text1.c

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/*------------------------------------------------------------
HELLOWIN.C -- Displays "Hello, Windows 98!" in client area
(c) Charles Petzold, 1998
------------------------------------------------------------*/

#include <windows.h>

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

int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
                    PSTR szCmdLine, int iCmdShow)
{
	static TCHAR szAppName[] = TEXT ("HelloWin") ;
	HWND         hwnd ;
	MSG          msg ;
	WNDCLASS     wndclass ;
	
	wndclass.style         = CS_HREDRAW | CS_VREDRAW ;
	wndclass.lpfnWndProc   = WndProc ;
	wndclass.cbClsExtra    = 0 ;
	wndclass.cbWndExtra    = 0 ;
	wndclass.hInstance     = hInstance ;
	wndclass.hIcon         = LoadIcon (NULL, IDI_APPLICATION) ;
	wndclass.hCursor       = LoadCursor (NULL, IDC_ARROW) ;
	wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
	wndclass.lpszMenuName  = NULL ;
	wndclass.lpszClassName = szAppName ;
	
	if (!RegisterClass (&wndclass))
	{
		MessageBox (NULL, TEXT ("This program requires Windows NT!"), 
			szAppName, MB_ICONERROR) ;
		return 0 ;
	}
	
	hwnd = CreateWindow (szAppName,                  // window class name
						 TEXT ("The Hello Program"), // window caption
						 WS_OVERLAPPEDWINDOW,        // window style
						 CW_USEDEFAULT,              // initial x position
						 CW_USEDEFAULT,              // initial y position
						 CW_USEDEFAULT,              // initial x size
						 CW_USEDEFAULT,              // initial y size
						 NULL,                       // parent window handle
						 NULL,                       // window menu handle
						 hInstance,                  // program instance handle
						 NULL) ;                     // creation parameters
	
	ShowWindow (hwnd, iCmdShow) ;
	UpdateWindow (hwnd) ;
	
	while (GetMessage (&msg, NULL, 0, 0))
	{
		TranslateMessage (&msg) ;
		DispatchMessage (&msg) ;
	}
	return msg.wParam ;
}

LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	HDC         hdc ;
	PAINTSTRUCT ps ;
	RECT        rect ;
	
	switch (message)
	{
	case WM_CREATE:
		PlaySound (TEXT ("hellowin.wav"), NULL, SND_FILENAME | SND_ASYNC) ;
		return 0 ;
		
	case WM_PAINT:
		hdc = BeginPaint (hwnd, &ps) ;
		
		GetClientRect (hwnd, &rect) ;
		
		DrawText (hdc, TEXT ("Hello, Windows 98!"), -1, &rect,
			DT_SINGLELINE | DT_CENTER | DT_VCENTER) ;
		
		EndPaint (hwnd, &ps) ;
		return 0 ;
		
	case WM_DESTROY:
		PostQuitMessage (0) ;
		return 0 ;
	}
	return DefWindowProc (hwnd, message, wParam, lParam) ;
}