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How to create "just" an object like in VB?


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Hi!

I'm trying to convert VB functions (using .NET "System.Collections.ArrayList [binarySearch]") into AU3.

In VB you can simply create an object like this:

Dim myObjectOdd As Object = 3

Is there a way to achieve this in AU3?

Greets,

-supersonic.

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In AutoIt this seems not to be needed.

Just define the variable using "Global $myObjectOdd". Then use ObjCreate to create the object and assign it to the variable.

My UDFs and Tutorials:

Spoiler

UDFs:
Active Directory (NEW 2022-02-19 - Version 1.6.1.0) - Download - General Help & Support - Example Scripts - Wiki
ExcelChart (2017-07-21 - Version 0.4.0.1) - Download - General Help & Support - Example Scripts
OutlookEX (2021-11-16 - Version 1.7.0.0) - Download - General Help & Support - Example Scripts - Wiki
OutlookEX_GUI (2021-04-13 - Version 1.4.0.0) - Download
Outlook Tools (2019-07-22 - Version 0.6.0.0) - Download - General Help & Support - Wiki
PowerPoint (2021-08-31 - Version 1.5.0.0) - Download - General Help & Support - Example Scripts - Wiki
Task Scheduler (NEW 2022-07-28 - Version 1.6.0.1) - Download - General Help & Support - Wiki

Standard UDFs:
Excel - Example Scripts - Wiki
Word - Wiki

Tutorials:
ADO - Wiki
WebDriver - Wiki

 

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Hi,

currently I have no luck at all... :)

When running the following code:

Local $oArrayList = ObjCreate("System.Collections.ArrayList")

$oArrayList.Add("test1")
$oArrayList.Add("test2")
$oArrayList.Add("test3")

Local $iTmp = 1

MsgBox(0, "", $oArrayList.BinarySearch($iTmp))

the following message returns:

D:\TEMP\test.au3 (9) : ==> The requested action with this object has failed.:

MsgBox(0, "", $oArrayList.BinarySearch($iTmp))

MsgBox(0, "", $oArrayList.BinarySearch($iTmp)^ ERROR

Regarding to http://msdn.microsoft.com/en-us/library/aa317752(v=vs.71).aspx

the variable "$iTmp" has to be an object...

Any ideas?

Greets,

-supersonic.

Edited by supersonic
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If I use

Local $oArrayList = ObjCreate("System.Collections.ArrayList")
$oArrayList.Add("test1")
$oArrayList.Add("test2")
$oArrayList.Add("test3")
$Result = $oArrayList.Contains("test2")
ConsoleWrite($Result & @CRLF)
it works.

Edited by water

My UDFs and Tutorials:

Spoiler

UDFs:
Active Directory (NEW 2022-02-19 - Version 1.6.1.0) - Download - General Help & Support - Example Scripts - Wiki
ExcelChart (2017-07-21 - Version 0.4.0.1) - Download - General Help & Support - Example Scripts
OutlookEX (2021-11-16 - Version 1.7.0.0) - Download - General Help & Support - Example Scripts - Wiki
OutlookEX_GUI (2021-04-13 - Version 1.4.0.0) - Download
Outlook Tools (2019-07-22 - Version 0.6.0.0) - Download - General Help & Support - Wiki
PowerPoint (2021-08-31 - Version 1.5.0.0) - Download - General Help & Support - Example Scripts - Wiki
Task Scheduler (NEW 2022-07-28 - Version 1.6.0.1) - Download - General Help & Support - Wiki

Standard UDFs:
Excel - Example Scripts - Wiki
Word - Wiki

Tutorials:
ADO - Wiki
WebDriver - Wiki

 

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Any ideas?

Unfortunately: no.

Both methods require an object. "Contains" works, "BinarySearch" does not.

My UDFs and Tutorials:

Spoiler

UDFs:
Active Directory (NEW 2022-02-19 - Version 1.6.1.0) - Download - General Help & Support - Example Scripts - Wiki
ExcelChart (2017-07-21 - Version 0.4.0.1) - Download - General Help & Support - Example Scripts
OutlookEX (2021-11-16 - Version 1.7.0.0) - Download - General Help & Support - Example Scripts - Wiki
OutlookEX_GUI (2021-04-13 - Version 1.4.0.0) - Download
Outlook Tools (2019-07-22 - Version 0.6.0.0) - Download - General Help & Support - Wiki
PowerPoint (2021-08-31 - Version 1.5.0.0) - Download - General Help & Support - Example Scripts - Wiki
Task Scheduler (NEW 2022-07-28 - Version 1.6.0.1) - Download - General Help & Support - Wiki

Standard UDFs:
Excel - Example Scripts - Wiki
Word - Wiki

Tutorials:
ADO - Wiki
WebDriver - Wiki

 

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I just looked at the documents for ArrayList.BinarySearch and my guess is that it is throwing an InvalidOperationException because you have a type mismatch. You are putting strings into the list but then searching for an integer.

If you convert it to a string first, it may work fine.

Edited by Richard Robertson
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I tried this without luck:

Local $oArrayList = ObjCreate("System.Collections.ArrayList")

$oArrayList.Add("test1")
$oArrayList.Add("test2")
$oArrayList.Add("test3")

Local $result = $oArrayList.BinarySearch("test1")

MsgBox(0, "", $result)
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$oMyError = ObjEvent("AutoIt.Error","MyErrFunc")    ; Initialize a COM error handler

Local $oArrayList = ObjCreate("System.Collections.ArrayList")

$oArrayList.Add("test1")
$oArrayList.Add("test2")
$oArrayList.Add("test3")

Local $result = $oArrayList.BinarySearch("test1")

MsgBox(0, "", $result)

; This is my custom defined error handler
Func MyErrFunc()

  Msgbox(0,"AutoItCOM Test","We intercepted a COM Error !"      & @CRLF  & @CRLF & _
             "err.description is: "    & @TAB & $oMyError.description    & @CRLF & _
             "err.windescription:"     & @TAB & $oMyError.windescription & @CRLF & _
             "err.number is: "         & @TAB & hex($oMyError.number,8)  & @CRLF & _
             "err.lastdllerror is: "   & @TAB & $oMyError.lastdllerror   & @CRLF & _
             "err.scriptline is: "     & @TAB & $oMyError.scriptline     & @CRLF & _
             "err.source is: "         & @TAB & $oMyError.source         & @CRLF & _
             "err.helpfile is: "       & @TAB & $oMyError.helpfile       & @CRLF & _
             "err.helpcontext is: "    & @TAB & $oMyError.helpcontext _
            )
            
    Local $err = $oMyError.number
    If $err = 0 Then $err = -1
    
    $g_eventerror = $err  ; to check for after this function returns
Endfunc

BinarySearch throws 2 exceptions: InvalidOperationException where "value is not of the same type as the elements of the ArrayList." which happens if you search 123. OR ArgumentException where the values do not implement IComparable interface. I'm guessing, considering the error, that's the case.

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