WebOct 4, 2012 · - wchar_t versions (WCHAR, LPCWSTR, LPWSTR) Unless you want to convert between different char types in your program, I suggest you just use the function/struct that takes whatever form of string you're using. The "normal" name for functions/structs take TCHARs. Add an 'A' to the end for the char version, and add a 'W' … WebDec 13, 2024 · You probably have UNICODE activated so OPENFILENAME becomes OPENFILENAMEW, not OPENFILENAMEA which is why your ofn.lpstrFilter = filter.c_str (); fails. lpstrFilter is a wchar_t* in the W version. You should probably stick with UNICODE and change to use std::wstring s which is gets you the best access to the WinAPI.
c++ - Cannot convert from
WebNov 16, 2024 · error: cannot convert 'wchar_t' to 'LPCSTR' {aka 'const char'} serialPort = CreateFile(portSpecifier,GENERIC_READ GENERIC_WRITE,0,NULL,OPEN_EXISTING,0,NULL); I've read it should have something to do with Windows and UNICODE or ASCII. I made sure Atom uses UNICODE by pressing ctrl+shift+U and selecting UTF-8. I tried to #define … Webwstring str = my_stringstream.str (); LPWSTR str = const_cast (str.c_str ()); Note that you do not want to do const_cast (my_stringstream.str ().c_str ()) (unless you are passing that to a function) because that will create a temporary string object, get it's pointer, convert it to a LPWSTR and then the temporary string you get ... open text file in google colab
C++: convert LPTSTR to char array - Stack Overflow
WebSep 22, 2024 · WCHAR [256] is an array of 256 WCHAR, and WCHAR is a single WCHAR. Both are types. Once you have the difference figured out the second problem will be that you cannot return an array from a function in C++. I'm thinking you need to spend a bit more time of the basics of C++, – john Sep 22, 2024 at 13:56 2 WebOct 13, 2010 · I guess you're compiling with Unicode enabled. Then with char argv[], argv is a char array, so argv[1] is a char, and CreateFile wants a const wchar_t* as first parameter, not a char. That said, your main definition is also broken, it should have char* argv[]. With that change, you can call CreateFileA. WebJul 7, 2015 · This API is part of python 3.0 and above and in my knowledge, there's no easy way to get this done. However, I think, you can try converting the argv to a w_char ** and then call PySys_SetArgv (). mbstowcs () may come handy in this case. For example, some pseudo-code (not tested) will look like ipchanger armia ots