157 lines
3.8 KiB
C++
157 lines
3.8 KiB
C++
//____________________________________________________________________________
|
|
//
|
|
// Microsoft Windows
|
|
// Copyright (C) Microsoft Corporation, 1996 - 1999
|
|
//
|
|
// File: API.c
|
|
//
|
|
// Contents:
|
|
//
|
|
// APIs: MMCPropertyChangeNotify
|
|
//
|
|
// History: 10/15/1996 RaviR Created
|
|
//____________________________________________________________________________
|
|
//
|
|
|
|
#include <wtypes.h>
|
|
#include "objbase.h"
|
|
#ifndef DECLSPEC_UUID
|
|
#if _MSC_VER >= 1100
|
|
#define DECLSPEC_UUID(x) __declspec(uuid(x))
|
|
#else
|
|
#define DECLSPEC_UUID(x)
|
|
#endif
|
|
#endif
|
|
#include "commctrl.h" // for LV_ITEMW needed by ndmgrpriv.h
|
|
#include "mmc.h"
|
|
#include "ndmgr.h"
|
|
#include "ndmgrpriv.h"
|
|
#include "mmcptrs.h"
|
|
#include "ndmgrp.h"
|
|
#include "amcmsgid.h"
|
|
|
|
|
|
HRESULT MMCPropertyChangeNotify(LONG_PTR lNotifyHandle, LPARAM lParam)
|
|
{
|
|
// Note - the property sheet is in a different thread than the console.
|
|
// So init COM.
|
|
HRESULT hr = CoInitialize(NULL);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
LPPROPERTYSHEETNOTIFY ppsn;
|
|
|
|
hr = CoCreateInstance (CLSID_NodeManager, NULL, CLSCTX_INPROC,
|
|
IID_IPropertySheetNotify,
|
|
reinterpret_cast<void **>(&ppsn));
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
LPPROPERTYNOTIFYINFO ppni = reinterpret_cast<LPPROPERTYNOTIFYINFO>(lNotifyHandle);
|
|
|
|
ppsn->Notify (ppni, lParam);
|
|
ppsn->Release();
|
|
}
|
|
|
|
// Uninit COM
|
|
CoUninitialize();
|
|
}
|
|
|
|
return (hr);
|
|
}
|
|
|
|
|
|
HRESULT MMCPropertyHelp (LPOLESTR pszHelpTopic)
|
|
{
|
|
// find the MMC main window for this process
|
|
HWND hwndFrame = NULL;
|
|
const DWORD dwCurrentPid = GetCurrentProcessId();
|
|
|
|
while (1)
|
|
{
|
|
// find an MMC frame window
|
|
hwndFrame = FindWindowEx (NULL, hwndFrame, MAINFRAME_CLASS_NAME, NULL);
|
|
|
|
if (hwndFrame == NULL)
|
|
break;
|
|
|
|
// found a frame, is it on this process?
|
|
DWORD dwWindowPid;
|
|
GetWindowThreadProcessId (hwndFrame, &dwWindowPid);
|
|
|
|
if (dwCurrentPid == dwWindowPid)
|
|
break;
|
|
}
|
|
|
|
if (hwndFrame == NULL)
|
|
return (E_UNEXPECTED);
|
|
|
|
return ((HRESULT) SendMessage (hwndFrame, MMC_MSG_SHOW_SNAPIN_HELP_TOPIC,
|
|
NULL, reinterpret_cast<LPARAM>(pszHelpTopic)));
|
|
}
|
|
|
|
|
|
HRESULT MMCFreeNotifyHandle(LONG_PTR lNotifyHandle)
|
|
{
|
|
|
|
if (lNotifyHandle == NULL)
|
|
return E_INVALIDARG;
|
|
|
|
LPPROPERTYNOTIFYINFO ppni =
|
|
reinterpret_cast<LPPROPERTYNOTIFYINFO>(lNotifyHandle);
|
|
|
|
BOOL bResult;
|
|
|
|
if ((bResult = IsBadReadPtr(ppni, sizeof(PROPERTYNOTIFYINFO))) == FALSE)
|
|
::GlobalFree(ppni);
|
|
|
|
return ((bResult == FALSE) ? S_OK : E_FAIL);
|
|
}
|
|
|
|
|
|
HRESULT MMCIsMTNodeValid(void* pMTNode, BOOL bReset)
|
|
{
|
|
HRESULT hr = S_FALSE;
|
|
HWND hWnd = NULL;
|
|
DWORD dwPid = 0;
|
|
DWORD dwTid = 0;
|
|
|
|
if (pMTNode == NULL)
|
|
return hr;
|
|
|
|
while (1)
|
|
{
|
|
hWnd = ::FindWindowEx(NULL, hWnd, DATAWINDOW_CLASS_NAME, NULL);
|
|
|
|
// No windows found
|
|
if (hWnd == NULL)
|
|
break;
|
|
|
|
// Check if the window belongs to the current process
|
|
dwTid = ::GetWindowThreadProcessId(hWnd, &dwPid);
|
|
if (dwPid != ::GetCurrentProcessId())
|
|
continue;
|
|
|
|
// Get the extra bytes and compare the data objects
|
|
if (GetClassLong(hWnd, GCL_CBWNDEXTRA) != WINDOW_DATA_SIZE)
|
|
break;
|
|
|
|
DataWindowData* pData = GetDataWindowData (hWnd);
|
|
|
|
if (pData == NULL)
|
|
break;
|
|
|
|
if (pData->lpMasterNode == reinterpret_cast<LONG_PTR>(pMTNode))
|
|
{
|
|
// clear the data out if the user requests it
|
|
if (bReset)
|
|
pData->lpMasterNode = NULL;
|
|
|
|
hr = S_OK;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return hr;
|
|
}
|