Windows程序设计第五版源代码---HelloWin Windows程序设计第五版源代码—HelloWin
源代码如下：
#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;windows程序设计第7版pdf
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 Window NT!"), szAppName, MB_ICONERROR);
return0;
}
hwnd =CreateWindow(szAppName,
TEXT("The Hello Program"),
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
NULL,
NULL,
hInstance,
NULL);
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);
PlaySound (TEXT ("hellowin.wav"),NULL, SND_FILENAME | SND_ASYNC); return0;
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);
return0;
case WM_DESTROY:
PostQuitMessage (0);
return0;
}
return DefWindowProc (hwnd, message, wParam, lParam);
}

版权声明：本站内容均来自互联网，仅供演示用，请勿用于商业和其他非法用途。如果侵犯了您的权益请与我们联系QQ:729038198，我们将在24小时内删除。