c++builder

If I have the following code: { UnicodeString sFish = L"FISH"; char *szFish = AnsiString(sFish).c_str(); CallFunc(szFish); } Then what is the scope of the temporary AnsiString that's created, and for how long is szFish pointing to valid data? Will it still be valid for the CallFunc function? Will it's scope last just the one line, or for the whole block? The C++11 standard $12.2.3 says: When an implementation introduces a temporary object of a class that has a non-trivial constructor (12.1, 12.8), it shall ensure that a constructor is called for the temporary object. Similarly, the destructor

I use GetWindowRect in my program to get the coordinates of a window on the desktop. This works fine on a dozen or so PCs I have here for testing (XP-W8.1) but not on my one W10 PC with touch screen: the coordinates have an offset to the top-left. I googled both for a bug in Windows 10 and for something monitor related but cannot find anything, yet this seems like a commonly used function and the problem is easy to reproduce. Anyone got any clues? Code, simplified: hwnd = FindWindow(NULL, windowname); if (hwnd) { TRect r; GetWindowRect(hwnd, &r); } HWND hdt = GetDesktopWindow(); HDC dcdt =

Is there a way to compile a C++Builder project (a specific build configuration) from the command line? Something like: CommandToBuild ProjectNameToBuild BuildConfiguration ... David Dean Use: msbuild project.cbproj /p:config=[build configuration] More specifics can be found in Building a Project Using an MSBuild Command . Sergey Karpukhin There are different ways for automating your builds in C++Builder (as of my experience, I'm speaking about old C++Builder versions like 5 and 6 ). You can manually call compilers - bcc32.exe (also dcc32.exe , brcc32.exe and tasm32.exe if you have to compile

I am using C++ Builder and have the following question: I am wanting to detect if a date/time is later than another date/time, and by how much. Here is my current code: TDateTime testFirstDate("11/09/2012"); TDateTime testFirstTime("14:00"); TDateTime testSecondDate("12/09/2012"); TDateTime testSecondTime("16:00"); TDateTime testCombined1 = testFirstDate + testFirstTime; TDateTime testCombined2 = testSecondDate + testSecondTime; TDateTime testDateDifference = testSecondDate - testFirstDate; std::cout << testDateDifference; In the above example, the following gets printed out: 31/12/1899 The

My company's main application is mostly written in C++ (with some Delphi code and components). We are upgrading from RAD Studio 2007 to 2010 for the next release, starting in about a week. What do I need to know to ensure this upgrade goes smoothly? Points I have thought of so far are: Unicode. This one looks really complicated. Our app contains a horrible mix of std::string-s and AnsiString-s with casts to and from them. I have lots of questions about this, such as "is wstring capable of holding everything a UnicodeString can, and should we just do a search/replace", or "should we avoid all C