//Листинг 6.3. Измерение времени выполнения потока

#include "process.h"
unsigned __stdcall MyThread(void* param)
{
for (int i = 0; i < 10000000; i++); return 0;
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
   PAINTSTRUCT ps;
   HDC hdc;
   HANDLE hThread;
   LARGE_INTEGER Create, Exit, kernel, user;
   static __int64 kernelTime, userTime, totalTime;
   TCHAR str[256];
   RECT rt;
   switch (message)
   {
   case WM_COMMAND:
      switch (LOWORD(wParam))
      {
	  case ID_THREAD:
         hThread = (HANDLE) _beginthreadex(NULL,0,MyThread,NULL,0,NULL);
		 WaitForSingleObject(hThread, INFINITE);
         GetThreadTimes(hThread, (FILETIME *)&Create.u,
         (FILETIME *)&Exit.u, (FILETIME *)&kernel.u, (FILETIME *)&user.u);
         CloseHandle(hThread);
         kernelTime = kernel.QuadPart;
		 userTime = user.QuadPart;
         totalTime = Exit.QuadPart - Create.QuadPart;
         InvalidateRect(hWnd, NULL, TRUE);
         break;

      case IDM_EXIT: DestroyWindow(hWnd); break;
      default: return DefWindowProc(hWnd, message, wParam, lParam);
      }
      break;
   case WM_PAINT:
      GetClientRect(hWnd, &rt);
      hdc = BeginPaint(hWnd, &ps);
      _stprintf(str, _T("kernelTime = %I64d\nuserTime = %I64d\ntotalTime\
      = %I64d"), kernelTime, userTime, totalTime);
      DrawText(hdc, str, _tcslen(str), &rt, DT_LEFT);
      EndPaint(hWnd, &ps);
      break;
   case WM_DESTROY: PostQuitMessage(0); break;
   default: return DefWindowProc(hWnd, message, wParam, lParam);
   }
   return 0;
}