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  1. #include <windows.h>
  2. #include <stdio.h>
  3. #define ID_TIMER 1
  4. #define ID_SECONDS 2
  5. #define ID_MINUTES 3
  6. #define ID_HOURS 4
  7.  
  8. const char classname[] = "someClassName";
  9. LPCSTR lpcClassname = "wind title";
  10. int timer[3] = {0, 0, 0};
  11.  
  12. LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
  13.  
  14.  
  15. int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, // inchide ochii si imagineaza int main()
  16.     LPSTR lpCmdLine, int nCmdShow)
  17. {
  18.     WNDCLASSEX wc;
  19.     HWND hwnd;
  20.     MSG msg;
  21.  
  22.     wc.cbSize = sizeof(WNDCLASSEX);
  23.     wc.style = CS_HREDRAW | CS_VREDRAW;
  24.     wc.lpfnWndProc = WndProc;
  25.     wc.cbClsExtra    = 0;
  26.     wc.cbWndExtra    = 0;
  27.     wc.hInstance     = hInstance;
  28.     wc.hIcon         = LoadIcon(NULL, IDI_APPLICATION);  
  29.     wc.hCursor       = LoadCursor(NULL, IDC_ARROW);
  30.     wc.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
  31.     wc.lpszMenuName  = NULL;
  32.     wc.lpszClassName = classname;
  33.     wc.hIconSm       = LoadIcon(NULL, IDI_APPLICATION);
  34.  
  35.  
  36.       if(!RegisterClassEx(&wc))
  37.     {
  38.         MessageBox(NULL, "Window Registration Failed!", "Error!",
  39.             MB_ICONEXCLAMATION | MB_OK);
  40.         return 0;
  41.     }
  42.  
  43.  
  44.    
  45.     hwnd = CreateWindowEx(
  46.         WS_EX_OVERLAPPEDWINDOW,
  47.         classname,
  48.         lpcClassname,
  49.         WS_OVERLAPPED | WS_SYSMENU | WS_MINIMIZEBOX,  
  50.         CW_USEDEFAULT,
  51.         CW_USEDEFAULT,
  52.         850,
  53.         500,
  54.         NULL,
  55.         NULL,
  56.         hInstance,
  57.         NULL );
  58.  
  59.      if(hwnd == NULL)  
  60.     {
  61.         MessageBox(NULL, "Window Creation Failed!", "Error!",
  62.             MB_ICONEXCLAMATION | MB_OK);
  63.         return 0;
  64.     }
  65.  
  66.     ShowWindow(hwnd, nCmdShow);
  67.     UpdateWindow(hwnd);
  68.  
  69.  
  70.    
  71.      while(GetMessage(&msg, NULL, 0, 0) > 0)
  72.     {
  73.         TranslateMessage(&msg);
  74.         DispatchMessage(&msg);
  75.     }
  76.  
  77.     return msg.wParam;
  78. }
  79.  
  80.  
  81.  
  82. LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
  83. {
  84.     char cTime[16];
  85.     char cDate[10];
  86.     char cTrecut[14];
  87.     char cText[] = "some text";
  88.     char cText2[] = "s";
  89.  
  90.     RECT rect;
  91.  
  92.     switch(msg)
  93.     {
  94.         case WM_PAINT:
  95.         {
  96.             HDC hdc;
  97.             PAINTSTRUCT ps;
  98.  
  99.             SYSTEMTIME st;
  100.  
  101.             hdc = BeginPaint(hwnd, &ps);
  102.             GetLocalTime(&st);
  103.  
  104.             SelectObject(hdc, CreateFont(40, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL))  ;
  105.  
  106.             sprintf(cTime, "%03d:%02d:%02d", st.wHour, st.wMinute, st.wSecond);
  107.             sprintf(cDate, "%02d.%02d.%02d", st.wDay, st.wMonth, st.wYear);
  108.             sprintf (cTrecut, "%02d : %02d : %02d", timer[0], timer[1], timer[2]);
  109.  
  110.             TextOut(hdc, 290, 20, cText, sizeof(cText));
  111.             TextOut(hdc, 353, 60, cTime, sizeof(cTime));
  112.             TextOut(hdc, 348, 100, cDate, sizeof(cDate));
  113.             TextOut(hdc, 200, 250, cText2, sizeof(cText2));
  114.             TextOut(hdc, 353, 300, cTrecut, sizeof(cTrecut));
  115.  
  116.  
  117.             EndPaint(hwnd, &ps);
  118.         }
  119.         break;
  120.  
  121.         case WM_CLOSE:
  122.             if (MessageBox(hwnd, "Are you sure?", lpcClassname, MB_ICONQUESTION | MB_OKCANCEL) == IDOK)
  123.             DestroyWindow(hwnd);
  124.         break;
  125.  
  126.         case WM_CREATE:
  127.             SetTimer(hwnd, ID_TIMER, 1000, NULL);
  128.             SetTimer(hwnd, ID_MINUTES, 60000, NULL);
  129.             SetTimer(hwnd, ID_HOURS, 3600000, NULL);
  130.  
  131.         break;
  132.  
  133.         case WM_TIMER:
  134.  
  135.             switch(wParam)
  136.             {
  137.                 case ID_TIMER:
  138.                     if (timer[2] == 59)
  139.                         timer[2] = 0;
  140.                     else
  141.                         timer[2]++;
  142.  
  143.                 break;
  144.  
  145.                 case ID_MINUTES:
  146.                     if (timer[1] == 59)
  147.                         timer[1] = 0;
  148.                     else
  149.                         timer[1]++;
  150.  
  151.                 break;
  152.  
  153.                 case ID_HOURS:
  154.                     if (timer[0] == 23)
  155.                         timer[0] = 0;
  156.                     else
  157.                         timer[0]++;
  158.  
  159.                 break;
  160.             }
  161.             InvalidateRect(hwnd, NULL, false);
  162.  
  163.         break;
  164.  
  165.         case WM_DESTROY:
  166.             KillTimer(hwnd, ID_TIMER);
  167.             PostQuitMessage(0);
  168.         break;
  169.  
  170.         default:
  171.             return DefWindowProc(hwnd, msg, wParam, lParam);
  172.     }
  173.     return 0;
  174. }
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