See also Q_DECL _EXPORT and Creating Shared Libraries. It is usually used with libraries to define those functions which need to be exported from the library, in order to be imported (used) by other libraries or by executables. I have not seen this with a main function so far, but that could be a.
Subsequently imported when you are linking against the library. This can be done using Q_DECL_EXPORT and Q_DECL_IMPORT as shown in the following example: test.h. include if defined MAKE_TEST_LIB; #define TEST_LIB_EXPORT Q_DECL_EXPORT else; #define TEST_LIB_EXPORT Q_DECL_IMPORT endif; class TEST_LIB_EXPORT Widget : public QWidget {.
C++ (Cpp) QDeclarativeEngine – 30 examples found. These are the top rated real world C++ (Cpp) examples of QDeclarativeEngine extracted from open source projects. You can rate examples to help us improve the quality of examples .
I struggled to get a simple procedure to export correctly, for example : @extern C MYDLLSHARED_EXPORT int __stdcall AddIntegers(int left, int right);@ where MYDLLSHARED_EXPORT is the thing defined in MyDLL_global.h as Q_DECL _EXPORT (auto generated by Qt Creator when I selected to create a library).
How to create a library with Qt and use it in an … – Qt Wiki, – Global Qt Declarations | Qt Core 5.15.1, – Global Qt Declarations | Qt Core 5.15.1, Exporting from a DLL Using __declspec(dllexport …
For example , the Q_CC_SUN macro is defined if the application is compiled using Forte Developer, or Sun Studio C++. The header file also declares a range of macros (Q_OS_*) that are defined for the specified platforms. For example , Q_OS_UNIX which is defined for the Unix-based systems.
In this article. You can export data, functions, classes, or class member functions from a DLL using the __declspec(dllexport) keyword.__declspec(dllexport) adds the export directive to the object file so you do not need to use a .def file. This convenience is most apparent when trying to …
