When i open excel from qt programmatically, a window shows asking for microsoft office activation, then it is probably that which is blocking the access to the sheets. It is developed in crossplatform spirit so it may work on other systems but is not. Connecting qaxobject event with a parameter of type idispatch. Qt s activex framework dispatches the call through the idispatch interface provided by the activex control after doing the type conversions. To build the activex server executable run qmake to generate the makefile, and use your compilers make tool as for any other qt application. Scripting com objects embedded using these classes is possible through the qaxscript. The qaxcontainer module is part of the activeqt framework. Got this solved using the generatedocumentation function i was using this activex control in another application, but an mfc one. It is built on microsoft com and defines one set of interfaces for applications that use components and another set of interfaces for applications and libraries that provide components. The iwebbrowser2 interface inherits from the idispatch interface. In the standard mfc framework application either sdi or mdi based, the view object is commonly derived from a specialized set of classes. Not working, but i think i understood what is the problem it works with vba though. Using activex controls and com in qt the qaxcontainer module is part of the activeqt framework. Supported com datatypes are listed in the first column of following table.
Exposes methods that are implemented by the webbrowser control microsoft activex control or implemented by an instance of the internetexplorer application ole automation. Dumpcpp utility generates incorrect header qt bug tracker. Activex the qaxcontainer module is part of the qt desktop edition for windows. Qt can be used commercially via dynamic linking lgpl v3 or custom commercial terms with the qt company. The errors are during activex operations but are normal errors which. Clientcontrolgetserverconnection is a member function, what do you mean by the actual code.
Qtbug65344 powerpoint application and pdf export qt. Using the library to build qt applications that can host com objects and activex controls link the application against the qaxcontainer module by adding. But no tutorialswiki were available on this subject. The second column is the qt type that can be used with the qobject property.
Hwnd or the idispatch ole automation pointer in qt activex widget. Qt, qt quick and the supporting tools are developed as an open source project governed by an inclusive meritocratic model. While working on an assignment i was told to read the excel and read an image ole object in excel. The activeqt modules are part of the qt commercial edition and the open source versions of qt. Get the idispatch interface of an activex control qt centre. It provides a library implementing a qwidget subclass, qaxwidget, that acts as a container for activex controls, and a qobject subclass, qaxobject, that can be used to easily access nonvisual com objects. To build qt applications that can host com objects and activex controls link the application against the qaxcontainer module by adding. The activeqt framework will expose properties and public slots as activex properties and methods, and signals as activex events, and convert between the qt data types and the equivalent com data types. This class provides the api to access the com object directly through its iunknown implementation. Namenotfoundexception thrown by implicit super construct. The make process will also register the controls in the system registry by calling the resulting executable with the regserver command line option.
Vlcqt is a free library used to connect qt and libvlc libraries. It is only available in the commercial version of pyqt for windows. I have an activex component in my qt application which displays some graphs iocomp for instance. Problem with deploying openssl with my qt application on. Detailed description the qaxbase class is an abstract class that provides an api to initialize and access a com object qaxbase is an abstract class that cannot be used directly, and is instantiated through the subclasses qaxobject and qaxwidget. I am trying to use activeqt library to handle an activex. It contains core classes for main media playback and also some gui classes for faster media player development. The qaxcontainer module provides classes for accessing activex controls and com objects. To build qt applications that can host com objects and activex controls link the application. Microsofts activex technology allows applications to incorporate user interface components provided by other applications or libraries. The third column is the qt type that is used in the prototype of. Qt tool uses activex qaxwidget class and uuid to connect with. Some com types have no equivalent qt data structure. The qaxcontainer module is a windowsonly extension for accessing activex controls and com objects.
Net framework version of this control, see webbrowser control windows forms. I started searching in the web and got some snippets to read the excel sheet. A qaxbase dynamiccall failed the function prototype was correct, but too few parameters. If a lot of calls need to be made it may be inefficient to use the dynamiccall approach. Some example applications that use standard activex controls to provide highlevel user interface functionality are provided. It provides a library implementing a qwidget subclass, qaxwidget, that acts as a container for activex controls, and a qobject subclass, qaxobject, that can be used to easily access nonvisual. Tech support scams are an industrywide issue where scammers trick you into paying for unnecessary technical support services. Vlcqt runs on supported versions of linux, macos and windows. Activex connection between map info and qt ui mapinfo pro. If the control has a programming error only the server process running the control will crash, and the client application will probably continue to run. Activex servers written with qt can use qt either as a shared library, or have qt linked statically into the binary. You can help protect yourself from scammers by verifying that the contact is a microsoft agent or microsoft employee and that the phone number is an official microsoft global customer service number. I am not familiar with qaxwidget, so dont know if this will solve your problem. Check your options in the dropdown menu of this sections header.
Both ways will produce rather large packages either the server binary itself becomes large, or you have to ship the qt dll. Im not familiar with idl, and its provided by a sdk, i will try to find out how to use it. These classes, all derived from cview, provide specialized functionality beyond that provided by cview. Activeqt provides a qt api to the com object, and replaces com datatypes. Qts activex framework dispatches the call through the idispatch interface provided by the activex control after doing the type conversions. The qt data types that are supported for properties are. It seems the function names i was referring to which were in a machine generated idispatch wrapper class created by vs were not the same as the ones qt listed. The qaxcontainer module is part of the qt desktop edition for windows.
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