win32系统信息获取

 #include <Windows.h>
 #include "resource.h"
 #include <strsafe.h>

 PTSTR BigNumToString(LONG lNum, PTSTR szBuf, DWORD chBufSize)
 {
     TCHAR szNum[];
     StringCchPrintf(szNum,_countof(szNum),TEXT("%d"),lNum);

     NUMBERFMT nf;
     nf.NumDigits = ;
     nf.LeadingZero = FALSE;
     nf.Grouping = ;
     nf.lpDecimalSep = TEXT(".");
     nf.lpThousandSep = TEXT(",");
     nf.NegativeOrder = ;
     GetNumberFormat(LOCALE_USER_DEFAULT,,szNum,&nf,szBuf,chBufSize);

     return szBuf;
 }

 INT_PTR CALLBACK MainDlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
 {
     BOOL bRet = TRUE;

     switch(uMsg)
     {
     case WM_INITDIALOG:

         SYSTEM_INFO sinf;
         GetSystemInfo(&sinf);

         TCHAR szBuf[];

         SetDlgItemText(hDlg,IDC_PAGESIZE,BigNumToString(sinf.dwPageSize,szBuf,_countof(szBuf)));

         StringCchPrintf(szBuf,_countof(szBuf),TEXT("%p"),sinf.lpMinimumApplicationAddress);
         SetDlgItemText(hDlg,IDC_MINAPPADDR,szBuf);
         StringCchPrintf(szBuf,_countof(szBuf),TEXT("%p"),sinf.lpMaximumApplicationAddress);
         SetDlgItemText(hDlg,IDC_MAXAPPADDR,szBuf);

         SetDlgItemText(hDlg,IDC_ALLOCGRAN,BigNumToString(sinf.dwAllocationGranularity,szBuf,_countof(szBuf)));

         break;
     case WM_CLOSE:
         EndDialog(hDlg,);
         break;
     default:
         bRet = FALSE;
         break;
     }

     return bRet;
 }

 int APIENTRY wWinMain(HINSTANCE hInstance,
     HINSTANCE hPrevInstance,
     LPTSTR lpCmdLine,
     int nCmdShow)
 {
     DialogBox(hInstance,MAKEINTRESOURCE(IDD_MAIN),NULL,MainDlgProc);
     return ;
 }