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Questions tagged [qaxobject]

QAxObject is a class from the Qt Toolkit which provides a QObject that wraps a COM object.

Documentation can be found here (Qt4) and here (Qt5).

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Qt ActiveX data types

I am developing a C++/Qt application that communicates with an ActiveX server. I try to use a function that returns a reference to an array of floats as a parameter. The function prototype is: Frequencies([in, out] SAFEARRAY(float)*) My code…
Maxbester
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How to Apply a color to excel cell using Qt?

I am new to Qt . I have written a program to read and write datas from excel file. void Excel::Color(const QString& Sheet_Name,const QString& cell,const QString& color_Name) { QAxObject* Worksheet =…
Dev
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How to set value in a cell using QtActive

i am trying to put the values into an excel sheet through QtActive's QAxObject. i succeeded upto getting a work sheet. Now the win32 API to set the value for a cell is Some_Excel_Object xx=worksheet->Cells(); xx->item[row][column] = 5; Here i got…
prabhakaran
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Prevent application crash when excel is not installed while writing qt activex excel read/write codes

I'm using Qt activex (QAxObject) in order to read/write excel files. QAxObject* excel = new QAxObject( "Excel.Application", 0 ); QAxObject* workbooks = excel->querySubObject( "Workbooks" ); QAxObject* workBook = workbooks->querySubObject("Open(const…
Mosi
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Qt ActiveX QAxObject format Excel cell comment

I would like to format an Microsoft Excel 2010 cell comment (e.g. change font, boldness, ..) using Qt 5. I can add an comment to a cell using the following code: QAxObject* cellRange = m_activeWorksheet->querySubObject("Cells(int, int)", row,…
Michael Hilbert
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QAxObject -- not creating excel in right format

I am working with QAxObject and able to open existing file & read different sheets & cells. But when i am creating a new excel file using QAxObject. It is creating the test_1.xls file. But when i open this file it gives me error. I am using…
Katoch
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How get cell hyperlink address from Excel?

To read text from cell I use this: QAxObject *e = new QAxObject("Excel.Application"); QAxObject *wbooks = e->querySubObject("Workbooks"); QAxObject *wbook = wbooks->querySubObject("Open(const QString&)", "somefile.xls"); QAxObject *s =…
Nineduck
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QThread doesn't start

Sorry for the length of this post. But I am stuck for two days now.... I am working on a Qt 4.6 Windows application that communicates with a hardware device through ActiveX. When I send a command, the device does some stuff and when it's done (can…
Maxbester
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Export PDF file from Excel template with Qt and QAxObject

The project I am currently working on is to export an Excel file to PDF. The Excel file is a "Template" that allows the generation of graphs. The goal is to fill some cells of the Excel file so that the graphs are generated and then to export the…
falcon
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Is it possible to chain nested commands within QAxObject?

I am wondering if is it possible to do some chaining of commands/actions inside the QAxObject. For example to change the Cell color in Excel, I need to do something like this: QAxObject* cell =…
lucky62
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QT Change color of cell content in excel

How to change color of a cell content in an excel sheet in QT? I know we can change background of a cell , change font of cell contents, change style of cell content. For ex : QAxObject *fontproperty =…
Sapna Kumari
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How to read Internet header of and email in outlook

I try to read an email Internet headers that we can view it in email properties in outlook app I ask if there is an option so I can get this I use this code to read the emails in outlook Outlook::Application outlook; if (!outlook.isNull()) { …
user7179690
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connect Qt and Matlab via ActiveX

I have connected Qt to Matlab via ActiveX. So, now I can execute scripts which is written in Qt GUI. However I have faced to problems. How do I know that user closed Matlab manually by clicking close button? Sometimes I send scripts with…
lnk
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(Qt) QAxObject: Add Excel worksheet

I have a Qt application working with Excel, and I want to add a worksheet to a document. The simpliest solution is just call QAxObject *sheets = workbook->querySubObject("Worksheets"); sheets->dynamicCall("Add()"); But this way you'll add a sheet…
Kirill Yurchenko
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How to call function from COM correctly in QT?I

I want to call a function from COM like this: long func(int count,Variant *buffer); Programmers should allocate float array and deliver the pointer and length to function func. What I do is like this: QAxobject myCom; float[1024]…
huaxz1986
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