《windows程序设计》（二）-------UNICODE字符集

#include <windows.h>#ifndef UNICODE#define UNICODE#endifint GetStrArrLen(int count, ...);int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nShowCmd){TCHAR str[30] = {NULL};LPTSTR pSzStrArr[5] = {NULL};#ifdef UNICODEpSzStrArr[0] = TEXT("Unicode character set!/n/r");#elsepSzStrArr[0] = TEXT("ANSI character set!/n/r");#endifpSzStrArr[1] = lpCmdLine;pSzStrArr[2] = new TCHAR[GetStrArrLen(2, pSzStrArr[0], pSzStrArr[1]) + 1];lstrcpy(pSzStrArr[2], pSzStrArr[0]);lstrcat(pSzStrArr[2], pSzStrArr[1]);pSzStrArr[3] = str;wsprintf(pSzStrArr[3], TEXT("/n/r/n/r Total character number: %i"), lstrlen(pSzStrArr[2]));pSzStrArr[4] = new TCHAR[GetStrArrLen(2, pSzStrArr[2], pSzStrArr[3]) + 1];lstrcpy(pSzStrArr[4], pSzStrArr[2]);lstrcat(pSzStrArr[4], pSzStrArr[3]);::MessageBox(NULL, pSzStrArr[4], TEXT("MessageBox"), MB_DEFBUTTON2 | MB_ICONINFORMATION | MB_ABORTRETRYIGNORE);delete [] pSzStrArr[2];delete [] pSzStrArr[4];return 0;}int GetStrArrLen(int count, ...){int len = 0;va_list pStack;va_start(pStack, count);for (int i = 0; i < count; ++i)len += lstrlen(va_arg(pStack, TCHAR*));va_end(pStack);return len;}

执行结果如下：