打印数据到消息框

#include <windows.h> #include <tchar.h> #include <stdio.h> int CDECL MessageBoxPrintf(TCHAR * szCaption, TCHAR * szFormat, ...) { TCHAR szBuffer[1024]; //指向格式化参数的数组指针 va_list pArgList; //pArgList指向szFormat的尾端 va_start(pArgList, szFormat); //格式化字符串并传到缓冲区 _vsntprintf(szBuffer,sizeof(szBuffer) / sizeof(TCHAR) ,szFormat,pArgList); va_end(pArgList); return MessageBox(NULL,szBuffer,szCaption,1); } int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance , LPSTR lpCmdLine, int nShowCmd ) { int cxScreen,cyScreen; cxScreen = ::GetSystemMetrics(SM_CXSCREEN); cyScreen = ::GetSystemMetrics(SM_CYSCREEN); MessageBoxPrintf(TEXT("ScmSize") ,TEXT("The Screen is %i pixels wide by %i pixels high."), cxScreen,cyScreen); return 0; }