I use the code from the following article to allow only a single instance of my programs (mostly written using Qt Framework) to run on Windows. Some programs (specially the ones which connect to a specific type of hardware or resource) need this limitation to avoid conflicts.
Please also note that this code is specific to Windows.
Continue reading “How to limit 32-bit applications to one instance in Visual C++ (with or without Qt)”
I keep the following notes (steps) as a personal guideline for building Qt Statically using Microsoft Visual C++ and I never fail to do it but please keep in mind that these are NOT some exact steps and they need to be changed (slightly though 🙂 ) in some cases. Leave comments if you have any questions.
I have used Qt 5.4.0 with Microsoft Visual C++ 2010 (MSVC2010) but it is more or less the same for similar compilers and others Qt versions.
Continue reading “Build Qt-Static using MSVC2010”
This function can be used to get an EXE file version. I use this class in almost all of my programs to add EXE version to Main window title.
Continue reading “Get EXE version using Windows API in Qt”
Class below allows catching of Exceptions in Qt. Paste all code below into a header and use this class instead of QApplication in your main function.
Continue reading “Qt class for catching exceptions (QExSafeApplication)”