定时器.txt

著名的“CIH病毒”每年定时发作

#include<windows.h>
WNDCLASS wc;
HWND h_wnd;
MSG msg;

/* 消息处理函数wndProc的声明*/
long WINAPI WindowProc(HWND,UINT,WPARAM,LPARAM);

/* winMain函数的声明*/
int PASCAL WinMain(HINSTANCE h_CurInstance,
HINSTANCE h_PrevInstance,LPSTR p_CmdLine,int m_Show)
{
/*初始化wndclass结构变量*/
wc.lpfnWndProc =WindowProc;
wc.hInstance =h_CurInstance;
wc.hbrBackground =(HBRUSH)GetStockObject(WHITE_BRUSH);
wc.lpszClassName ="TheMainClass";

/* 注册WndClass结构变量*/
RegisterClass(&wc);

/* 创建窗口*/
h_wnd=CreateWindow("TheMainClass","Our first Window",
WS_OVERLAPPEDWINDOW,0,0,400,500,0,0,h_CurInstance,0);

/* 显示窗口*/
ShowWindow(h_wnd,SW_SHOWMAXIMIZED);

/*消息循环*/
while(GetMessage(&msg,NULL,0,0))
DispatchMessage(&msg);
return (msg.wParam );
}
#define ID_TIMER 1






/* 定义消息处理函数*/
long WINAPI WindowProc(HWND h_wnd,UINT WinMsg,WPARAM w_param,LPARAM l_param)
{
if(WinMsg==WM_DESTROY)
PostQuitMessage(0);
return DefWindowProc(h_wnd,WinMsg,w_param,l_param);
}