SYSTEMTIME

LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
     HDC         hdc ;
     PAINTSTRUCT ps ;
     RECT        rect ;
     SYSTEMTIME time;
     
     switch (message)
     {
            

   
     case WM_LBUTTONUP:
          
          GetCursorPos(&p);
          sprintf(x, "%d", p.x);
          sprintf(y ,"%d", p.y);     
          repaint_variable = 1;                                                  // This is to tell the window to repaint with the coordinates
          InvalidateRect(hwnd, NULL, false);
          
          return 0;
     case WM_PAINT:
          GetSystemTime(&time);                                                  
          minute = time.wMinute;  
          seconds= time.wSecond;                                                            
          thehour = time.wHour;                                                  
          sprintf(hourptr, "%d", thehour);                                   
          sprintf(minuteptr, "%d", minute);    
                                          
          
          hdc = BeginPaint (hwnd, &ps) ;
          GetClientRect(hwnd, &rect);
          DrawTextA(hdc, "First Program", -1, &rect, DT_CENTER );
          TextOutA(hdc, 400, 400, hourptr, 3);
          TextOutA(hdc, 450, 400, minuteptr, 3);
          if ( repaint_variable == 1)
          {
               TextOutA(hdc, 0, 0 , "The x coordinate is: ", 22);
               TextOutA(hdc, 150, 0, x, 3);
               TextOutA(hdc, 0, 30, "The y coordinate is: ", 22);
               TextOutA(hdc, 150,30, y, 3);
              
               repaint_variable == 0;  
          }
          
          if (repaint_variable == 0)
          { return 0; }
          
          EndPaint (hwnd , &ps) ;
          return 0 ;
          
     case WM_DESTROY:
          PostQuitMessage (0) ;
          return 0 ;
     }
     return DefWindowProc (hwnd, message, wParam, lParam) ;
}