#include <windows.h>
#include <tchar.h>
#include <stdio.h>
int CDECL MessageBoxPrintf(TCHAR * szCaption, TCHAR * szFormat,...)  //这三个点是此处省略XX字的意思吗？C语言有这么骚的操作吗？
{
    TCHAR szBuffer [1024];
    va_list pArgList;
    va_start(pArgList,szFormat);
    _vsntprintf(szBuffer,sizeof(szBuffer)/sizeof(TCHAR),szFormat,pArgList);
    va_end(pArgList);
    return MessageBox(NULL,szBuffer,szCaption,0);
}

int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,
                    PSTR szCmdLine,int iCmdShow)
{
    int cxScreen,cyScreen;
    cxScreen=GetSystemMetrics(SM_CXSCREEN);
    cyScreen=GetSystemMetrics(SM_CYSCREEN);
    MessageBoxPrintf(TEXT("ScrnSize"),
                    TEXT("The screen is %i pixels wide by %i pixels high."),
                    cxScreen,cyScreen);
    return 0;
}

多谢