Qt activex idispatch error

Activex connection between map info and qt ui mapinfo pro. It is developed in crossplatform spirit so it may work on other systems but is not. The iwebbrowser2 interface inherits from the idispatch interface. Not working, but i think i understood what is the problem it works with vba though.

Exposes methods that are implemented by the webbrowser control microsoft activex control or implemented by an instance of the internetexplorer application ole automation. Vlcqt is a free library used to connect qt and libvlc libraries. 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. 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. The qaxcontainer module is a windowsonly extension for accessing activex controls and com objects. Supported com datatypes are listed in the first column of following table. Qt, qt quick and the supporting tools are developed as an open source project governed by an inclusive meritocratic model. Activex the qaxcontainer module is part of the qt desktop edition for windows. The qt data types that are supported for properties are. I started searching in the web and got some snippets to read the excel sheet. It is only available in the commercial version of pyqt for windows. But no tutorialswiki were available on this subject. Problem with deploying openssl with my qt application on.

Qtbug65344 powerpoint application and pdf export qt. 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. Qt s activex framework dispatches the call through the idispatch interface provided by the activex control after doing the type conversions. Microsofts activex technology allows applications to incorporate user interface components provided by other applications or libraries. Dumpcpp utility generates incorrect header qt bug tracker. I have an activex component in my qt application which displays some graphs iocomp for instance. In the standard mfc framework application either sdi or mdi based, the view object is commonly derived from a specialized set of classes. While working on an assignment i was told to read the excel and read an image ole object in excel. 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. Both ways will produce rather large packages either the server binary itself becomes large, or you have to ship the qt dll. The qaxcontainer module is part of the activeqt framework. Scripting com objects embedded using these classes is possible through the qaxscript. If a lot of calls need to be made it may be inefficient to use the dynamiccall approach. Qt can be used commercially via dynamic linking lgpl v3 or custom commercial terms with the qt company.

I am trying to use activeqt library to handle an activex. Using the library to build qt applications that can host com objects and activex controls link the application against the qaxcontainer module by adding. Activex servers written with qt can use qt either as a shared library, or have qt linked statically into the binary. The qaxcontainer module provides classes for accessing activex controls and com objects.

Some com types have no equivalent qt data structure. 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. To build qt applications that can host com objects and activex controls link the application. It contains core classes for main media playback and also some gui classes for faster media player development. The errors are during activex operations but are normal errors which.

To build the activex server executable run qmake to generate the makefile, and use your compilers make tool as for any other qt application. Qts activex framework dispatches the call through the idispatch interface provided by the activex control after doing the type conversions. 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. Im not familiar with idl, and its provided by a sdk, i will try to find out how to use it. To build qt applications that can host com objects and activex controls link the application against the qaxcontainer module by adding. 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. Tech support scams are an industrywide issue where scammers trick you into paying for unnecessary technical support services. Get the idispatch interface of an activex control qt centre. The qaxcontainer module is part of the qt desktop edition for windows. Qt tool uses activex qaxwidget class and uuid to connect with. These classes, all derived from cview, provide specialized functionality beyond that provided by cview. Net framework version of this control, see webbrowser control windows forms. The make process will also register the controls in the system registry by calling the resulting executable with the regserver command line option. Vlcqt runs on supported versions of linux, macos and windows.

Using activex controls and com in qt the qaxcontainer module is part of the activeqt framework. 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. Clientcontrolgetserverconnection is a member function, what do you mean by the actual code. Got this solved using the generatedocumentation function i was using this activex control in another application, but an mfc one. I am not familiar with qaxwidget, so dont know if this will solve your problem. This class provides the api to access the com object directly through its iunknown implementation. The second column is the qt type that can be used with the qobject property. The third column is the qt type that is used in the prototype of.

Hwnd or the idispatch ole automation pointer in qt activex widget. Activeqt provides a qt api to the com object, and replaces com datatypes. A qaxbase dynamiccall failed the function prototype was correct, but too few parameters. Namenotfoundexception thrown by implicit super construct. Check your options in the dropdown menu of this sections header. Connecting qaxobject event with a parameter of type idispatch. The activeqt modules are part of the qt commercial edition and the open source versions of qt. Some example applications that use standard activex controls to provide highlevel user interface functionality are provided. 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.