corgano

How to call COM method that expects pointers as params?

6 posts in this topic

My end goal is to get the caret position in microsoft word and turn it into an absolute x/y screen coordinate.

I'm trying to turn some code from C++ to autoit, found here
https://groups.google.com/d/msg/microsoft.public.word.vba.general/pKq4PsqD3cM/yDukAS5Bk3cJ
And I'm stuck when trying to call.Window.GetPoint Method (Word)
https://msdn.microsoft.com/EN-US/library/office/ff836626.aspx
I tried calling it like this:
 

#include <MsgBoxConstants.au3>
#include <Word.au3>
#include <Array.au3>

; Create application object
Local $oWord = _Word_Create()
If @error Then Exit MsgBox($MB_SYSTEMMODAL, "Word UDF: _Word_DocAttach Example", _
        "Error creating a new Word application object." & @CRLF & "@error = " & @error & ", @extended = " & @extended)

; *****************************************************************************
; Attach to the active doc
; *****************************************************************************
Local $oDoc = _Word_DocGet ( $oWord , 0 )

Local $oErrorHandler = ObjEvent("AutoIt.Error", "_ErrFunc")

;//position dialog relative to word insertion point (caret)
$left = 0
$top = 0
$width = 0
$height = 0
$r = $oDoc.Application.Selection.Range
$w = $oDoc.ActiveWindow

$w.GetPoint( $left, $top, $width, $height, $r );

ConsoleWrite("left "&$left&"    top "&$top&@CRLF)

And I keep getting this error:
 

New AutoIt v3 Script.au3 (27) : ==> COM Error intercepted !
    err.number is:      0x800706F4
    err.windescription: A null reference pointer was passed to the stub.

    err.description is:     
    err.source is:      
    err.helpfile is:    
    err.helpcontext is:     
    err.lastdllerror is:    0
    err.scriptline is:  27
    err.retcode is:     0x00000000

left 0  top 0

How do I call it properly?


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Still no replies? Should I repost in the general help section?


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$r = $oDoc.Application.Selection.Range
MsgBox(0, '@error', @error)
$w = $oDoc.ActiveWindow

add @error checking and say what you get.


Signature beginning:   Wondering who uses AutoIT and what it can be used for ?
* GHAPI UDF - modest begining - comunication with GitHub REST API *
ADO.au3 UDF     POP3.au3 UDF     XML.au3 UDF    How to use IE.au3  UDF with  AutoIt v3.3.14.x  for other useful stuff click the following button

Spoiler

Any of my own code posted anywhere on the forum is available for use by others without any restriction of any kind. 

My contribution (my own projects): * Debenu Quick PDF Library - UDF * Debenu PDF Viewer SDK - UDF * Acrobat Reader - ActiveX Viewer * UDF for PDFCreator v1.x.x * XZip - UDF * AppCompatFlags UDF * CrowdinAPI UDF * _WinMergeCompare2Files() * _JavaExceptionAdd() * _IsBeta() * Writing DPI Awareness App - workaround * _AutoIt_RequiredVersion() * Chilkatsoft.au3 UDF * TeamViewer.au3 UDF * JavaManagement UDF * VIES over SOAP * WinSCP UDF * GHAPI UDF - modest begining - comunication with GitHub REST API *

My contribution to others projects or UDF based on  others projects: * _sql.au3 UDF  * POP3.au3 UDF *  RTF Printer - UDF * XML.au3 - BETA * ADO.au3 UDF SMTP Mailer UDF *

Useful links: * Forum Rules * Forum etiquette *  Forum Information and FAQs * How to post code on the forum * AutoIt Online Documentation * AutoIt Online Beta Documentation * SciTE4AutoIt3 getting started * Convert text blocks to AutoIt code * Games made in Autoit * Programming related sites * Polish AutoIt Tutorial * DllCall Code Generator * 

Wiki: Expand your knowledge - AutoIt Wiki * Collection of User Defined Functions * How to use HelpFile * Best coding practices * 

IE Related:  * How to use IE.au3  UDF with  AutoIt v3.3.14.x * Why isn't Autoit able to click a Javascript Dialog? * Clicking javascript button with no ID * IE document >> save as MHT file * IETab Switcher (by LarsJ ) * HTML Entities * _IEquerySelectorAll() (by uncommon) * 

I encourage you to read: * Global Vars * Best Coding Practices * Please explain code used in Help file for several File functions * OOP-like approach in AutoIt * UDF-Spec Questions *  EXAMPLE: How To Catch ConsoleWrite() output to a file or to CMD *

"Homo sum; humani nil a me alienum puto" - Publius Terentius Afer
"Program are meant to be read by humans and only incidentally for computers and execute" - Donald Knuth, "The Art of Computer Programming"
:naughty:  :ranting:, be  :) and       \\//_.

Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

Signature last update: 2017-06-04

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Still no replies? Should I repost in the general help section?

Do not post multiple topics on the same question.
btw. This indead should be posted in GH&S  

as this on in which we are now is for using this:

 Katalog: c:\Program Files (x86)\AutoIt3\AutoItX

10.07.2015  13:16    <DIR>          .
10.07.2015  13:16    <DIR>          ..
10.07.2015  11:51           206 272 AutoItX.chm
10.07.2015  11:51            22 458 AutoItX.psd1
10.07.2015  11:51            41 272 AutoItX3.Assembly.dll
10.07.2015  11:43            49 518 AutoItX3.Assembly.xml
10.07.2015  11:51           456 008 AutoItX3.dll
10.07.2015  11:51            49 976 AutoItX3.PowerShell.dll
09.07.2015  13:22            12 993 AutoItX3_DLL.h
10.07.2015  11:43            28 976 AutoItX3_DLL.lib
10.07.2015  11:51           515 400 AutoItX3_x64.dll
10.07.2015  11:43            27 546 AutoItX3_x64_DLL.lib
10.07.2015  13:16    <DIR>          Examples

 


Signature beginning:   Wondering who uses AutoIT and what it can be used for ?
* GHAPI UDF - modest begining - comunication with GitHub REST API *
ADO.au3 UDF     POP3.au3 UDF     XML.au3 UDF    How to use IE.au3  UDF with  AutoIt v3.3.14.x  for other useful stuff click the following button

Spoiler

Any of my own code posted anywhere on the forum is available for use by others without any restriction of any kind. 

My contribution (my own projects): * Debenu Quick PDF Library - UDF * Debenu PDF Viewer SDK - UDF * Acrobat Reader - ActiveX Viewer * UDF for PDFCreator v1.x.x * XZip - UDF * AppCompatFlags UDF * CrowdinAPI UDF * _WinMergeCompare2Files() * _JavaExceptionAdd() * _IsBeta() * Writing DPI Awareness App - workaround * _AutoIt_RequiredVersion() * Chilkatsoft.au3 UDF * TeamViewer.au3 UDF * JavaManagement UDF * VIES over SOAP * WinSCP UDF * GHAPI UDF - modest begining - comunication with GitHub REST API *

My contribution to others projects or UDF based on  others projects: * _sql.au3 UDF  * POP3.au3 UDF *  RTF Printer - UDF * XML.au3 - BETA * ADO.au3 UDF SMTP Mailer UDF *

Useful links: * Forum Rules * Forum etiquette *  Forum Information and FAQs * How to post code on the forum * AutoIt Online Documentation * AutoIt Online Beta Documentation * SciTE4AutoIt3 getting started * Convert text blocks to AutoIt code * Games made in Autoit * Programming related sites * Polish AutoIt Tutorial * DllCall Code Generator * 

Wiki: Expand your knowledge - AutoIt Wiki * Collection of User Defined Functions * How to use HelpFile * Best coding practices * 

IE Related:  * How to use IE.au3  UDF with  AutoIt v3.3.14.x * Why isn't Autoit able to click a Javascript Dialog? * Clicking javascript button with no ID * IE document >> save as MHT file * IETab Switcher (by LarsJ ) * HTML Entities * _IEquerySelectorAll() (by uncommon) * 

I encourage you to read: * Global Vars * Best Coding Practices * Please explain code used in Help file for several File functions * OOP-like approach in AutoIt * UDF-Spec Questions *  EXAMPLE: How To Catch ConsoleWrite() output to a file or to CMD *

"Homo sum; humani nil a me alienum puto" - Publius Terentius Afer
"Program are meant to be read by humans and only incidentally for computers and execute" - Donald Knuth, "The Art of Computer Programming"
:naughty:  :ranting:, be  :) and       \\//_.

Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

Signature last update: 2017-06-04

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$r = $oDoc.Application.Selection.Range
MsgBox(0, '@error', @error)
$w = $oDoc.ActiveWindow

add @error checking and say what you get.

I added checks for both $r and $w to see if there were any errors and to make sure they were objects, and they all check out. That is not the issue as far as I can tell.

My question is how do I call 
Window.GetPoint, assuming $w is a valid window and $r is a valid range.


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I rarely visit this forum. If you're still interested, you do it this way:

$tLeft   = DllStructCreate( "int" )
$tTop    = DllStructCreate( "int" )
$tWidth  = DllStructCreate( "int" )
$tHeight = DllStructCreate( "int" )

$pLeft   = DllStructGetPtr( $tLeft )
$pTop    = DllStructGetPtr( $tTop )
$pWidth  = DllStructGetPtr( $tWidth )
$pHeight = DllStructGetPtr( $tHeight )

$w.GetPoint( $pLeft, $pTop, $pWidth, $pHeight, $r )

$left   = DllStructGetData( $tLeft, 1 )
$top    = DllStructGetData( $tTop, 1 )
$width  = DllStructGetData( $tWidth, 1 )
$height = DllStructGetData( $tHeight, 1 )

 

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[id(0x60020011)] HRESULT FindMeta( [in] BSTR bstrStartNodeID, [in] BSTR bstrSearchStringName, [out] BSTR* pbstrHierarchyXmlOut, [in, optional, defaultvalue(0)] VARIANT_BOOL fIncludeUnindexedPages, [in, optional, defaultvalue(2)] XMLSchema xsSchema); [id(0x60020012)] HRESULT GetSpecialLocation( [in] SpecialLocation slToGet, [out] BSTR* pbstrSpecialLocationPath); [id(0x60020013)] HRESULT MergeFiles( [in] BSTR bstrBaseFile, [in] BSTR bstrClientFile, [in] BSTR bstrServerFile, [in] BSTR bstrTargetFile); [id(0x60020014)] HRESULT QuickFiling([out, retval] IQuickFilingDialog** ppiDialog); [id(0x60020015)] HRESULT SyncHierarchy([in] BSTR bstrHierarchyID); [id(0x60020016)] HRESULT SetFilingLocation( [in] FilingLocation flToSet, [in] FilingLocationType fltToSet, [in] BSTR bstrFilingSectionID); [id(0x00000064), propget] HRESULT Windows([out, retval] Windows** ppONWindows); [id(0x00000066), propget, hidden] HRESULT Dummy1([out, retval] VARIANT_BOOL* pBool); [id(0x60020019)] HRESULT MergeSections( [in] BSTR bstrSectionSourceId, [in] BSTR bstrSectionDestinationId); [id(0x00000068), propget] HRESULT COMAddIns([out, retval] IDispatch** ppiComAddins); [id(0x00000069), propget] HRESULT LanguageSettings([out, retval] IDispatch** ppiLanguageSettings); [id(0x6002001c)] HRESULT GetWebHyperlinkToObject( [in] BSTR bstrHierarchyID, [in] BSTR bstrPageContentObjectID, [out] BSTR* pbstrHyperlinkOut); }; [ odl, uuid(6D4B9C3E-CC05-493F-85E2-43D1006DF96A), helpstring("List of our Windows Interface"), dual, oleautomation ] interface Windows : IDispatch { [id(00000000), propget] HRESULT Item( [in] unsigned long Index, [out, retval] Window** Item); [id(0x00000001), propget] HRESULT Count([out, retval] unsigned long* Count); [id(0xfffffffc), propget] HRESULT _NewEnum([out, retval] IUnknown** _NewEnum); [id(0x00000003), propget] HRESULT CurrentWindow([out, retval] Window** ppCurrentWindow); }; [ odl, uuid(8E8304B8-CBD1-44F8-B0E8-89C625B2002E), helpstring("Window Interface"), dual, oleautomation ] interface Window : IDispatch { [id(00000000), propget] HRESULT WindowHandle([out, retval] uint64* pHWNDWindow); [id(0x00000001), propget] HRESULT CurrentPageId([out, retval] BSTR* pbstrPageObjectId); [id(0x00000002), propget] HRESULT CurrentSectionId([out, retval] BSTR* pbstrSectionObjectId); [id(0x00000003), propget] HRESULT CurrentSectionGroupId([out, retval] BSTR* pbstrSectionObjectId); [id(0x00000004), propget] HRESULT CurrentNotebookId([out, retval] BSTR* pbstrNotebookObjectId); [id(0x00000009)] HRESULT NavigateTo( [in] BSTR bstrHierarchyObjectID, [in, optional, defaultvalue("0")] BSTR bstrObjectID); [id(0x0000000a), propget] HRESULT FullPageView([out, retval] VARIANT_BOOL* pIsFullPageView); [id(0x0000000a), propput] HRESULT FullPageView(VARIANT_BOOL pIsFullPageView); [id(0x0000000b), propget] HRESULT Active([out, retval] VARIANT_BOOL* pIsActive); [id(0x0000000b), propput] HRESULT Active(VARIANT_BOOL pIsActive); [id(0x0000000d), propget] HRESULT DockedLocation([out, retval] DockLocation* pDockLocation); [id(0x0000000d), propput] HRESULT DockedLocation(DockLocation pDockLocation); [id(0x0000000e), propget] HRESULT Application([out, retval] IApplication** ppiApp); [id(0x0000000f), propget] HRESULT SideNote([out, retval] VARIANT_BOOL* pIsSideNote); [id(0x00000010)] HRESULT NavigateToUrl([in] BSTR bstrUrl); [id(0x00000011)] HRESULT SetDockedLocation( [in] DockLocation DockLocation, [in] tagPOINT ptMonitor); }; [ uuid(E2E1511D-502D-4BD0-8B3A-8A89A05CDCAE), helpstring("IOneNoteEvents Interface"), nonextensible ] dispinterface IOneNoteEvents { properties: methods: [id(0x00000001)] void OnNavigate(); [id(0x00000002)] void OnHierarchyChange([in] BSTR bstrActivePageID); }; [ uuid(D7FAC39E-7FF1-49AA-98CF-A1DDD316337E), version(1.0), helpstring("Application Class") ] coclass Application { [default] interface IApplication; [default, source] dispinterface IOneNoteEvents; }; typedef [uuid(D3F5A756-4BAC-4D3D-9BAF-90935121AAA6)] enum { hrMalformedXML = 0x80042000, hrInvalidXML = 0x80042001, hrCreatingSection = 0x80042002, hrOpeningSection = 0x80042003, hrSectionDoesNotExist = 0x80042004, hrPageDoesNotExist = 0x80042005, hrFileDoesNotExist = 0x80042006, hrInsertingImage = 0x80042007, hrInsertingInk = 0x80042008, hrInsertingHtml = 0x80042009, hrNavigatingToPage = 0x8004200a, hrSectionReadOnly = 0x8004200b, hrPageReadOnly = 0x8004200c, hrInsertingOutlineText = 0x8004200d, hrPageObjectDoesNotExist = 0x8004200e, hrBinaryObjectDoesNotExist = 0x8004200f, hrLastModifiedDateDidNotMatch = 0x80042010, hrGroupDoesNotExist = 0x80042011, hrPageDoesNotExistInGroup = 0x80042012, hrNoActiveSelection = 0x80042013, hrObjectDoesNotExist = 0x80042014, hrNotebookDoesNotExist = 0x80042015, hrInsertingFile = 0x80042016, hrInvalidName = 0x80042017, hrFolderDoesNotExist = 0x80042018, hrInvalidQuery = 0x80042019, hrFileAlreadyExists = 0x8004201a, hrSectionEncryptedAndLocked = 0x8004201b, hrDisabledByPolicy = 0x8004201c, hrNotYetSynchronized = 0x8004201d, hrLegacySection = 0x8004201e, hrMergeFailed = 0x8004201f, hrInvalidXMLSchema = 0x80042020, hrFutureContentLoss = 0x80042022, hrTimeOut = 0x80042023, hrRecordingInProgress = 0x80042024, hrUnknownLinkedNoteState = 0x80042025, hrNoShortNameForLinkedNote = 0x80042026, hrNoFriendlyNameForLinkedNote = 0x80042027, hrInvalidLinkedNoteUri = 0x80042028, hrInvalidLinkedNoteThumbnail = 0x80042029, hrImportLNTThumbnailFailed = 0x8004202a, hrUnreadDisabledForNotebook = 0x8004202b, hrInvalidSelection = 0x8004202c, hrConvertFailed = 0x8004202d, hrRecycleBinEditFailed = 0x8004202e, hrAppInModalUI = 0x80042030 } Error; [ uuid(DC67E480-C3CB-49F8-8232-60B0C2056C8E), version(1.0), helpstring("Application2 Class") ] coclass Application2 { [default] interface IApplication; [default, source] dispinterface IOneNoteEvents; }; }; So far, I didn't manage to be able to interact with it : There is my code (based on same issue someone had in 2011
      #AutoIt3Wrapper_UseX64=n #include <Array.au3> #include "AutoItObject\AutoItObject.au3" ;=============================================================================== ;interface "OneNoteIApplication" Global Const $sCLSID_OneNoteApplication = "{0039FFEC-A022-4232-8274-6B34787BFC27}" Global Const $sIID_IOneNoteApplication = "{2DA16203-3F58-404F-839D-E4CDE7DD0DED}" ; Definition Global $dtagIOneNoteWindows = $dtagIDispatch Global $dtagIOneNoteApplication = $dtagIDispatch & _ "GetHierarchy hresult(bstr;dword;bstr*);" & _ "UpdateHierarchy hresult(bstr);" & _ "OpenHierarchy hresult(bstr;bstr;bstr*;dword);" & _ "DeleteHierarchy hresult(bstr;double);" & _ "CreateNewPage hresult(bstr;bstr*;dword);" & _ "CloseNotebook hresult(bstr);" & _ "GetHierarchyParent hresult(bstr;bstr*);" & _ "GetPageContent hresult(bstr;bstr*;dword);" & _ "UpdatePageContent hresult(bstr;double);" & _ "GetBinaryPageContent hresult(bstr;bstr;bstr*);" & _ "DeletePageContent hresult(bstr;bstr;dword);" & _ "NavigateTo hresult(bstr;bstr;bool);" & _ "Publish hresult(bstr;bstr;dword;bstr);" & _ "OpenPackage hresult(bstr;bstr;bstr*);" & _ "GetHyperlinkToObject hresult(bstr;bstr;bstr*);" & _ "FindPages hresult(bstr;bstr;bstr*;bool;bool);" & _ "FindMeta hresult(bstr;bstr;bstr*;bool);" & _ "GetSpecialLocation hresult(dword;bstr*);" ; List Global $ltagIOneNoteApplication = $ltagIDispatch & _ "GetHierarchy;" & _ "UpdateHierarchy;" & _ "OpenHierarchy;" & _ "DeleteHierarchy;" & _ "CreateNewPage;" & _ "CloseNotebook;" & _ "GetHierarchyParent;" & _ "GetPageContent;" & _ "UpdatePageContent;" & _ "GetBinaryPageContent;" & _ "DeletePageContent;" & _ "NavigateTo;" & _ "Publish;" & _ "OpenPackage;" & _ "GetHyperlinkToObject;" & _ "FindPages;" & _ "FindMeta;" & _ "GetSpecialLocation;" ;=============================================================================== _AutoItObject_StartUp() Global $objOneNote = ObjCreate("OneNote.Application") Global $pOneNote = _AutoItObject_IDispatchToPtr($objOneNote) _AutoItObject_IUnknownAddRef($objOneNote) Global $oOneNote = _AutoItObject_WrapperCreate($pOneNote, $dtagIOneNoteWindows) ;~ Global $oOnenote = ObjCreateInterface($sCLSID_OneNoteApplication,$sIID_IOneNoteApplication,$dtagIOneNoteApplication,True) ;~ ; Check if object is created: If Not IsObj($oOneNote) Then MsgBox(48, "Error", "Object not created. Something is wrong.") Exit EndIf $aCall = $oOneNote.GetTypeInfoCount(0) $iTypeInfoCount = $aCall[1] ConsoleWrite("$iTypeInfoCount = " & $iTypeInfoCount & @CRLF) $Window = $oOneNote.Windows ;~ ConsoleWrite("Test = " & $Window.CurrentPageId & @CRLF) $str = "onenote:///R:\Software\OneNote%20EOD\EOD%20Scrum\Sprint%20136.one#section-id={D2EB7AEB-362B-490A-9CE0-0B9316DF0DAD}&end" $hBSTR = DllCall("oleaut32.dll", "ptr", "SysAllocString", "wstr", $str) $aCall = $oOnenote.NavigateToUrl($hBSTR[0])  
      Can someone help me to go in the good direction? I'm a little lost with what's needed, (CLSID and IID whereas I have only a UUID and can't find a good starting doc online)
      Thanks a lot,
       
    • zetaimmersion
      By zetaimmersion
      Hi all. 
      I am trying to do 2 things but i cannot seem to get any traction on how to read/implement this idea.
      Premise: PowerPoint file in C\temp\presentation.pptx that contains on the first slide 2 entries as "<one>" and "<two>" which need to be replaced with "user1" and "user2", then a silent Outlook send mail containing the file with a predefined body and subject.
      I narrowed it down to COM objects as the Office does not like intrusive open AutoIt functions. I installed OLE/COM Object Viewer to understand how to create the commands but i am still stuck. So far i am trying to user water's code but i suck
      COM object i was originally trying to modify
      Dim $oPPT, $oPres $oPPT = ObjCreate("PowerPoint.Application") $oPPT.Visible = True $oPres = $oPPT.Presentations.Read Water's code below (0.1% modified)
      #include <File.au3> #include "PowerPoint.au3" #include <misc.au3> Global $sFile = "C:\temp\presentation.pptx" Global $sString2Search = "<username>", $sString2Replace = "Password", $iReplaceOnce = 1, $sFullLogFile = "C:\temp\pptxlog.txt" _ProcessPpt($sFile) Func _ProcessPpt($sFile) $oApp = _PPT_PowerPointApp() Local $bChange = False Local $oInterface = $oApp.Presentations Local $oPresentation = $oInterface.Open($sFile, False, False, False) If @error Then _FileWriteLog($sFullLogFile, "E Error " & @error & " opening File " & $sFile) Return SetError(1, 0, 0) EndIf ;it does not even open my file and from here not sure how to read the text and replace it EndFunc ;==>_ProcessPpt  
    • YellowLab
      By YellowLab
      I am having a very unique, but repeatable problem with ImageMagick COM interface. Here are the applicable lines of code:
      $oIM=ObjCreate("ImageMagickObject.MagickImage.1")
      and then later on...
      $oIM.Convert(String($arFileList[$nFileIndex])&'[0]',"-alpha", "remove",@TempDir&"\temp.jpg")
      the array points to a pdf file with the "convert" command converting the first page of the pdf to a jpg with any alpha layer removed.
      Every time, without fail, the first time I run the script on a freshly booted machine it crashes on the $oIM.Convert command. It does this if it isn't compiled and says there is an error executing the command on the object. If compiled, i get an error that autoit has stopped responding. Anytime I run the script, compiled or not, after this initial crash everything works perfectly fine.
      I am totally at a loss as to why this is occurring and how to correct it.
    • Javik
      By Javik
      Is there a way to read data directly from the Windows Component Object Model (COM) interface?
      I am trying to make a really simple disk space reporter tool for accounts on an Active Directory domain, to read the disk quota limit for the logged on user's home directory, and report how much disk space they are currently using.
      ,
      MSDN:  IDiskQuotaUser interface
      https://msdn.microsoft.com/en-us/library/windows/desktop/aa365033(v=vs.85).aspx
      GetQuotaLimit
      GetQuotaUsed