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MSVC_example_GetAllocLength
//Microsoft (R) C/C++ Optimizing Compiler Version 19.00.23506 for x64 #include <iostream> #include <atlsimpstr.h> #include <atlstr.h> int main() { std::cout << "Hello, world!\n"; CString str("dummy"); /* 5 chars + '\0' => bufsize=6 */ _tprintf_s(_T("String length: %d\n"), str.GetLength()); /* reports 5 */ _tprintf_s(_T("Allocated length: %d\n"), str.GetAllocLength()); /* reports 7 */ str.Preallocate(100); _tprintf_s(_T("Allocated length: %d\n"), str.GetAllocLength()); /* reports 103 */ }
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