322 lines
9.4 KiB
C++
322 lines
9.4 KiB
C++
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/*****************************************************************************\
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FILE: EffectsBasePg.cpp
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DESCRIPTION:
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This code will be the base object that won't add any pages to the base
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"Display Properties" dialog. However, it will request a "Effects" page be
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added to the Advanced.
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BryanSt 4/13/2000 Updated and Converted to C++
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Copyright (C) Microsoft Corp 2000-2000. All rights reserved.
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\*****************************************************************************/
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#include "precomp.hxx"
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#include "shlwapip.h"
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#include "shlguidp.h"
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#pragma hdrstop
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#include "EffectsBasePg.h"
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#include "EffectsAdvPg.h"
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#include <cfgmgr32.h> // For MAX_GUID_STRING_LEN
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//============================================================================================================
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// *** Globals ***
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//============================================================================================================
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//===========================
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// *** Class Internals & Helpers ***
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//===========================
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HRESULT HrSysAllocString(IN const OLECHAR * pwzSource, OUT BSTR * pbstrDest)
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{
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HRESULT hr = S_OK;
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if (pbstrDest)
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{
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*pbstrDest = SysAllocString(pwzSource);
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if (pwzSource)
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{
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if (*pbstrDest)
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hr = S_OK;
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else
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hr = E_OUTOFMEMORY;
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}
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}
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return hr;
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}
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HRESULT CEffectsBasePage::_InitState(void)
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{
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HRESULT hr = S_OK;
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if (!m_pEffectsState)
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{
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m_pEffectsState = new CEffectState();
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if (m_pEffectsState)
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{
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m_pEffectsState->Load();
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}
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else
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{
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hr = E_OUTOFMEMORY;
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}
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}
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return hr;
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}
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HRESULT CEffectsBasePage::_SaveState(CEffectState * pEffectsState)
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{
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HRESULT hr = E_INVALIDARG;
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if (pEffectsState)
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{
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BOOL fHasIconsChanged = FALSE;
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if (m_pEffectsState)
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{
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fHasIconsChanged = pEffectsState->HasIconsChanged(m_pEffectsState);
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delete m_pEffectsState;
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}
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m_pEffectsState = pEffectsState;
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hr = S_OK;
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// Only switch to "Custom" if the icons changed.
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if (_punkSite && fHasIconsChanged)
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{
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// We need to tell the Theme tab to customize the theme.
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IPropertyBag * pPropertyBag;
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hr = _punkSite->QueryInterface(IID_PPV_ARG(IPropertyBag, &pPropertyBag));
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if (SUCCEEDED(hr))
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{
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// Tell the theme that we have customized the values.
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hr = SHPropertyBag_WriteInt(pPropertyBag, SZ_PBPROP_CUSTOMIZE_THEME, 0);
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pPropertyBag->Release();
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}
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}
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}
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return hr;
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}
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//===========================
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// *** IBasePropPage Interface ***
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//===========================
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#define SZ_ICONHEADER L"CLSID\\{"
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HRESULT CEffectsBasePage::Read(IN LPCOLESTR pszPropName, IN VARIANT * pVar, IN IErrorLog *pErrorLog)
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{
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HRESULT hr = E_INVALIDARG;
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if (pszPropName && pVar)
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{
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// The caller can pass us the string in the following format:
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// pszPropName="CLSID\{<CLSID>}\DefaultIcon:<Item>" = "<FilePath>,<ResourceIndex>"
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// For example:
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// pszPropName="CLSID\{20D04FE0-3AEA-1069-A2D8-08002B30309D}\DefaultIcon:DefaultValue" = "%WinDir%SYSTEM\COOL.DLL,16"
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if (!StrCmpNIW(SZ_ICONHEADER, pszPropName, ARRAYSIZE(SZ_ICONHEADER) - 1) &&
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((ARRAYSIZE(SZ_ICONHEADER) + 38) < lstrlenW(pszPropName)))
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{
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hr = _InitState();
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if (SUCCEEDED(hr))
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{
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CLSID clsid;
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WCHAR szTemp[MAX_PATH];
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// Get the CLSID
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StrCpyNW(szTemp, &(pszPropName[ARRAYSIZE(SZ_ICONHEADER) - 2]), MAX_GUID_STRING_LEN);
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hr = SHCLSIDFromString(szTemp, &clsid);
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if (SUCCEEDED(hr))
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{
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// Get the name of the icon type. Normally this is "DefaultIcon", but it can be several states, like
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// "full" and "empty" for the recycle bin.
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LPCWSTR pszToken = StrChrW((pszPropName + ARRAYSIZE(SZ_ICONHEADER)), L':');
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hr = E_FAIL;
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if (pszToken)
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{
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TCHAR szIconPath[MAX_PATH];
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pszToken++;
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hr = m_pEffectsState->GetIconPath(clsid, pszToken, szIconPath, ARRAYSIZE(szIconPath));
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if (SUCCEEDED(hr))
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{
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pVar->vt = VT_BSTR;
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hr = HrSysAllocString(szIconPath, &pVar->bstrVal);
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}
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}
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}
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}
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}
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else if (!StrCmpW(SZ_PBPROP_EFFECTSSTATE, pszPropName) && m_pEffectsState)
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{
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pVar->vt = VT_BYREF;
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pVar->byref = (void *)&m_pEffectsState;
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hr = S_OK;
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}
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}
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return hr;
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}
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HRESULT CEffectsBasePage::Write(IN LPCOLESTR pszPropName, IN VARIANT *pVar)
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{
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HRESULT hr = E_INVALIDARG;
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if (pszPropName && pVar)
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{
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if (VT_BSTR == pVar->vt)
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{
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// The caller can pass us the string in the following format:
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// pszPropName="CLSID\{<CLSID>}\DefaultIcon:<Item>" = "<FilePath>,<ResourceIndex>"
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// For example:
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// pszPropName="CLSID\{20D04FE0-3AEA-1069-A2D8-08002B30309D}\DefaultIcon:DefaultValue" = "%WinDir%SYSTEM\COOL.DLL,16"
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if (!StrCmpNIW(SZ_ICONHEADER, pszPropName, ARRAYSIZE(SZ_ICONHEADER) - 1) &&
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((ARRAYSIZE(SZ_ICONHEADER) + 38) < lstrlenW(pszPropName)))
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{
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hr = _InitState();
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if (SUCCEEDED(hr))
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{
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CLSID clsid;
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WCHAR szTemp[MAX_PATH];
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// Get the CLSID
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StrCpyNW(szTemp, &(pszPropName[ARRAYSIZE(SZ_ICONHEADER) - 2]), MAX_GUID_STRING_LEN);
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hr = SHCLSIDFromString(szTemp, &clsid);
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if (SUCCEEDED(hr))
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{
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// Get the name of the icon type. Normally this is "DefaultIcon", but it can be several states, like
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// "full" and "empty" for the recycle bin.
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LPCWSTR pszToken = StrChrW((pszPropName + ARRAYSIZE(SZ_ICONHEADER)), L':');
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hr = E_FAIL;
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if (pszToken)
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{
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pszToken++;
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StrCpyNW(szTemp, pszToken, ARRAYSIZE(szTemp));
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// Now the pVar->bstrVal is the icon path + "," + resourceID. Separate those two.
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WCHAR szPath[MAX_PATH];
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StrCpyNW(szPath, pVar->bstrVal, ARRAYSIZE(szPath));
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int nResourceID = PathParseIconLocationW(szPath);
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hr = m_pEffectsState->SetIconPath(clsid, szTemp, szPath, nResourceID);
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}
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}
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}
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}
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}
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else if (VT_BYREF == pVar->vt)
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{
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// The caller is passing us a (CEffectState *) object to save.
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if (!StrCmpW(SZ_PBPROP_EFFECTSSTATE, pszPropName))
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{
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hr = _SaveState((CEffectState *) pVar->byref);
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}
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}
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}
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return hr;
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}
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//===========================
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// *** IBasePropPage Interface ***
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//===========================
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HRESULT CEffectsBasePage::GetAdvancedDialog(OUT IAdvancedDialog ** ppAdvDialog)
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{
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HRESULT hr = E_INVALIDARG;
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if (ppAdvDialog)
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{
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*ppAdvDialog = NULL;
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hr = _InitState();
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if (SUCCEEDED(hr))
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{
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hr = CEffectsPage_CreateInstance(ppAdvDialog);
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}
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}
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return hr;
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}
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HRESULT CEffectsBasePage::OnApply(IN PROPPAGEONAPPLY oaAction)
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{
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HRESULT hr = S_OK;
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if ((PPOAACTION_CANCEL != oaAction) && m_pEffectsState)
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{
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hr = m_pEffectsState->Save();
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// Make sure we reload the state next time we open the dialog.
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delete m_pEffectsState;
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m_pEffectsState = NULL;
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}
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return hr;
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}
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//===========================
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// *** IShellPropSheetExt Interface ***
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//===========================
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HRESULT CEffectsBasePage::AddPages(IN LPFNSVADDPROPSHEETPAGE pfnAddPage, IN LPARAM lParam)
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{
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// We don't want to add any pages to the base dialog since we moved the
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// "Effects" tab to the Advanced dlg.
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return S_OK;
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}
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//===========================
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// *** IUnknown Interface ***
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//===========================
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HRESULT CEffectsBasePage::QueryInterface(REFIID riid, void **ppvObj)
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{
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HRESULT hr = E_NOINTERFACE;
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static const QITAB qit[] =
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{
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QITABENT(CEffectsBasePage, IBasePropPage),
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QITABENT(CEffectsBasePage, IPropertyBag),
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QITABENT(CEffectsBasePage, IPersist),
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QITABENT(CEffectsBasePage, IObjectWithSite),
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QITABENTMULTI(CEffectsBasePage, IShellPropSheetExt, IBasePropPage),
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{ 0 },
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};
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return QISearch(this, qit, riid, ppvObj);
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}
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//===========================
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// *** Class Methods ***
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//===========================
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CEffectsBasePage::CEffectsBasePage(IUnknown * punkOuter, LPFNDESTROYED pfnDestroy) : CPropSheetExt(punkOuter, pfnDestroy), CObjectCLSID(&PPID_Effects)
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{
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// This needs to be allocated in Zero Inited Memory.
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// Assert that all Member Variables are inited to Zero.
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m_fDirty = FALSE;
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}
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CEffectsBasePage::~CEffectsBasePage()
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{
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}
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