as compared to 5.32.1)

• OLE: Analysis object - added IsBusy property that allows OLE programs to check whenever AA is currently running asynchronous AA operation
• In 5.32.1 only active window was refreshed automatically by streaming data - others required mouse click. Fixed.
• In 5.32 formulas using Status("actionex") == actionIndicator caused blank pane when focused because actionex was NOT indicator. Compatibility shim implemented.
• Fixed bad crash occuring when using AddToComposite with atcFlagsEnableInIndicator in multi-threaded mode
• Fix: Interval linked charts did not update immediatelly and multi-window layouts required click to update after loading. Fixed.
• Fix: Crash @501C30 when doing double right click on Data window
• Dangling pointer to view (after its deletion) removed from timedrefresh map and parameter window. This prevents some crashes
• Compat: In 5.32 when SetOption() was placed AFTER custom backtester procedure code in user formula - such options did not affect CBT results. Technically 5.32 was correct one and 5.30 incorrect (such options affected CBT results), but because probably too many user formulas are poorly written without taking attention on placement of SetOption() calls and that created false bug reports, an old compatible behaviour was restored till the time when error messages about wrong placement of SetOption() calls are implemented, so users become aware about their coding errors.
• Bug recovery/report dialog now allows the user to type steps required to reproduce the crash and select how often given problem occurs
• Attempts to run AA asynchronous operation (Backtest/Optimize/Scan/Explore) via OLE while another one is still running are detected and prevented (with error message "Automatic Analysis is Busy processing")
• AFL thread termination routine checks for possible same-process COM call deadlock and pumps COM messages if necessary to complete thread gracefully

CHANGES FOR VERSION 5.32.1 (as compared to 5.32.0)

• Fix: when "stop parsing at first error" option was turned on "Reset all" button in parameters window caused params to disappear. Fixed
• Fix: random crash @7792E25B (small alloc heap corruption) fixed
• Fix: random crash @4BFFF7 (when accessing static variables from multiple threads at once). Fixed.
• Fix: Eliminated multi-threaded race condition that randomly caused blank charts.

CHANGES FOR VERSION 5.32.0 (as compared to 5.31.2)

• Parameters work also without _SECTION_BEGIN/_SECTION_END, Parameters 'Reset All' operation improved
• Interpretation does not use extra execution cycle anymore (text evaluation is done within normal indicator execution)
• Formula Editor: Syntax check, Apply indicator, Insert work faster because it only uses 100 bars to perform syntax check instead of all bars
• Formula Editor: Code check & profile uses not more than 100K bars
• Fix: Timing display in the chart shows correctly AFL execution and redraw time when multi-threading is ON and does not flicker
• Fix: Say() function works properly when multithreading is ON
• Fix: Errors occuring in JScript/VBScript parts do not result in crash anymore
• Data Window now allows to choose which of default data elements (OHLCV, OI, Aux1/2) to display - use Right click context menu
• Data window display is immediate and does not require extra AFL execution
• Data tooltip readout is immediate - does not use extra execution cycle anymore (implemented internal cache)
• When there are no parameters for given indicator - empty brackets are not added anymore for display in tooltip/data window and as a return value of _DEFAULT_NAME().

CHANGES FOR VERSION 5.31.2 (as compared to 5.31.1)

• Fixed: Problems with Gfx functions in 5.31.1
• Fixed: Parameters window was not refreshed properly after ResetAll in 5.31.1
• Fixed: Crash when switching layouts in 5.31.1
• Fixed: Crash @004C297D - Foreign returned wrong interval in 5.31.1
• Fixed: Crash @0040F91C / @0040FA2B (all references ******rtInfo removed from AFL engine) in 5.31.1
• Fixed: Automatic Analysis ignored changes done via SetOption and other runtime settings-related changes in 5.31.1
• Fixed: Changing chart display interval did not work immediatelly in 5.31.1

CHANGES FOR VERSION 5.31.1 (as compared to 5.31.0)

• fixed crash @0040BACD (using Gfx... functions) when multi-threading was enabled
• fixed crash @0041E27C (JScript/VBScript embedded code) when multi-threading was enabled
• fixed crash @7686F05D and @004B83EC (load/create new database) when multi-threading was enabled

CHANGES FOR VERSION 5.31.0 (as compared to 5.30.4)

• Major change: AFL Engine rewritten completely to allow multi-threaded execution

C AVEAT: this is very new code and may not be stable
This change will lead to several improvements that will be added in future versions. First public release of multi-threaded AFL engine (5.31.0 BETA) features support for multi-threading in commentary and charts.By default multi-threaded execution in charts is disabled. To enable multi-threaded execution of charts, go to Tools->Preferences, "AFL" tab and check "Multi-threaded charts".
Note that once you turn this option on, each chart PANE will execute in separate thread, so refreshes of each pane will become completely asynchronous, non-blocking. This has quite dramatic (positive) effect on perceived snappiness of user interface.

However, there are also things you need to keep in mind. If your formulas rely on certain order of execution of panes, they may work incorrectly because generally all panes will be executing in parallel, and it depends on complexity of formula which one will finish earlier. Also a formula that is quick to execute may run several times while the other lenghty one is only finishing one run.
This has also another side effect that Foreign and AddToComposite functions when they are used in chart formulas, will operate in asynchronous way (what you write with AddToComposite may not necesarily appear instantly if you read it back right after using Foreign()), therefore it is recommended to use static variables when you need synchronized access between threads.

Since each thread uses approximatelly 1 MB of RAM for thread stack, the memory consumption when using multi-threading may be slightly larger.There are some things that do not work properly yet when "multi-threading charts" are turned on:

• • Performance meter / chart timing display do not show AFL execution times (the values reported are minimal).
  • Data tooltips / Data window are still executed in main GUI thread and this in theory can lead to problems(to improve stability it is recommended to turn off price data tooltips in Tools->Preferences->Miscellaneous)
• $ HYBRID now allows importing OpenInterest, Aux1, Aux2 onto existing data without need to specify price
• New AFL function: PlaySound( "filename" )
  
  The function plays back specified .WAV file

returns 1 on success, 0 on failure
Example:
PlaySound("c:\\windows\\media\\ding.wav");

• New AFL function: ShellExecute( "filename", "arguments", "workingdir", showcmd = 1 )
  
  The function opens a file or runs executable.

It is equivalent of Windows API ShellExecute, with one difference, it always uses "open" verb.
This allows running executables, scripts, opening document files using their associated editors, etc.
If the function succeeds, it returns a value greater than 32. If the function fails, it returns an error value that indicates the cause of the failure.
For possible error codes, consult Microsoft documentation:
http://msdn.microsoft.com/en-us/library/bb762153(VS.85).aspx
Example:
ShellExecute("notepad.exe", "", "" );

• Multiple file open dialogs now use 1MB buffer (instead of 256K)
• OptimizerSetOption and OptimizerSetEngine are now no-ops for anything but backtest/optimization action
  
  This prevents random problems when one used OptimizerSetOption or OptimizerSetEngine within indicator code.
• Value labels are drawn with a little offset from the Y axis. First Plot() label is drawn with an arrow pointing out exactly price level
• When main application window is in modal state (displaying File open dialog for example), RequestTimedRefresh is held
  This fixes problem with file dialog changing current working directory while browsing for directory (FC #1670)
• When multiple MDI windows are open and one is maximized, the windows in back that are completely obscured by others and minimized windows are not redrawn during normal RT refresh
  
  It is worth noting that if you use RequestTimedRefresh the chart will continue to be refreshed periodically even if obscured by other windows.
  If you use RequestTimedRefresh with "onlyvisible" parameter set to False, the chart will be also refreshed if it is minimized

đánh dấu

hi you, minh download ve roi nhung ko biet chen vao dau? Bac huong dan giup voi nhe
thanks Bac

hi you, minh download ve roi nhung ko biet chen vao dau? Bac huong dan giup voi nhe
thanks Bac

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