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458 lines
12 KiB
458 lines
12 KiB
//+----------------------------------------------------------------------------
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//
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// Windows NT Active Directory Property Page Sample
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//
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// The code contained in this source file is for demonstration purposes only.
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// No warrantee is expressed or implied and Microsoft disclaims all liability
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// for the consequenses of the use of this source code.
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1999
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//
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// File: page.cxx
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//
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// Contents: CDsPropPage, the class that implements the sample property
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// page.
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//
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// History: 8-Sep-97 Eric Brown created
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// 24-Sep-98 " " revised to include notification object.
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//
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//-----------------------------------------------------------------------------
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#include "page.h"
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WCHAR wzSpendingLimit[] = L"spendingLimit";
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//+----------------------------------------------------------------------------
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//
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// Member: CDsPropPage::CDsPropPage
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//
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//-----------------------------------------------------------------------------
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CDsPropPage::CDsPropPage(HWND hNotifyObj) :
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m_hPage(NULL),
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m_pDsObj(NULL),
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m_fInInit(FALSE),
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m_fPageDirty(FALSE),
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m_pwzObjPathName(NULL),
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m_pwzObjClass(NULL),
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m_pwzRDName(NULL),
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m_hNotifyObj(hNotifyObj),
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m_pWritableAttrs(NULL),
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m_hrInit(S_OK)
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{
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}
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//+----------------------------------------------------------------------------
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//
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// Member: CDsPropPage::~CDsPropPage
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//
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// Notes: m_pWritableAttrs does not need to be freed. It refers to
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// memory held by the notify object and freed when the notify
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// object is destroyed.
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//
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//-----------------------------------------------------------------------------
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CDsPropPage::~CDsPropPage()
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{
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if (m_pDsObj)
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{
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m_pDsObj->Release();
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}
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if (m_pwzObjPathName)
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{
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delete m_pwzObjPathName;
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}
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if (m_pwzObjClass)
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{
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delete m_pwzObjClass;
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}
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if (m_pwzRDName)
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{
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delete m_pwzRDName;
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}
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}
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//+----------------------------------------------------------------------------
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//
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// Method: CDsPropPage::CreatePage
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//
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// Sysnopsis: Create the prop page
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//
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// Notes: if m_hrInit contains a failure code at this point, then an
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// error page template could be substituted for the regular one.
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//
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//-----------------------------------------------------------------------------
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HRESULT
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CDsPropPage::CreatePage(HPROPSHEETPAGE * phPage)
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{
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TCHAR szTitle[MAX_PATH];
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if (!LoadString(g_hInstance, IDS_PAGE_TITLE, szTitle, MAX_PATH - 1))
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{
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DWORD dwErr = GetLastError();
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return HRESULT_FROM_WIN32(GetLastError());
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}
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PROPSHEETPAGE psp;
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psp.dwSize = sizeof(PROPSHEETPAGE);
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psp.dwFlags = PSP_USECALLBACK | PSP_USETITLE;
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psp.pszTemplate = (LPCTSTR)IDD_SAMPLE_PAGE;
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psp.pfnDlgProc = (DLGPROC)StaticDlgProc;
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psp.pfnCallback = PageCallback;
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psp.pcRefParent = NULL; // do not set PSP_USEREFPARENT
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psp.lParam = (LPARAM) this;
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psp.hInstance = g_hInstance;
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psp.pszTitle = L"Spending Limit";
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*phPage = CreatePropertySheetPage(&psp);
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if (*phPage == NULL)
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{
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return HRESULT_FROM_WIN32(GetLastError());
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}
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return S_OK;
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}
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//+----------------------------------------------------------------------------
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//
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// Method: CDsPropPage::Init
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//
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// Sysnopsis: Initialize the page object. This is the second part of a two
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// phase creation where operations that could fail are located.
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//
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//-----------------------------------------------------------------------------
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HRESULT
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CDsPropPage::Init(PWSTR pwzObjName, PWSTR pwzClass)
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{
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m_pwzObjPathName = new WCHAR[wcslen(pwzObjName) + 1];
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if (m_pwzObjPathName == NULL )
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{
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return E_OUTOFMEMORY;
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}
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m_pwzObjClass = new WCHAR[wcslen(pwzClass) + 1];
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if (m_pwzObjClass == NULL)
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{
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return E_OUTOFMEMORY;
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}
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wcscpy(m_pwzObjPathName, pwzObjName);
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wcscpy(m_pwzObjClass, pwzClass);
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//
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// NOTIFY_OBJ
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// Contact the notification object for the initialization info.
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//
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ADSPROPINITPARAMS InitParams = {0};
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InitParams.dwSize = sizeof (ADSPROPINITPARAMS);
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if (!ADsPropGetInitInfo(m_hNotifyObj, &InitParams))
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{
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m_hrInit = E_FAIL;
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return E_FAIL;
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}
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if (FAILED(InitParams.hr))
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{
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m_hrInit = InitParams.hr;
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return m_hrInit;
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}
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m_pwzRDName = new WCHAR[wcslen(InitParams.pwzCN) + 1];
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if (m_pwzRDName == NULL)
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{
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m_hrInit = E_OUTOFMEMORY;
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return E_OUTOFMEMORY;
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}
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m_pDsObj = InitParams.pDsObj;
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m_pDsObj->AddRef();
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m_pWritableAttrs = InitParams.pWritableAttrs;
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return S_OK;
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}
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//+----------------------------------------------------------------------------
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//
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// Method: StaticDlgProc
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//
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// Sysnopsis: static dialog proc
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//
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//-----------------------------------------------------------------------------
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LRESULT CALLBACK
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StaticDlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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CDsPropPage * pPage = (CDsPropPage *)GetWindowLongPtr(hDlg, DWLP_USER);
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if (uMsg == WM_INITDIALOG)
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{
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LPPROPSHEETPAGE ppsp = (LPPROPSHEETPAGE)lParam;
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pPage = (CDsPropPage *) ppsp->lParam;
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pPage->m_hPage = hDlg;
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SetWindowLongPtr(hDlg, DWLP_USER, (LONG_PTR)pPage);
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}
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switch (uMsg)
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{
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case WM_INITDIALOG:
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pPage->m_fInInit = TRUE;
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pPage->OnInitDialog(lParam);
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pPage->m_fInInit = FALSE;
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return TRUE;
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case WM_COMMAND:
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return pPage->OnCommand(LOWORD(wParam),(HWND)lParam, HIWORD(wParam));
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case WM_NOTIFY:
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return pPage->OnNotify(uMsg, wParam, lParam);
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}
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return FALSE;
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}
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//+----------------------------------------------------------------------------
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//
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// Method: CDsPropPage::OnInitDialog
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//
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// Sysnopsis: Handles dialog initialization messages
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//
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//-----------------------------------------------------------------------------
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LRESULT
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CDsPropPage::OnInitDialog(LPARAM lParam)
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{
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PADS_ATTR_INFO pAttrs = NULL;
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DWORD cAttrs = 0;
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HRESULT hr = S_OK;
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//
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// NOTIFY_OBJ
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// Send the notification object the page's window handle.
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//
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if (!ADsPropSetHwnd(m_hNotifyObj, m_hPage, NULL))
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{
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m_pWritableAttrs = NULL;
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}
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//
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// Disable the edit control if the user does not have write permission on
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// the attribute.
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//
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if (!ADsPropCheckIfWritable(wzSpendingLimit, m_pWritableAttrs))
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{
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EnableWindow(GetDlgItem (m_hPage, IDC_SPENDING_EDIT), FALSE);
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}
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//
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// Get the attribute value.
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//
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PWSTR rgpwzAttrNames[] = {wzSpendingLimit};
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hr = m_pDsObj->GetObjectAttributes(rgpwzAttrNames, 1, &pAttrs, &cAttrs);
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if (FAILED(hr))
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{
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// Display an error.
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return TRUE;
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}
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if (cAttrs == 1 && pAttrs->dwNumValues > 0)
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{
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// Display the value.
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//
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SetWindowText(GetDlgItem (m_hPage, IDC_SPENDING_EDIT),
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pAttrs->pADsValues->CaseIgnoreString);
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}
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return TRUE;
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}
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//+----------------------------------------------------------------------------
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//
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// Method: CDsPropPage::OnNotify
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//
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// Sysnopsis: Handles notification messages
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//
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//-----------------------------------------------------------------------------
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LRESULT
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CDsPropPage::OnNotify(UINT uMessage, WPARAM wParam, LPARAM lParam)
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{
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switch (((LPNMHDR)lParam)->code)
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{
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case PSN_APPLY:
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if (!m_fPageDirty)
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{
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return PSNRET_NOERROR;
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}
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{
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LRESULT lResult = OnApply();
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// Store the result into the dialog
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SetWindowLongPtr(m_hPage, DWLP_MSGRESULT, lResult);
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}
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return TRUE;
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case PSN_RESET:
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return FALSE; // allow the property sheet to be destroyed.
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case PSN_SETACTIVE:
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return OnPSNSetActive(lParam);
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case PSN_KILLACTIVE:
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return OnPSNKillActive(lParam);
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}
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return TRUE;
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}
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//+----------------------------------------------------------------------------
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//
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// Method: CDsPropPage::OnCommand
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//
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// Sysnopsis: Handles the WM_COMMAND message
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//
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//-----------------------------------------------------------------------------
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LRESULT
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CDsPropPage::OnCommand(int id, HWND hwndCtl, UINT codeNotify)
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{
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if ((codeNotify == EN_CHANGE) && !m_fInInit)
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{
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SetDirty();
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}
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if ((codeNotify == BN_CLICKED) && (id == IDCANCEL))
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{
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//
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// Pressing ESC in a multi-line edit control results in this
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// WM_COMMAND being sent. Pass it on to the parent (the sheet proc) to
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// close the sheet.
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//
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PostMessage(GetParent(m_hPage), WM_COMMAND, MAKEWPARAM(id, codeNotify),
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(LPARAM)hwndCtl);
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}
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return 0;
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}
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//+----------------------------------------------------------------------------
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//
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// Method: CDsPropPage::OnApply
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//
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// Sysnopsis: Handles the PSN_APPLY notification message
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//
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//-----------------------------------------------------------------------------
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LRESULT
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CDsPropPage::OnApply()
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{
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HRESULT hr = S_OK;
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DWORD cModified;
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ADS_ATTR_INFO aAttrs[1];
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PADS_ATTR_INFO pAttrs = aAttrs;
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WCHAR wzEdit[MAX_PATH];
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UINT cch;
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ADSVALUE Value;
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PWSTR rgpwzAttrNames[] = {wzSpendingLimit};
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cch = GetDlgItemText(m_hPage, IDC_SPENDING_EDIT, wzEdit, MAX_PATH);
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pAttrs[0].dwADsType = ADSTYPE_CASE_IGNORE_STRING;
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pAttrs[0].pszAttrName = rgpwzAttrNames[0];
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if (cch > 0)
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{
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Value.dwType = ADSTYPE_CASE_IGNORE_STRING;
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Value.CaseIgnoreString = wzEdit;
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pAttrs[0].pADsValues = &Value;
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pAttrs[0].dwNumValues = 1;
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pAttrs[0].dwControlCode = ADS_ATTR_UPDATE;
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}
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else
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{
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pAttrs[0].pADsValues = NULL;
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pAttrs[0].dwNumValues = 0;
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pAttrs[0].dwControlCode = ADS_ATTR_CLEAR;
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}
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//
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// Write the changes.
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//
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hr = m_pDsObj->SetObjectAttributes(pAttrs, 1, &cModified);
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//
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// NOTIFY_OBJ
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// Signal the change notification. Note that the notify-apply
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// message must be sent even if the page is not dirty so that the
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// notify ref-counting will properly decrement.
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//
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SendMessage(m_hNotifyObj, WM_ADSPROP_NOTIFY_APPLY, TRUE, 0);
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m_fPageDirty = FALSE;
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return FALSE;
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}
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//+----------------------------------------------------------------------------
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//
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// Method: CDsPropPage::OnPSNSetActive
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//
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// Sysnopsis: Page activation event.
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//
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//-----------------------------------------------------------------------------
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LRESULT
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CDsPropPage::OnPSNSetActive(LPARAM lParam)
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{
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SetWindowLongPtr(m_hPage, DWLP_MSGRESULT, 0);
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return TRUE;
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}
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//+----------------------------------------------------------------------------
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//
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// Method: CDsPropPage::OnPSNKillActive
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//
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// Sysnopsis: Page deactivation event (when other pages cover this one).
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//
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//-----------------------------------------------------------------------------
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LRESULT
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CDsPropPage::OnPSNKillActive(LPARAM lParam)
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{
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SetWindowLongPtr(m_hPage, DWLP_MSGRESULT, 0);
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return TRUE;
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}
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//+----------------------------------------------------------------------------
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//
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// Method: CDsPropPage::PageCallback
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//
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// Sysnopsis: Callback used to free the CDsPropPage object when the
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// property sheet has been destroyed.
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//
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//-----------------------------------------------------------------------------
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UINT CALLBACK
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CDsPropPage::PageCallback(HWND hDlg, UINT uMsg, LPPROPSHEETPAGE ppsp)
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{
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if (uMsg == PSPCB_RELEASE)
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{
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//
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// Determine instance that invoked this static function
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//
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CDsPropPage * pPage = (CDsPropPage *) ppsp->lParam;
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if (IsWindow(pPage->m_hNotifyObj))
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{
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//
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// NOTIFY_OBJ
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// Tell the notification object to shut down.
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//
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SendMessage(pPage->m_hNotifyObj, WM_ADSPROP_NOTIFY_EXIT, 0, 0);
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}
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delete pPage;
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SetWindowLongPtr(hDlg, DWLP_USER, (LONG_PTR)NULL);
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}
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return TRUE;
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}
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