WebJul 16, 2012 · So, in ANSI/MBCS builds, LPTSTR expands to char*; in Unicode builds it expands to wchar_t*. char ch[MAX_PATH] is an array of char 's in both ANSI and Unicode builds. If you want to convert from a TCHAR string ( LPTSTR ) to an ANSI/MBCS string ( char -based), you can use ATL string conversion helpers , e.g.: 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.
cannot convert
WebDec 10, 2024 · A problem about char and wchar_t. HeW 1. Dec 10, 2024, 9:11 AM. I wanna add some sounds in my programme,so I used the "PlaySound". But the problem is this. Image is no longer available. (I include the"windows.h". I use MinGW64) And then it says "cannot convert 'const wchar_t*' to 'LPCTSTR {aka const char*}' in initialization". WebMar 28, 2014 · 1 If you are NOT including AtlBase.h or AtlConv.h headers, #include LPCSTR lpcszTemp = "Hello World" ; int wchars_num = MultiByteToWideChar ( CP_UTF8 , 0 , lpcszTemp , -1, NULL , 0 ); WCHAR* wstr = new WCHAR [wchars_num]; MultiByteToWideChar ( CP_UTF8 , 0 , lpcszTemp , -1, wstr , wchars_num ); // ...Other … graphormer tensorflow
Converting from const char * to LPTSTR without …
WebFeb 22, 2014 · Don't do that; it's not a solution. If the parameter is non-const, it means the function can change it. You don't want it changing a string's c_str(). Give the function … 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 ... graph options in tableau