#include <string.h>
#include <windows.h>

LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
BOOL InitApplication(HINSTANCE hInstance);
BOOL InitInstance(HINSTANCE, int);



int PASCAL WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
	MSG msg;


	if(!InitApplication(hInstance))
	{
		return FALSE;
	}


	if(!InitInstance(hInstance, nCmdShow))
	{
		return FALSE;
	}

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

	return msg.wParam;
}

BOOL InitApplication(HINSTANCE hInstance)
{
	WNDCLASS wc;

	wc.style		= CS_HREDRAW | CS_VREDRAW;
	wc.lpfnWndProc	= (WNDPROC) WndProc;
	wc.cbClsExtra	= 0;
	wc.cbWndExtra	= 0;
	wc.hInstance	= hInstance;
	wc.hIcon		= LoadIcon(NULL, IDI_APPLICATION);
	wc.hCursor		= LoadCursor(NULL, IDC_ARROW);
	wc.hbrBackground= (HBRUSH)GetStockObject(WHITE_BRUSH);
	wc.lpszMenuName = NULL;
	wc.lpszClassName= "test";

	return RegisterClass(&wc);
}

BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
	HWND hWnd;
	hWnd = CreateWindow("test","TestApp",WS_OVERLAPPEDWINDOW,
							160,120,320,240,
							NULL,NULL, hInstance, NULL);

	if(!hWnd)
	{
		return FALSE;
	}


	ShowWindow(hWnd, nCmdShow);
	UpdateWindow(hWnd);

	return TRUE;

}

LRESULT CALLBACK WndProc(HWND hWnd, UINT uMessage, WPARAM wParam, LPARAM lParam)
{
	HDC hDC;
	PAINTSTRUCT ps;
	char szText[] ="Hello!";

	switch(uMessage)
	{

	case WM_PAINT:
		BeginPaint(hWnd, &ps);
		hDC = ps.hdc;
		TextOut(hDC, 0,0,szText,strlen(szText));
		EndPaint(hWnd,&ps);
		break;

	case WM_DESTROY:
		PostQuitMessage(0);
		break;

	default:
		return DefWindowProc(hWnd, uMessage, wParam, lParam);

	}

	return 0;
}