/*-------------------------------------------------------------------*/
// BC++ Windows Sample 001
// Hello World

// Windows 2000以上で使うコードにしない
#define _WIN32_WINNT 0x400
#define WINVER 0x400

#include <windows>
using namespace std ;

///////////////////////////////////////////////////////////
long WINAPI WndProc(HWND hwnd,UINT msg,UINT wParam,LONG lParam)
{
    PAINTSTRUCT ps ;

	switch(msg){
	  case WM_CREATE: break ;
	  case WM_DESTROY: PostQuitMessage(0) ; break ;
	  case WM_SIZE: break ;
	  case WM_PAINT: BeginPaint(hwnd,&ps) ;
	                 TextOut(ps.hdc,0,0,"Hello World!",12) ;
	                 EndPaint(hwnd,&ps) ;
	                 break ;
	  default: return DefWindowProc(hwnd,msg,wParam,lParam) ;
	}
	return(0) ;
}


///////////////////////////////////////////////////////////
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR,int nCmdShow)
{
	HWND hwnd ;
	MSG msg ;
	WNDCLASS wc ;

	if(!hPrevInstance){
	  wc.style            = CS_HREDRAW | CS_VREDRAW ; /* Windowスタイル */
	  wc.lpfnWndProc      = WndProc ;                 /* イベントハンドラの定義 */
	  wc.cbClsExtra       = 0 ;
	  wc.cbWndExtra       = 0 ;
	  wc.hInstance        = hInstance ;               /* 自分のインスタンスをセット */
	  wc.hIcon            = NULL ;                    /* ICONは使わないのでNULL */
	  wc.hCursor          = LoadCursor(NULL,IDC_ARROW) ; 
	  wc.hbrBackground    = (HBRUSH)GetStockObject(WHITE_BRUSH) ;
	  wc.lpszMenuName     = NULL ;
	  wc.lpszClassName    = "HelloWorld" ;
	  RegisterClass(&wc) ;
	}
	hwnd=CreateWindow(
	  "HelloWorld",
	  "Test Program Windows sample 001",
	  WS_OVERLAPPEDWINDOW,
	  CW_USEDEFAULT,
	  CW_USEDEFAULT,
	  400+GetSystemMetrics(SM_CXBORDER)*2,
	  200+GetSystemMetrics(SM_CYCAPTION)
	     +GetSystemMetrics(SM_CYMENU)
	     +GetSystemMetrics(SM_CYBORDER) * 2,
	  NULL,
	  NULL,
	  hInstance,
	  NULL) ;
	ShowWindow(hwnd,nCmdShow) ;
	UpdateWindow(hwnd) ;
	while(GetMessage(&msg,NULL,0,0)) {
	  TranslateMessage(&msg) ;
	  DispatchMessage(&msg) ;
	}
	return msg.wParam ;
}