[API] Basic Window

<Basic Window 실행화면>

#include 

HINSTANCE	g_hInst;					
HWND		g_hWnd;						

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

int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance
					 ,LPSTR lpszCmdParam, int nCmdShow)
{
	MSG			Message;					
	WNDCLASS	WndClass;					
	char  		szClassName[128] = "HoGyu.LEE";	
	char  		szWinName[128] = "HoGyu.LEE";	

	g_hInst =	hInstance;					

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

	g_hWnd = CreateWindow(szClassName, szWinName, WS_OVERLAPPEDWINDOW,
		CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
		NULL, (HMENU)NULL, hInstance, NULL);
	ShowWindow(g_hWnd, nCmdShow);

	while(true)
	{

		if( PeekMessage( &Message, NULL, 0U, 0U, PM_REMOVE ) )
		{
			if(Message.message == WM_QUIT) break;
			TranslateMessage( &Message );
			DispatchMessage( &Message );
		}
	}
	return Message.wParam;
}

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

	switch(iMessage)
	{
	case WM_PAINT:
		hdc = BeginPaint(hWnd, &ps);
		EndPaint(hWnd, &ps);
		break;
	case WM_KEYDOWN:
		switch(wParam)
		{
		case VK_ESCAPE:
			PostMessage( hWnd, WM_DESTROY, 0, 0L );
			break;
		}
		break;
	case WM_DESTROY:
		PostQuitMessage(0);
		return 0;
	}

	return(DefWindowProc(hWnd,iMessage,wParam,lParam));
}

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