diff options
Diffstat (limited to 'doc/codesnippets/doc/src/snippets/code/src_corelib_plugin_qlibrary.cpp')
-rw-r--r-- | doc/codesnippets/doc/src/snippets/code/src_corelib_plugin_qlibrary.cpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_plugin_qlibrary.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_plugin_qlibrary.cpp new file mode 100644 index 000000000..06590610c --- /dev/null +++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_plugin_qlibrary.cpp @@ -0,0 +1,44 @@ +//! [0] +QLibrary myLib("mylib"); +typedef void (*MyPrototype)(); +MyPrototype myFunction = (MyPrototype) myLib.resolve("mysymbol"); +if (myFunction) + myFunction(); +//! [0] + + +//! [1] +typedef void (*MyPrototype)(); +MyPrototype myFunction = + (MyPrototype) QLibrary::resolve("mylib", "mysymbol"); +if (myFunction) + myFunction(); +//! [1] + + +//! [2] +typedef int (*AvgFunction)(int, int); + +AvgFunction avg = (AvgFunction) library->resolve("avg"); +if (avg) + return avg(5, 8); +else + return -1; +//! [2] + + +//! [3] +extern "C" MY_EXPORT int avg(int a, int b) +{ + return (a + b) / 2; +} +//! [3] + + +//! [4] +#ifdef Q_WS_WIN +#define MY_EXPORT __declspec(dllexport) +#else +#define MY_EXPORT +#endif +//! [4] |