#include <windows.h>

LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
void OnCreate(HWND hwnd);
void OnDestroy(HWND hwnd);
void OnPaint(HWND hwnd, HDC hdc);

char *szClassName   = "Test2";
char *szWindowTitle = "Test2";

/*-------------------------------------------
  WinMain
---------------------------------------------*/
int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
	LPSTR lpCmdLine, int nCmdShow)
{
	MSG msg;
	WNDCLASS wndclass;
	HWND hwnd;
	
	wndclass.style	       = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
	wndclass.cbClsExtra    = 0;
	wndclass.cbWndExtra    = 0;
	wndclass.hInstance     = hInstance;
	wndclass.hIcon         = LoadIcon(hInstance, "MYICON");
	wndclass.hCursor       = LoadCursor(NULL, IDC_ARROW);
	wndclass.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
	wndclass.lpszMenuName  = NULL;
	wndclass.lpfnWndProc   = WndProc;
	wndclass.lpszClassName = szClassName;
	RegisterClass(&wndclass);
	
	hwnd = CreateWindowEx(WS_EX_CLIENTEDGE,
		szClassName, szWindowTitle,
		WS_OVERLAPPEDWINDOW,
		CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
		NULL, NULL, hInstance, NULL);
	ShowWindow(hwnd, nCmdShow);
	UpdateWindow(hwnd);
	
	while(GetMessage(&msg, NULL, 0, 0))
	{
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}
	return msg.wParam;
}

/*-------------------------------------------
   window procedure
---------------------------------------------*/
LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	switch (message)
	{
		case WM_CREATE:
			OnCreate(hwnd);
			return 0;
		case WM_DESTROY:
			OnDestroy(hwnd);
			return 0;
		case WM_PAINT:
		{
			PAINTSTRUCT ps;
			HDC hdc;
			hdc = BeginPaint(hwnd, &ps);
			OnPaint(hwnd, hdc);
			EndPaint(hwnd, &ps);
			return 0;
		}
	}
	return DefWindowProc(hwnd, message, wParam, lParam);
}

void OnCreate(HWND hwnd)
{
	
}

void OnDestroy(HWND hwnd)
{
	PostQuitMessage(0);
}

void OnPaint(HWND hwnd, HDC hdc)
{
	char *msg = "hello, world";
	
	TextOut(hdc, 0, 0, msg, strlen(msg));
}