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843 lines
23 KiB
C
843 lines
23 KiB
C
/*
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* IEnumMoniker implementation for DEVENUM.dll
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*
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* Copyright (C) 2002 Robert Shearman
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*
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* NOTES ON THIS FILE:
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* - Implements IEnumMoniker interface which enumerates through moniker
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* objects created from HKEY_CLASSES/CLSID/{DEVICE_CLSID}/Instance
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*/
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#include "devenum_private.h"
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#include "oleauto.h"
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#include "ocidl.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(devenum);
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typedef struct
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{
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IEnumMoniker IEnumMoniker_iface;
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LONG ref;
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DWORD index;
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HKEY hkey;
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} EnumMonikerImpl;
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typedef struct
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{
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IPropertyBag IPropertyBag_iface;
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LONG ref;
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HKEY hkey;
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} RegPropBagImpl;
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static inline RegPropBagImpl *impl_from_IPropertyBag(IPropertyBag *iface)
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{
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return CONTAINING_RECORD(iface, RegPropBagImpl, IPropertyBag_iface);
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}
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static HRESULT WINAPI DEVENUM_IPropertyBag_QueryInterface(
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LPPROPERTYBAG iface,
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REFIID riid,
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LPVOID *ppvObj)
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{
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RegPropBagImpl *This = impl_from_IPropertyBag(iface);
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TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppvObj);
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if (This == NULL || ppvObj == NULL) return E_POINTER;
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if (IsEqualGUID(riid, &IID_IUnknown) ||
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IsEqualGUID(riid, &IID_IPropertyBag))
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{
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*ppvObj = iface;
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IPropertyBag_AddRef(iface);
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return S_OK;
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}
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FIXME("- no interface IID: %s\n", debugstr_guid(riid));
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return E_NOINTERFACE;
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}
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/**********************************************************************
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* DEVENUM_IPropertyBag_AddRef (also IUnknown)
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*/
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static ULONG WINAPI DEVENUM_IPropertyBag_AddRef(LPPROPERTYBAG iface)
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{
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RegPropBagImpl *This = impl_from_IPropertyBag(iface);
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TRACE("(%p)->() AddRef from %d\n", iface, This->ref);
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return InterlockedIncrement(&This->ref);
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}
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/**********************************************************************
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* DEVENUM_IPropertyBag_Release (also IUnknown)
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*/
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static ULONG WINAPI DEVENUM_IPropertyBag_Release(LPPROPERTYBAG iface)
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{
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RegPropBagImpl *This = impl_from_IPropertyBag(iface);
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ULONG ref;
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TRACE("(%p)->() ReleaseThis->ref from %d\n", iface, This->ref);
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ref = InterlockedDecrement(&This->ref);
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if (ref == 0) {
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RegCloseKey(This->hkey);
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CoTaskMemFree(This);
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DEVENUM_UnlockModule();
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}
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return ref;
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}
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static HRESULT WINAPI DEVENUM_IPropertyBag_Read(
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LPPROPERTYBAG iface,
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LPCOLESTR pszPropName,
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VARIANT* pVar,
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IErrorLog* pErrorLog)
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{
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LPVOID pData = NULL;
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DWORD received;
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DWORD type = 0;
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RegPropBagImpl *This = impl_from_IPropertyBag(iface);
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HRESULT res = S_OK;
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LONG reswin32;
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TRACE("(%p)->(%s, %p, %p)\n", This, debugstr_w(pszPropName), pVar, pErrorLog);
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if (!pszPropName || !pVar)
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return E_POINTER;
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reswin32 = RegQueryValueExW(This->hkey, pszPropName, NULL, NULL, NULL, &received);
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res = HRESULT_FROM_WIN32(reswin32);
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if (SUCCEEDED(res))
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{
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pData = HeapAlloc(GetProcessHeap(), 0, received);
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/* work around a GCC bug that occurs here unless we use the reswin32 variable as well */
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reswin32 = RegQueryValueExW(This->hkey, pszPropName, NULL, &type, pData, &received);
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res = HRESULT_FROM_WIN32(reswin32);
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}
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if (SUCCEEDED(res))
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{
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res = E_INVALIDARG; /* assume we cannot coerce into right type */
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TRACE("Read %d bytes (%s)\n", received, type == REG_SZ ? debugstr_w(pData) : "binary data");
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switch (type)
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{
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case REG_SZ:
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switch (V_VT(pVar))
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{
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case VT_LPWSTR:
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V_UNION(pVar, bstrVal) = CoTaskMemAlloc(received);
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memcpy(V_UNION(pVar, bstrVal), pData, received);
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res = S_OK;
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break;
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case VT_EMPTY:
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V_VT(pVar) = VT_BSTR;
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/* fall through */
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case VT_BSTR:
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V_UNION(pVar, bstrVal) = SysAllocStringLen(pData, received/sizeof(WCHAR) - 1);
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res = S_OK;
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break;
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}
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break;
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case REG_DWORD:
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TRACE("REG_DWORD: %x\n", *(DWORD *)pData);
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switch (V_VT(pVar))
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{
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case VT_EMPTY:
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V_VT(pVar) = VT_I4;
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/* fall through */
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case VT_I4:
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case VT_UI4:
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V_UNION(pVar, ulVal) = *(DWORD *)pData;
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res = S_OK;
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break;
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}
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break;
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case REG_BINARY:
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{
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SAFEARRAYBOUND bound;
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void * pArrayElements;
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bound.lLbound = 0;
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bound.cElements = received;
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TRACE("REG_BINARY: len = %d\n", received);
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switch (V_VT(pVar))
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{
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case VT_EMPTY:
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V_VT(pVar) = VT_ARRAY | VT_UI1;
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/* fall through */
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case VT_ARRAY | VT_UI1:
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if (!(V_UNION(pVar, parray) = SafeArrayCreate(VT_UI1, 1, &bound)))
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res = E_OUTOFMEMORY;
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else
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res = S_OK;
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break;
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}
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if (res == E_INVALIDARG)
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break;
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res = SafeArrayAccessData(V_UNION(pVar, parray), &pArrayElements);
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if (FAILED(res))
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break;
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CopyMemory(pArrayElements, pData, received);
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res = SafeArrayUnaccessData(V_UNION(pVar, parray));
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break;
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}
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}
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if (res == E_INVALIDARG)
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FIXME("Variant type %x not supported for regtype %x\n", V_VT(pVar), type);
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}
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HeapFree(GetProcessHeap(), 0, pData);
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TRACE("<- %x\n", res);
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return res;
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}
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static HRESULT WINAPI DEVENUM_IPropertyBag_Write(
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LPPROPERTYBAG iface,
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LPCOLESTR pszPropName,
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VARIANT* pVar)
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{
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RegPropBagImpl *This = impl_from_IPropertyBag(iface);
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LPVOID lpData = NULL;
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DWORD cbData = 0;
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DWORD dwType = 0;
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HRESULT res = S_OK;
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TRACE("(%p)->(%s, %p)\n", This, debugstr_w(pszPropName), pVar);
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switch (V_VT(pVar))
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{
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case VT_BSTR:
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TRACE("writing %s\n", debugstr_w(V_UNION(pVar, bstrVal)));
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lpData = V_UNION(pVar, bstrVal);
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dwType = REG_SZ;
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cbData = (lstrlenW(V_UNION(pVar, bstrVal)) + 1) * sizeof(WCHAR);
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break;
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case VT_I4:
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case VT_UI4:
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TRACE("writing %u\n", V_UNION(pVar, ulVal));
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lpData = &V_UNION(pVar, ulVal);
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dwType = REG_DWORD;
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cbData = sizeof(DWORD);
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break;
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case VT_ARRAY | VT_UI1:
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{
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LONG lUbound = 0;
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LONG lLbound = 0;
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dwType = REG_BINARY;
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res = SafeArrayGetLBound(V_UNION(pVar, parray), 1, &lLbound);
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res = SafeArrayGetUBound(V_UNION(pVar, parray), 1, &lUbound);
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cbData = (lUbound - lLbound + 1) /* * sizeof(BYTE)*/;
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TRACE("cbData: %d\n", cbData);
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res = SafeArrayAccessData(V_UNION(pVar, parray), &lpData);
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break;
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}
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default:
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FIXME("Variant type %d not handled\n", V_VT(pVar));
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return E_FAIL;
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}
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if (RegSetValueExW(This->hkey,
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pszPropName, 0,
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dwType, lpData, cbData) != ERROR_SUCCESS)
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res = E_FAIL;
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if (V_VT(pVar) & VT_ARRAY)
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res = SafeArrayUnaccessData(V_UNION(pVar, parray));
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return res;
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}
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static const IPropertyBagVtbl IPropertyBag_Vtbl =
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{
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DEVENUM_IPropertyBag_QueryInterface,
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DEVENUM_IPropertyBag_AddRef,
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DEVENUM_IPropertyBag_Release,
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DEVENUM_IPropertyBag_Read,
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DEVENUM_IPropertyBag_Write
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};
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static HRESULT DEVENUM_IPropertyBag_Construct(HANDLE hkey, IPropertyBag **ppBag)
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{
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RegPropBagImpl * rpb = CoTaskMemAlloc(sizeof(RegPropBagImpl));
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if (!rpb)
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return E_OUTOFMEMORY;
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rpb->IPropertyBag_iface.lpVtbl = &IPropertyBag_Vtbl;
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rpb->ref = 1;
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rpb->hkey = hkey;
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*ppBag = &rpb->IPropertyBag_iface;
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DEVENUM_LockModule();
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return S_OK;
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}
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static inline MediaCatMoniker *impl_from_IMoniker(IMoniker *iface)
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{
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return CONTAINING_RECORD(iface, MediaCatMoniker, IMoniker_iface);
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}
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static HRESULT WINAPI DEVENUM_IMediaCatMoniker_QueryInterface(IMoniker *iface, REFIID riid,
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void **ppv)
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{
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TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
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if (!ppv)
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return E_POINTER;
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if (IsEqualGUID(riid, &IID_IUnknown) ||
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IsEqualGUID(riid, &IID_IPersist) ||
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IsEqualGUID(riid, &IID_IPersistStream) ||
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IsEqualGUID(riid, &IID_IMoniker))
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{
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*ppv = iface;
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IMoniker_AddRef(iface);
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return S_OK;
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}
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FIXME("- no interface IID: %s\n", debugstr_guid(riid));
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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static ULONG WINAPI DEVENUM_IMediaCatMoniker_AddRef(IMoniker *iface)
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{
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MediaCatMoniker *This = impl_from_IMoniker(iface);
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p) ref=%d\n", This, ref);
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return ref;
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}
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static ULONG WINAPI DEVENUM_IMediaCatMoniker_Release(IMoniker *iface)
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{
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MediaCatMoniker *This = impl_from_IMoniker(iface);
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p) ref=%d\n", This, ref);
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if (ref == 0) {
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RegCloseKey(This->hkey);
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CoTaskMemFree(This);
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DEVENUM_UnlockModule();
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}
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return ref;
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}
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static HRESULT WINAPI DEVENUM_IMediaCatMoniker_GetClassID(IMoniker *iface, CLSID *pClassID)
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{
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MediaCatMoniker *This = impl_from_IMoniker(iface);
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FIXME("(%p)->(%p): stub\n", This, pClassID);
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if (pClassID == NULL)
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return E_POINTER;
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return E_NOTIMPL;
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}
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static HRESULT WINAPI DEVENUM_IMediaCatMoniker_IsDirty(IMoniker *iface)
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{
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FIXME("(%p)->(): stub\n", iface);
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return S_FALSE;
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}
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static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Load(IMoniker *iface, IStream *pStm)
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{
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FIXME("(%p)->(%p): stub\n", iface, pStm);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Save(IMoniker *iface, IStream *pStm, BOOL fClearDirty)
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{
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FIXME("(%p)->(%p, %s): stub\n", iface, pStm, fClearDirty ? "true" : "false");
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return STG_E_CANTSAVE;
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}
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static HRESULT WINAPI DEVENUM_IMediaCatMoniker_GetSizeMax(IMoniker *iface, ULARGE_INTEGER *pcbSize)
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{
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FIXME("(%p)->(%p): stub\n", iface, pcbSize);
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ZeroMemory(pcbSize, sizeof(*pcbSize));
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return S_OK;
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}
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static HRESULT WINAPI DEVENUM_IMediaCatMoniker_BindToObject(IMoniker *iface, IBindCtx *pbc,
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IMoniker *pmkToLeft, REFIID riidResult, void **ppvResult)
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{
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MediaCatMoniker *This = impl_from_IMoniker(iface);
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IUnknown * pObj = NULL;
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IPropertyBag * pProp = NULL;
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CLSID clsID;
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VARIANT var;
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HRESULT res = E_FAIL;
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TRACE("(%p)->(%p, %p, %s, %p)\n", This, pbc, pmkToLeft, debugstr_guid(riidResult), ppvResult);
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VariantInit(&var);
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*ppvResult = NULL;
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if(pmkToLeft==NULL)
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{
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/* first activation of this class */
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LPVOID pvptr;
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res=IMoniker_BindToStorage(iface, NULL, NULL, &IID_IPropertyBag, &pvptr);
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pProp = pvptr;
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if (SUCCEEDED(res))
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{
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V_VT(&var) = VT_LPWSTR;
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res = IPropertyBag_Read(pProp, clsid_keyname, &var, NULL);
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}
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if (SUCCEEDED(res))
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{
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res = CLSIDFromString(V_UNION(&var,bstrVal), &clsID);
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CoTaskMemFree(V_UNION(&var, bstrVal));
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}
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if (SUCCEEDED(res))
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{
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res=CoCreateInstance(&clsID,NULL,CLSCTX_ALL,&IID_IUnknown,&pvptr);
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pObj = pvptr;
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}
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}
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if (pObj!=NULL)
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{
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/* get the requested interface from the loaded class */
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res = S_OK;
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if (pProp) {
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HRESULT res2;
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LPVOID ppv = NULL;
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res2 = IUnknown_QueryInterface(pObj, &IID_IPersistPropertyBag, &ppv);
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if (SUCCEEDED(res2)) {
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res = IPersistPropertyBag_Load((IPersistPropertyBag *) ppv, pProp, NULL);
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IPersistPropertyBag_Release((IPersistPropertyBag *) ppv);
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}
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}
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if (SUCCEEDED(res))
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res= IUnknown_QueryInterface(pObj,riidResult,ppvResult);
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IUnknown_Release(pObj);
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}
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if (pProp)
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{
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IPropertyBag_Release(pProp);
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}
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TRACE("<- 0x%x\n", res);
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return res;
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}
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static HRESULT WINAPI DEVENUM_IMediaCatMoniker_BindToStorage(IMoniker *iface, IBindCtx *pbc,
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IMoniker *pmkToLeft, REFIID riid, void **ppvObj)
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{
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MediaCatMoniker *This = impl_from_IMoniker(iface);
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TRACE("(%p)->(%p, %p, %s, %p)\n", This, pbc, pmkToLeft, debugstr_guid(riid), ppvObj);
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*ppvObj = NULL;
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if (pmkToLeft)
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return MK_E_NOSTORAGE;
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if (pbc != NULL)
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{
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static DWORD reported;
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if (!reported)
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{
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FIXME("ignoring IBindCtx %p\n", pbc);
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reported++;
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}
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}
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if (IsEqualGUID(riid, &IID_IPropertyBag))
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{
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HANDLE hkey;
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DuplicateHandle(GetCurrentProcess(), This->hkey, GetCurrentProcess(), &hkey, 0, 0, DUPLICATE_SAME_ACCESS);
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return DEVENUM_IPropertyBag_Construct(hkey, (IPropertyBag**)ppvObj);
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}
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return MK_E_NOSTORAGE;
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}
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static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Reduce(IMoniker *iface, IBindCtx *pbc,
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DWORD dwReduceHowFar, IMoniker **ppmkToLeft, IMoniker **ppmkReduced)
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{
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TRACE("(%p)->(%p, %d, %p, %p)\n", iface, pbc, dwReduceHowFar, ppmkToLeft, ppmkReduced);
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if (ppmkToLeft)
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*ppmkToLeft = NULL;
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*ppmkReduced = iface;
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return MK_S_REDUCED_TO_SELF;
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}
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static HRESULT WINAPI DEVENUM_IMediaCatMoniker_ComposeWith(IMoniker *iface, IMoniker *pmkRight,
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BOOL fOnlyIfNotGeneric, IMoniker **ppmkComposite)
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{
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|
FIXME("(%p)->(%p, %s, %p): stub\n", iface, pmkRight, fOnlyIfNotGeneric ? "true" : "false", ppmkComposite);
|
|
|
|
/* FIXME: use CreateGenericComposite? */
|
|
*ppmkComposite = NULL;
|
|
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Enum(IMoniker *iface, BOOL fForward,
|
|
IEnumMoniker **ppenumMoniker)
|
|
{
|
|
FIXME("(%p)->(%s, %p): stub\n", iface, fForward ? "true" : "false", ppenumMoniker);
|
|
|
|
*ppenumMoniker = NULL;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_IsEqual(IMoniker *iface, IMoniker *pmkOtherMoniker)
|
|
{
|
|
FIXME("(%p)->(%p): stub\n", iface, pmkOtherMoniker);
|
|
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Hash(IMoniker *iface, DWORD *pdwHash)
|
|
{
|
|
TRACE("(%p)->(%p)\n", iface, pdwHash);
|
|
|
|
*pdwHash = 0;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_IsRunning(IMoniker *iface, IBindCtx *pbc,
|
|
IMoniker *pmkToLeft, IMoniker *pmkNewlyRunning)
|
|
{
|
|
FIXME("(%p)->(%p, %p, %p): stub\n", iface, pbc, pmkToLeft, pmkNewlyRunning);
|
|
|
|
return S_FALSE;
|
|
}
|
|
|
|
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_GetTimeOfLastChange(IMoniker *iface, IBindCtx *pbc,
|
|
IMoniker *pmkToLeft, FILETIME *pFileTime)
|
|
{
|
|
TRACE("(%p)->(%p, %p, %p)\n", iface, pbc, pmkToLeft, pFileTime);
|
|
|
|
pFileTime->dwLowDateTime = 0xFFFFFFFF;
|
|
pFileTime->dwHighDateTime = 0x7FFFFFFF;
|
|
|
|
return MK_E_UNAVAILABLE;
|
|
}
|
|
|
|
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Inverse(IMoniker *iface, IMoniker **ppmk)
|
|
{
|
|
TRACE("(%p)->(%p)\n", iface, ppmk);
|
|
|
|
*ppmk = NULL;
|
|
|
|
return MK_E_NOINVERSE;
|
|
}
|
|
|
|
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_CommonPrefixWith(IMoniker *iface,
|
|
IMoniker *pmkOtherMoniker, IMoniker **ppmkPrefix)
|
|
{
|
|
TRACE("(%p)->(%p, %p)\n", iface, pmkOtherMoniker, ppmkPrefix);
|
|
|
|
*ppmkPrefix = NULL;
|
|
|
|
return MK_E_NOPREFIX;
|
|
}
|
|
|
|
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_RelativePathTo(IMoniker *iface, IMoniker *pmkOther,
|
|
IMoniker **ppmkRelPath)
|
|
{
|
|
TRACE("(%p)->(%p, %p)\n", iface, pmkOther, ppmkRelPath);
|
|
|
|
*ppmkRelPath = pmkOther;
|
|
|
|
return MK_S_HIM;
|
|
}
|
|
|
|
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_GetDisplayName(IMoniker *iface, IBindCtx *pbc,
|
|
IMoniker *pmkToLeft, LPOLESTR *ppszDisplayName)
|
|
{
|
|
MediaCatMoniker *This = impl_from_IMoniker(iface);
|
|
WCHAR wszBuffer[MAX_PATH];
|
|
static const WCHAR wszFriendlyName[] = {'F','r','i','e','n','d','l','y','N','a','m','e',0};
|
|
LONG received = sizeof(wszFriendlyName);
|
|
|
|
TRACE("(%p)->(%p, %p, %p)\n", iface, pbc, pmkToLeft, ppszDisplayName);
|
|
|
|
*ppszDisplayName = NULL;
|
|
|
|
/* FIXME: should this be the weird stuff we have to parse in IParseDisplayName? */
|
|
if (RegQueryValueW(This->hkey, wszFriendlyName, wszBuffer, &received) == ERROR_SUCCESS)
|
|
{
|
|
*ppszDisplayName = CoTaskMemAlloc(received);
|
|
strcpyW(*ppszDisplayName, wszBuffer);
|
|
return S_OK;
|
|
}
|
|
|
|
return E_FAIL;
|
|
}
|
|
|
|
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_ParseDisplayName(IMoniker *iface, IBindCtx *pbc,
|
|
IMoniker *pmkToLeft, LPOLESTR pszDisplayName, ULONG *pchEaten, IMoniker **ppmkOut)
|
|
{
|
|
FIXME("(%p)->(%p, %p, %s, %p, %p)\n", iface, pbc, pmkToLeft, debugstr_w(pszDisplayName), pchEaten, ppmkOut);
|
|
|
|
*pchEaten = 0;
|
|
*ppmkOut = NULL;
|
|
|
|
return MK_E_SYNTAX;
|
|
}
|
|
|
|
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_IsSystemMoniker(IMoniker *iface, DWORD *pdwMksys)
|
|
{
|
|
TRACE("(%p)->(%p)\n", iface, pdwMksys);
|
|
|
|
return S_FALSE;
|
|
}
|
|
|
|
static const IMonikerVtbl IMoniker_Vtbl =
|
|
{
|
|
DEVENUM_IMediaCatMoniker_QueryInterface,
|
|
DEVENUM_IMediaCatMoniker_AddRef,
|
|
DEVENUM_IMediaCatMoniker_Release,
|
|
DEVENUM_IMediaCatMoniker_GetClassID,
|
|
DEVENUM_IMediaCatMoniker_IsDirty,
|
|
DEVENUM_IMediaCatMoniker_Load,
|
|
DEVENUM_IMediaCatMoniker_Save,
|
|
DEVENUM_IMediaCatMoniker_GetSizeMax,
|
|
DEVENUM_IMediaCatMoniker_BindToObject,
|
|
DEVENUM_IMediaCatMoniker_BindToStorage,
|
|
DEVENUM_IMediaCatMoniker_Reduce,
|
|
DEVENUM_IMediaCatMoniker_ComposeWith,
|
|
DEVENUM_IMediaCatMoniker_Enum,
|
|
DEVENUM_IMediaCatMoniker_IsEqual,
|
|
DEVENUM_IMediaCatMoniker_Hash,
|
|
DEVENUM_IMediaCatMoniker_IsRunning,
|
|
DEVENUM_IMediaCatMoniker_GetTimeOfLastChange,
|
|
DEVENUM_IMediaCatMoniker_Inverse,
|
|
DEVENUM_IMediaCatMoniker_CommonPrefixWith,
|
|
DEVENUM_IMediaCatMoniker_RelativePathTo,
|
|
DEVENUM_IMediaCatMoniker_GetDisplayName,
|
|
DEVENUM_IMediaCatMoniker_ParseDisplayName,
|
|
DEVENUM_IMediaCatMoniker_IsSystemMoniker
|
|
};
|
|
|
|
MediaCatMoniker * DEVENUM_IMediaCatMoniker_Construct(void)
|
|
{
|
|
MediaCatMoniker * pMoniker = NULL;
|
|
pMoniker = CoTaskMemAlloc(sizeof(MediaCatMoniker));
|
|
if (!pMoniker)
|
|
return NULL;
|
|
|
|
pMoniker->IMoniker_iface.lpVtbl = &IMoniker_Vtbl;
|
|
pMoniker->ref = 0;
|
|
pMoniker->hkey = NULL;
|
|
|
|
DEVENUM_IMediaCatMoniker_AddRef(&pMoniker->IMoniker_iface);
|
|
|
|
DEVENUM_LockModule();
|
|
|
|
return pMoniker;
|
|
}
|
|
|
|
static inline EnumMonikerImpl *impl_from_IEnumMoniker(IEnumMoniker *iface)
|
|
{
|
|
return CONTAINING_RECORD(iface, EnumMonikerImpl, IEnumMoniker_iface);
|
|
}
|
|
|
|
static HRESULT WINAPI DEVENUM_IEnumMoniker_QueryInterface(IEnumMoniker *iface, REFIID riid,
|
|
void **ppv)
|
|
{
|
|
TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
|
|
|
|
if (!ppv)
|
|
return E_POINTER;
|
|
|
|
if (IsEqualGUID(riid, &IID_IUnknown) ||
|
|
IsEqualGUID(riid, &IID_IEnumMoniker))
|
|
{
|
|
*ppv = iface;
|
|
IEnumMoniker_AddRef(iface);
|
|
return S_OK;
|
|
}
|
|
|
|
FIXME("- no interface IID: %s\n", debugstr_guid(riid));
|
|
*ppv = NULL;
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
static ULONG WINAPI DEVENUM_IEnumMoniker_AddRef(IEnumMoniker *iface)
|
|
{
|
|
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
|
|
ULONG ref = InterlockedIncrement(&This->ref);
|
|
|
|
TRACE("(%p) ref=%d\n", This, ref);
|
|
|
|
return ref;
|
|
}
|
|
|
|
static ULONG WINAPI DEVENUM_IEnumMoniker_Release(IEnumMoniker *iface)
|
|
{
|
|
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
|
|
ULONG ref = InterlockedDecrement(&This->ref);
|
|
|
|
TRACE("(%p) ref=%d\n", This, ref);
|
|
|
|
if (!ref)
|
|
{
|
|
RegCloseKey(This->hkey);
|
|
CoTaskMemFree(This);
|
|
DEVENUM_UnlockModule();
|
|
return 0;
|
|
}
|
|
return ref;
|
|
}
|
|
|
|
static HRESULT WINAPI DEVENUM_IEnumMoniker_Next(IEnumMoniker *iface, ULONG celt, IMoniker **rgelt,
|
|
ULONG *pceltFetched)
|
|
{
|
|
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
|
|
WCHAR buffer[MAX_PATH + 1];
|
|
LONG res;
|
|
ULONG fetched = 0;
|
|
MediaCatMoniker * pMoniker;
|
|
|
|
TRACE("(%p)->(%d, %p, %p)\n", iface, celt, rgelt, pceltFetched);
|
|
|
|
while (fetched < celt)
|
|
{
|
|
res = RegEnumKeyW(This->hkey, This->index, buffer, sizeof(buffer) / sizeof(WCHAR));
|
|
if (res != ERROR_SUCCESS)
|
|
{
|
|
break;
|
|
}
|
|
pMoniker = DEVENUM_IMediaCatMoniker_Construct();
|
|
if (!pMoniker)
|
|
return E_OUTOFMEMORY;
|
|
|
|
if (RegOpenKeyW(This->hkey, buffer, &pMoniker->hkey) != ERROR_SUCCESS)
|
|
{
|
|
IMoniker_Release(&pMoniker->IMoniker_iface);
|
|
break;
|
|
}
|
|
rgelt[fetched] = &pMoniker->IMoniker_iface;
|
|
fetched++;
|
|
}
|
|
|
|
This->index += fetched;
|
|
|
|
TRACE("-- fetched %d\n", fetched);
|
|
|
|
if (pceltFetched)
|
|
*pceltFetched = fetched;
|
|
|
|
if (fetched != celt)
|
|
return S_FALSE;
|
|
else
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI DEVENUM_IEnumMoniker_Skip(IEnumMoniker *iface, ULONG celt)
|
|
{
|
|
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
|
|
DWORD subKeys;
|
|
|
|
TRACE("(%p)->(%d)\n", iface, celt);
|
|
|
|
/* Before incrementing, check if there are any more values to run through.
|
|
Some programs use the Skip() function to get the number of devices */
|
|
if(RegQueryInfoKeyW(This->hkey, NULL, NULL, NULL, &subKeys, NULL, NULL, NULL, NULL, NULL, NULL, NULL) != ERROR_SUCCESS)
|
|
{
|
|
return S_FALSE;
|
|
}
|
|
if((This->index + celt) >= subKeys)
|
|
{
|
|
return S_FALSE;
|
|
}
|
|
|
|
This->index += celt;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI DEVENUM_IEnumMoniker_Reset(IEnumMoniker *iface)
|
|
{
|
|
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
|
|
|
|
TRACE("(%p)->()\n", iface);
|
|
|
|
This->index = 0;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI DEVENUM_IEnumMoniker_Clone(IEnumMoniker *iface, IEnumMoniker **ppenum)
|
|
{
|
|
FIXME("(%p)->(%p): stub\n", iface, ppenum);
|
|
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
/**********************************************************************
|
|
* IEnumMoniker_Vtbl
|
|
*/
|
|
static const IEnumMonikerVtbl IEnumMoniker_Vtbl =
|
|
{
|
|
DEVENUM_IEnumMoniker_QueryInterface,
|
|
DEVENUM_IEnumMoniker_AddRef,
|
|
DEVENUM_IEnumMoniker_Release,
|
|
DEVENUM_IEnumMoniker_Next,
|
|
DEVENUM_IEnumMoniker_Skip,
|
|
DEVENUM_IEnumMoniker_Reset,
|
|
DEVENUM_IEnumMoniker_Clone
|
|
};
|
|
|
|
HRESULT DEVENUM_IEnumMoniker_Construct(HKEY hkey, IEnumMoniker ** ppEnumMoniker)
|
|
{
|
|
EnumMonikerImpl * pEnumMoniker = CoTaskMemAlloc(sizeof(EnumMonikerImpl));
|
|
if (!pEnumMoniker)
|
|
return E_OUTOFMEMORY;
|
|
|
|
pEnumMoniker->IEnumMoniker_iface.lpVtbl = &IEnumMoniker_Vtbl;
|
|
pEnumMoniker->ref = 1;
|
|
pEnumMoniker->index = 0;
|
|
pEnumMoniker->hkey = hkey;
|
|
|
|
*ppEnumMoniker = &pEnumMoniker->IEnumMoniker_iface;
|
|
|
|
DEVENUM_LockModule();
|
|
|
|
return S_OK;
|
|
}
|