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C++ UserLeave函数代码示例

本文整理汇总了C++中UserLeave函数的典型用法代码示例。如果您正苦于以下问题：C++ UserLeave函数的具体用法？C++ UserLeave怎么用？C++ UserLeave使用的例子？那么, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了UserLeave函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: NtUserNotifyWinEvent

VOID
APIENTRY
NtUserNotifyWinEvent(
   DWORD Event,
   HWND  hWnd,
   LONG  idObject,
   LONG  idChild)
{
   PWND Window = NULL;
   USER_REFERENCE_ENTRY Ref;
   UserEnterExclusive();

   /* Validate input */
   if (hWnd && (hWnd != INVALID_HANDLE_VALUE))
   {
     Window = UserGetWindowObject(hWnd);
     if (!Window)
     {
       UserLeave();
       return;
     }
   }

   if (gpsi->dwInstalledEventHooks & GetMaskFromEvent(Event))
   {
      if (Window) UserRefObjectCo(Window, &Ref);
      IntNotifyWinEvent( Event, Window, idObject, idChild, WEF_SETBYWNDPTI);
      if (Window) UserDerefObjectCo(Window);
   }
   UserLeave();
}
开发者ID:HBelusca，项目名称:NasuTek-Odyssey，代码行数:31，代码来源:event.c

示例2: NtUserGetKeyboardLayoutList

/*
 * NtUserGetKeyboardLayoutList
 *
 * Returns list of loaded keyboard layouts in system
 */
UINT
APIENTRY
NtUserGetKeyboardLayoutList(
    ULONG nBuff,
    HKL *pHklBuff)
{
    UINT uRet = 0;
    PKL pKl;

    if (!pHklBuff)
        nBuff = 0;

    UserEnterShared();

    if (!gspklBaseLayout)
    {
        UserLeave();
        return 0;
    }
    pKl = gspklBaseLayout;

    if (nBuff == 0)
    {
        do
        {
            uRet++;
            pKl = pKl->pklNext;
        } while (pKl != gspklBaseLayout);
    }
    else
    {
        _SEH2_TRY
        {
            ProbeForWrite(pHklBuff, nBuff*sizeof(HKL), 4);

            while (uRet < nBuff)
            {
                pHklBuff[uRet] = pKl->hkl;
                uRet++;
                pKl = pKl->pklNext;
                if (pKl == gspklBaseLayout)
                    break;
            }
        }
        _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
        {
            SetLastNtError(_SEH2_GetExceptionCode());
            uRet = 0;
        }
        _SEH2_END;
    }

    UserLeave();
    return uRet;
}
开发者ID:RPG-7，项目名称:reactos，代码行数:60，代码来源:kbdlayout.c

示例3: NtUserCallHwnd

DWORD
APIENTRY
NtUserCallHwnd(
   HWND hWnd,
   DWORD Routine)
{
   switch (Routine)
   {
      case HWND_ROUTINE_GETWNDCONTEXTHLPID:
      {
         PWND Window;
         PPROPERTY HelpId;
         USER_REFERENCE_ENTRY Ref;

         UserEnterExclusive();

         if (!(Window = UserGetWindowObject(hWnd)))
         {
            UserLeave();
            return 0;
         }
         UserRefObjectCo(Window, &Ref);

         HelpId = IntGetProp(Window, gpsi->atomContextHelpIdProp);

         UserDerefObjectCo(Window);
         UserLeave();
         return (DWORD)HelpId->Data;
      }
      case HWND_ROUTINE_REGISTERSHELLHOOKWINDOW:
         if (IntIsWindow(hWnd))
            return IntRegisterShellHookWindow(hWnd);
         return FALSE;
         break;
      case HWND_ROUTINE_DEREGISTERSHELLHOOKWINDOW:
         if (IntIsWindow(hWnd))
            return IntDeRegisterShellHookWindow(hWnd);
         return FALSE;
      case HWND_ROUTINE_SETMSGBOX:
      {
         PWND Window;
         UserEnterExclusive();
         if ((Window = UserGetWindowObject(hWnd)))
         {
            Window->state |= WNDS_MSGBOX;
         }
         UserLeave();
         return FALSE;
      }
   }
   STUB;

   return 0;
}
开发者ID:mutoso-mirrors，项目名称:reactos，代码行数:54，代码来源:simplecall.c

示例4: NtUserCallHwnd

DWORD
APIENTRY
NtUserCallHwnd(
   HWND hWnd,
   DWORD Routine)
{
   switch (Routine)
   {
      case HWND_ROUTINE_GETWNDCONTEXTHLPID:
      {
         PWND Window;
         DWORD HelpId;

         UserEnterShared();

         if (!(Window = UserGetWindowObject(hWnd)))
         {
            UserLeave();
            return 0;
         }

         HelpId = (DWORD)(DWORD_PTR)UserGetProp(Window, gpsi->atomContextHelpIdProp, TRUE);

         UserLeave();
         return HelpId;
      }
      case HWND_ROUTINE_REGISTERSHELLHOOKWINDOW:
         if (IntIsWindow(hWnd))
            return IntRegisterShellHookWindow(hWnd);
         return FALSE;
         break;
      case HWND_ROUTINE_DEREGISTERSHELLHOOKWINDOW:
         if (IntIsWindow(hWnd))
            return IntDeRegisterShellHookWindow(hWnd);
         return FALSE;
      case HWND_ROUTINE_SETMSGBOX:
      {
         PWND Window;
         UserEnterExclusive();
         if ((Window = UserGetWindowObject(hWnd)))
         {
            Window->state |= WNDS_MSGBOX;
         }
         UserLeave();
         return FALSE;
      }
   }
   STUB;

   return 0;
}
开发者ID:GYGit，项目名称:reactos，代码行数:51，代码来源:simplecall.c

示例5: DECLARE_RETURN

UINT_PTR
APIENTRY
NtUserSetTimer
(
   HWND hWnd,
   UINT_PTR nIDEvent,
   UINT uElapse,
   TIMERPROC lpTimerFunc
)
{
   PWND Window;
   DECLARE_RETURN(UINT_PTR);

   TRACE("Enter NtUserSetTimer\n");
   UserEnterExclusive();
   Window = UserGetWindowObject(hWnd);
   UserLeave();

   RETURN(IntSetTimer(Window, nIDEvent, uElapse, lpTimerFunc, TMRF_TIFROMWND));

CLEANUP:
   TRACE("Leave NtUserSetTimer, ret=%i\n", _ret_);

   END_CLEANUP;
}
开发者ID:HBelusca，项目名称:NasuTek-Odyssey，代码行数:25，代码来源:timer.c

示例6: NtUserCallNoParam

/*
 * @unimplemented
 */
DWORD_PTR
APIENTRY
NtUserCallNoParam(DWORD Routine)
{
   DWORD_PTR Result = 0;
   DECLARE_RETURN(DWORD_PTR);

   TRACE("Enter NtUserCallNoParam\n");
   UserEnterExclusive();

   switch(Routine)
   {
      case NOPARAM_ROUTINE_CREATEMENU:
         Result = (DWORD_PTR)UserCreateMenu(FALSE);
         break;

      case NOPARAM_ROUTINE_CREATEMENUPOPUP:
         Result = (DWORD_PTR)UserCreateMenu(TRUE);
         break;

      case NOPARAM_ROUTINE_DESTROY_CARET:
         Result = (DWORD_PTR)co_IntDestroyCaret(PsGetCurrentThread()->Tcb.Win32Thread);
         break;

      case NOPARAM_ROUTINE_INIT_MESSAGE_PUMP:
         Result = (DWORD_PTR)IntInitMessagePumpHook();
         break;

      case NOPARAM_ROUTINE_UNINIT_MESSAGE_PUMP:
         Result = (DWORD_PTR)IntUninitMessagePumpHook();
         break;

      case NOPARAM_ROUTINE_GETMESSAGEEXTRAINFO:
         Result = (DWORD_PTR)MsqGetMessageExtraInfo();
         break;

      case NOPARAM_ROUTINE_MSQCLEARWAKEMASK:
         RETURN( (DWORD_PTR)IntMsqClearWakeMask());

      case NOPARAM_ROUTINE_GETMSESSAGEPOS:
      {
         PTHREADINFO pti = PsGetCurrentThreadWin32Thread();
         RETURN( (DWORD_PTR)MAKELONG(pti->ptLast.x, pti->ptLast.y));
      }

      case NOPARAM_ROUTINE_RELEASECAPTURE:
         RETURN( (DWORD_PTR)IntReleaseCapture());

      default:
         ERR("Calling invalid routine number 0x%x in NtUserCallNoParam\n", Routine);
         EngSetLastError(ERROR_INVALID_PARAMETER);
         break;
   }
   RETURN(Result);

CLEANUP:
   TRACE("Leave NtUserCallNoParam, ret=%i\n",_ret_);
   UserLeave();
   END_CLEANUP;
}
开发者ID:HBelusca，项目名称:NasuTek-Odyssey，代码行数:63，代码来源:simplecall.c

示例7: NtUserRemoveProp

HANDLE APIENTRY
NtUserRemoveProp(HWND hWnd, ATOM Atom)
{
   PWND Window;
   PPROPERTY Prop;
   HANDLE Data;
   DECLARE_RETURN(HANDLE);

   TRACE("Enter NtUserRemoveProp\n");
   UserEnterExclusive();

   if (!(Window = UserGetWindowObject(hWnd)))
   {
      RETURN( NULL);
   }

   Prop = IntGetProp(Window, Atom);

   if (Prop == NULL)
   {
      RETURN(NULL);
   }
   Data = Prop->Data;
   RemoveEntryList(&Prop->PropListEntry);
   UserHeapFree(Prop);
   Window->PropListItems--;

   RETURN(Data);

CLEANUP:
   TRACE("Leave NtUserRemoveProp, ret=%i\n",_ret_);
   UserLeave();
   END_CLEANUP;
}
开发者ID:HBelusca，项目名称:NasuTek-Odyssey，代码行数:34，代码来源:prop.c

示例8: Win32kThreadCallback

NTSTATUS
APIENTRY
Win32kThreadCallback(struct _ETHREAD *Thread,
                     PSW32THREADCALLOUTTYPE Type)
{
    NTSTATUS Status;

    UserEnterExclusive();

    ASSERT(NtCurrentTeb());

    if (Type == PsW32ThreadCalloutInitialize)
    {
        ASSERT(PsGetThreadWin32Thread(Thread) == NULL);
        Status = UserCreateThreadInfo(Thread);
    }
    else
    {
        ASSERT(PsGetThreadWin32Thread(Thread) != NULL);
        Status = UserDestroyThreadInfo(Thread);
    }

    UserLeave();

    return Status;
}
开发者ID:hackbunny，项目名称:reactos，代码行数:26，代码来源:main.c

示例9: NtUserGetKeyboardLayoutName

/*
 * NtUserGetKeyboardLayoutName
 *
 * Returns KLID of current thread keyboard layout
 */
BOOL
APIENTRY
NtUserGetKeyboardLayoutName(
    LPWSTR pwszName)
{
    BOOL bRet = FALSE;
    PKL pKl;
    PTHREADINFO pti;

    UserEnterShared();

    pti = PsGetCurrentThreadWin32Thread();
    pKl = pti->KeyboardLayout;

    if (!pKl)
        goto cleanup;

    _SEH2_TRY
    {
        ProbeForWrite(pwszName, KL_NAMELENGTH*sizeof(WCHAR), 1);
        wcscpy(pwszName, pKl->spkf->awchKF);
        bRet = TRUE;
    }
    _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
    {
        SetLastNtError(_SEH2_GetExceptionCode());
    }
    _SEH2_END;

cleanup:
    UserLeave();
    return bRet;
}
开发者ID:RPG-7，项目名称:reactos，代码行数:38，代码来源:kbdlayout.c

示例10: NtUserSetClipboardData

HANDLE APIENTRY
NtUserSetClipboardData(UINT fmt, HANDLE hData, PSETCLIPBDATA pUnsafeScd)
{
    SETCLIPBDATA scd;
    HANDLE hRet;

    TRACE("NtUserSetClipboardData(%x %p %p)\n", fmt, hData, pUnsafeScd);

    _SEH2_TRY
    {
        ProbeForRead(pUnsafeScd, sizeof(*pUnsafeScd), 1);
        RtlCopyMemory(&scd, pUnsafeScd, sizeof(scd));
    }
    _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
    {
        SetLastNtError(_SEH2_GetExceptionCode());
        _SEH2_YIELD(return NULL;)
    }
    _SEH2_END

    UserEnterExclusive();

    /* Call internal function */
    hRet = UserSetClipboardData(fmt, hData, &scd);

    UserLeave();

    return hRet;
}
开发者ID:CSRedRat，项目名称:reactos-playground，代码行数:29，代码来源:clipboard.c

示例11: NtUserSetThreadState

DWORD
APIENTRY
NtUserSetThreadState(
   DWORD Set,
   DWORD Flags)
{
   PTHREADINFO pti;
   DWORD Ret = 0;
   // Test the only flags user can change.
   if (Set & ~(QF_FF10STATUS|QF_DIALOGACTIVE|QF_TABSWITCHING|QF_FMENUSTATUS|QF_FMENUSTATUSBREAK)) return 0;
   if (Flags & ~(QF_FF10STATUS|QF_DIALOGACTIVE|QF_TABSWITCHING|QF_FMENUSTATUS|QF_FMENUSTATUSBREAK)) return 0;
   UserEnterExclusive();
   pti = PsGetCurrentThreadWin32Thread();
   if (pti->MessageQueue)
   {
      Ret = pti->MessageQueue->QF_flags;    // Get the queue flags.
      if (Set)
         pti->MessageQueue->QF_flags |= (Set&Flags); // Set the queue flags.
      else
      {
         if (Flags) pti->MessageQueue->QF_flags &= ~Flags; // Clr the queue flags.
      }
   }
   UserLeave();
   return Ret;
}
开发者ID:Moteesh，项目名称:reactos，代码行数:26，代码来源:misc.c

示例12: NtUserChangeClipboardChain

BOOL APIENTRY
NtUserChangeClipboardChain(HWND hWndRemove, HWND hWndNewNext)
{
    BOOL bRet = FALSE;
    PWND pWindowRemove;
    PWINSTATION_OBJECT pWinStaObj;

    TRACE("NtUserChangeClipboardChain(%p, %p)\n", hWndRemove, hWndNewNext);

    UserEnterExclusive();

    pWinStaObj = IntGetWinStaForCbAccess();
    if (!pWinStaObj)
        goto cleanup;

    pWindowRemove = UserGetWindowObject(hWndRemove);

    if (pWindowRemove && pWinStaObj->spwndClipViewer)
    {
        if(pWindowRemove == pWinStaObj->spwndClipViewer)
            pWinStaObj->spwndClipViewer = UserGetWindowObject(hWndNewNext);

        if(pWinStaObj->spwndClipViewer)
            bRet = (BOOL)co_IntSendMessage(pWinStaObj->spwndClipViewer->head.h, WM_CHANGECBCHAIN, (WPARAM)hWndRemove, (LPARAM)hWndNewNext);
    }

    ObDereferenceObject(pWinStaObj);

cleanup:
    UserLeave();

    return bRet;
}
开发者ID:CSRedRat，项目名称:reactos-playground，代码行数:33，代码来源:clipboard.c

示例13: NtUserCloseClipboard

BOOL APIENTRY
NtUserCloseClipboard(VOID)
{
    BOOL ret = FALSE;

    UserEnterExclusive();

    if (intIsClipboardOpenByMe())
    {
        ClipboardWindow = NULL;
        ClipboardThread = NULL;
        ret = TRUE;
    }
    else
    {
        EngSetLastError(ERROR_CLIPBOARD_NOT_OPEN);
    }

    recentlySetClipboard = FALSE;

    UserLeave();

    if (sendDrawClipboardMsg && WindowsChain)
    {
        /* only send message to the first window in the chain, then they'll do the chain */
        /* commented because it makes a crash in co_MsqSendMessage
        ASSERT(WindowsChain->window);
        ASSERT(WindowsChain->window->hSelf);
        ERR("Clipboard: sending WM_DRAWCLIPBOARD to %p\n", WindowsChain->window->hSelf);
        co_IntSendMessage(WindowsChain->window->hSelf, WM_DRAWCLIPBOARD, 0, 0);
        */
    }

    return ret;
}
开发者ID:HBelusca，项目名称:NasuTek-Odyssey，代码行数:35，代码来源:clipboard.c

示例14: NtUserGetCaretPos

BOOL
APIENTRY
NtUserGetCaretPos(
   LPPOINT lpPoint)
{
   PTHREADINFO pti;
   PUSER_MESSAGE_QUEUE ThreadQueue;
   NTSTATUS Status;
   DECLARE_RETURN(BOOL);

   TRACE("Enter NtUserGetCaretPos\n");
   UserEnterShared();

   pti = PsGetCurrentThreadWin32Thread();
   ThreadQueue = pti->MessageQueue;

   Status = MmCopyToCaller(lpPoint, &(ThreadQueue->CaretInfo->Pos), sizeof(POINT));
   if(!NT_SUCCESS(Status))
   {
      SetLastNtError(Status);
      RETURN(FALSE);
   }

   RETURN(TRUE);

CLEANUP:
   TRACE("Leave NtUserGetCaretPos, ret=%i\n",_ret_);
   UserLeave();
   END_CLEANUP;
}
开发者ID:CSRedRat，项目名称:reactos-playground，代码行数:30，代码来源:caret.c

示例15: NtUserHideCaret

BOOL
APIENTRY
NtUserHideCaret(HWND hWnd OPTIONAL)
{
   PWND Window = NULL;
   USER_REFERENCE_ENTRY Ref;
   DECLARE_RETURN(BOOL);
   BOOL ret;

   TRACE("Enter NtUserHideCaret\n");
   UserEnterExclusive();

   if(hWnd && !(Window = UserGetWindowObject(hWnd)))
   {
      RETURN(FALSE);
   }

   if (Window) UserRefObjectCo(Window, &Ref);

   ret = co_UserHideCaret(Window);

   if (Window) UserDerefObjectCo(Window);

   RETURN(ret);

CLEANUP:
   TRACE("Leave NtUserHideCaret, ret=%i\n",_ret_);
   UserLeave();
   END_CLEANUP;
}
开发者ID:CSRedRat，项目名称:reactos-playground，代码行数:30，代码来源:caret.c


注：本文中的UserLeave函数示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。