#include <iostream>
#include <windows.h>
using namespace std;

LRESULT CALLBACK WindowProc (HWND, UINT, WPARAM, LPARAM);

int WINAPI WinMain (HINSTANCE h_ins, HINSTANCE h_prev, LPSTR lp_cmd, int shw_cmd) {
	WNDCLASSEX wnd;
	static LPCTSTR wnd_name = L"Win App";
	HWND h_wnd;
	MSG msg;
	wnd.cbSize = sizeof (WNDCLASSEX);
	wnd.style = CS_HREDRAW | CS_VREDRAW;
	wnd.lpfnWndProc = WindowProc;
	wnd.cbClsExtra = 0;
	wnd.cbWndExtra = 0;
	wnd.hInstance = h_ins;
	wnd.hIcon = LoadIcon (0, IDI_APPLICATION);
	wnd.hCursor = LoadCursor (0, IDC_ARROW);
	wnd.hbrBackground = static_cast <HBRUSH> (GetStockObject(GRAY_BRUSH));
	wnd.lpszMenuName = 0;
	wnd.lpszClassName = wnd_name;
	wnd.hIconSm = 0;

	if (!RegisterClassEx (&wnd))
		return 0;
	h_wnd = CreateWindow (
		wnd_name,
		L"Windows example",
		WS_OVERLAPPEDWINDOW,
		CW_USEDEFAULT,
		CW_USEDEFAULT,
		CW_USEDEFAULT,
		CW_USEDEFAULT,
		0,
		0,
		h_ins,
		0
		);
	ShowWindow (h_wnd, shw_cmd);
	UpdateWindow (h_wnd);

	while (GetMessage (&msg, 0, 0, 0)) {
		TranslateMessage (&msg);
		DispatchMessage (&msg);
	}
	return static_cast <int> (msg.wParam);
}