[讨论]打造最小C程序

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26楼 大中小发表于 2006-4-12 08:15 只看该作者

谢谢sunwear、代码罐头，现在可以把程序传上来了

只是简单修改了几个地方，比如将strcat改成lstrcat、将楼主原来的atoi(GetWindowText)改成了GetDlgItemInt，BUT，效果显著……

哪位DX有时间接着改吧……

引用:

/*----------------------------------------------------------------
* File :  shutdown.cpp
* Author  :  HuaiHuai  http://hhuai.cn
* Vesion  :  V 0.1
* Date :  2006.04.03
* Comment  :  一个定时关机小程序
*---------------------------------------------------------------*/

#include <windows.h>
#include "resource.h"
#include "shutdown.h"

void main() //反正楼主原来的参数也没有用，干脆去掉了，直接将程序入口定义到这里
{
OSVERSIONINFO osv;
osv.dwOSVersionInfoSize=sizeof(OSVERSIONINFO);
GetVersionEx(&osv);
if (osv.dwPlatformId==VER_PLATFORM_WIN32_NT)
{
   if(!TiQuan())
   {
      MessageBox(0,"提取关机权限不成功!","程序退出",MB_OK);
      return;    // 将原来的exit去掉，目的是不使用C库
   }
}

DialogBox(GetModuleHandle(NULL),MAKEINTRESOURCE(IDD_DIALOG1),0,DialogProc);
return;
}

int i=1;

BOOL CALLBACK DialogProc(
  HWND hwndDlg,  // handle to dialog box
  UINT uMsg, // message
  WPARAM wParam, // first message parameter
  LPARAM lParam  // second message parameter
)
{
DlgHandle=hwndDlg;
switch(uMsg) {
case WM_INITDIALOG:
      SetTimer(hwndDlg,1,1000,NULL);
   break;
case WM_COMMAND:

   if (LOWORD(wParam)==IDCANCEL)
      EndDialog(hwndDlg,0);

   if (LOWORD(wParam)==IDOK)
   IDOK_Proc();

   break;
case WM_TIMER:
   time=time-1;
   InvalidateRect(hwndDlg,NULL,FALSE);
   break;

case WM_PAINT:
   Show_Time();
   break;
}
return FALSE;
}

BOOL TiQuan()
{
HANDLE hProcess,hToken;
TOKEN_PRIVILEGES Privileges;
LUID luid;

hProcess=GetCurrentProcess();
OpenProcessToken(hProcess,TOKEN_ADJUST_PRIVILEGES,&hToken);
Privileges.PrivilegeCount=1;
LookupPrivilegeValue(NULL,SE_SHUTDOWN_NAME,&luid);
Privileges.Privileges[0].Luid=luid;
Privileges.Privileges[0].Attributes=SE_PRIVILEGE_ENABLED;
if (!AdjustTokenPrivileges(hToken,FALSE,&Privileges,NULL,NULL,NULL)) {
   return 0;
}
else
   return 1;
}

VOID CALLBACK TimerProc(
  HWND hwnd, // handle of window for timer messages
  UINT uMsg, // WM_TIMER message
  UINT idEvent,  // timer identifier
  DWORD dwTime  // current system time
  )
{
ExitWindowsEx(EWX_POWEROFF || EWX_FORCE,0);
}

void IDOK_Proc()
{
   if(!IsShutDown)
      {
         time=GetDlgItemInt(DlgHandle, IDC_EDIT1, NULL, FALSE)*60; //嘿嘿，其实主要改动的就是这一个地方，很有效啊~
         TimeId=SetTimer(DlgHandle,0,time*1000,TimerProc);
         SetWindowText(GetDlgItem(DlgHandle,IDOK),"Stop");
         SetWindowText(GetDlgItem(DlgHandle,IDC_Time),"OverTime:");
         IsShutDown=TRUE;

         ShowWindow(GetDlgItem(DlgHandle,IDC_EDIT1),SW_HIDE);
      }
      else
      {
         KillTimer((HWND)TimeId,0);
         SetWindowText(GetDlgItem(DlgHandle,IDOK),"Start");
         SetWindowText(GetDlgItem(DlgHandle,IDC_Time),"Timer:");
         IsShutDown=FALSE;

         ShowWindow(GetDlgItem(DlgHandle,IDC_EDIT1),SW_SHOW);
      }
}

VOID Show_Time()
{
if(!IsShutDown)
{
   ShowWindow(GetDlgItem(DlgHandle,IDC_M1),SW_SHOW);
   ShowWindow(GetDlgItem(DlgHandle,IDC_EDIT1),SW_SHOW);
   ShowWindow(GetDlgItem(DlgHandle,IDC_H),SW_HIDE);
   ShowWindow(GetDlgItem(DlgHandle,IDC_M),SW_HIDE);
   ShowWindow(GetDlgItem(DlgHandle,IDC_S),SW_HIDE);
}
else
{
   ShowWindow(GetDlgItem(DlgHandle,IDC_M1),SW_HIDE);
   ShowWindow(GetDlgItem(DlgHandle,IDC_EDIT1),SW_HIDE);
   ShowWindow(GetDlgItem(DlgHandle,IDC_H),SW_SHOW);
   ShowWindow(GetDlgItem(DlgHandle,IDC_M),SW_SHOW);
   ShowWindow(GetDlgItem(DlgHandle,IDC_S),SW_SHOW);

   int h=0,m=0,s=0;
   char pTime_M[10]={'\0'};
   char pTime_H[10]={'\0'};
   char pTime_S[10]={'\0'};


   if(time>3600)
   {
      h=time/3600;
      wsprintf(pTime_H,"%d",h);    //改成调用API实现
   }

   if ((time-(h*3600))>60)
   {
      m=(time-(h*3600)) /60;
      wsprintf(pTime_M,"%d",m);    //改成调用API实现
   }

   if ((time - (h*3600) - (m*60))>0)
   {
      s=time - (h*3600) - (m*60);
      wsprintf(pTime_S,"%d",s);    //改成调用API实现
   }

   SetWindowText(GetDlgItem(DlgHandle,IDC_H),lstrcat(pTime_H," H")); // strcat改成调用API lstrcat
   SetWindowText(GetDlgItem(DlgHandle,IDC_M),lstrcat(pTime_M," M")); // strcat改成调用API lstrcat
   SetWindowText(GetDlgItem(DlgHandle,IDC_S),lstrcat(pTime_S," S")); // strcat改成调用API lstrcat
}

}