#include <windows.h>


LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam);

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstanc, LPSTR
lpCmdLine, int iCmdShow)
{
       HWND hwnd;
       MSG msg;
       WNDCLASSEX wndclass;

       wndclass.cbSize = sizeof (wndclass);
       wndclass.style = CS_HREDRAW | CS_VREDRAW;
       wndclass.lpfnWndProc = WndProc;
       wndclass.cbClsExtra = 0;
       wndclass.cbWndExtra = 0;
       wndclass.hInstance = hInstance;
       wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION);
       wndclass.hCursor = LoadCursor (NULL, IDC_ARROW);
       wndclass.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
       wndclass.lpszMenuName = NULL;
       wndclass.lpszClassName = "Hello Mouse";
       wndclass.hIconSm = LoadIcon (NULL, IDI_APPLICATION);

       RegisterClassEx(&wndclass);

       hwnd = CreateWindow("HelloWorld", "Hello World Program",
WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, NULL, NULL, hInstance, NULL);

       ShowWindow(hwnd, iCmdShow);
       UpdateWindow(hwnd);

       while(GetMessage(&msg, NULL, 0, 0))
       {
               TranslateMessage(&msg);
               DispatchMessage(&msg);
       }
       return msg.wParam;
}

LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam)
{
       HDC hdc;
       PAINTSTRUCT ps;

       switch (iMsg)
       {
       case WM_PAINT:
               hdc = BeginPaint(hwnd, &ps);

               TextOut(hdc, 0, 0, "Hello Elena!", 12);

               EndPaint(hwnd, &ps);
               return 0;
       case WM_CHAR:
       case WM_LBUTTONDOWN:
             MessageBox (hwnd, "You Clicked me!", "Hello Lampochka",
MB_ICONEXCLAMATION);
             RETURN 0;
      case WM_DESTROY:
               PostQuitMessage(0);
               return 0;
      }
      return DefWindowProc(hwnd, iMsg, wParam, lParam);
}