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400 lines
9.2 KiB
400 lines
9.2 KiB
/*++
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Module Name:
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mvEdit.cpp
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Abstract:
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This module contains the declaration of the CMultiValuedStringEdit.
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This class displays the dialog to edit multi-valued string.
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*/
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#include "stdafx.h"
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#include "mvEdit.h"
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#include "utils.h"
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#include "dfshelp.h"
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/////////////////////////////////////////////////////////////////////////////
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// CMultiValuedStringEdit
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CMultiValuedStringEdit::CMultiValuedStringEdit(int nDlgTitle, int nText, UINT uiStringLengthLimit) :
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m_nDlgTitle(nDlgTitle),
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m_nText(nText)
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{
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m_uiStringLengthLimit = ((0 == uiStringLengthLimit) ? MAX_PATH : uiStringLengthLimit);
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}
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CMultiValuedStringEdit::~CMultiValuedStringEdit()
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{
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}
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HRESULT CMultiValuedStringEdit::put_Strings(
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IN BSTR i_bstrValues,
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IN BSTR i_bstrSeparators
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)
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{
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if (!i_bstrSeparators || 1 != lstrlen(i_bstrSeparators))
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return E_INVALIDARG;
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m_bstrValues.Empty();
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if (i_bstrValues)
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{
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m_bstrValues = i_bstrValues;
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RETURN_OUTOFMEMORY_IF_NULL((BSTR)m_bstrValues);
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}
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m_bstrSeparators = i_bstrSeparators;
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RETURN_OUTOFMEMORY_IF_NULL((BSTR)m_bstrSeparators);
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if ((BSTR)m_bstrValues)
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_tcslwr((BSTR)m_bstrValues);
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_tcslwr((BSTR)m_bstrSeparators);
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return S_OK;
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}
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HRESULT CMultiValuedStringEdit::get_Strings
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(
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BSTR *o_pbstrValues
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)
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{
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RETURN_INVALIDARG_IF_NULL(o_pbstrValues);
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*o_pbstrValues = NULL;
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if ((BSTR)m_bstrValues)
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GET_BSTR(m_bstrValues, o_pbstrValues);
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}
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LRESULT CMultiValuedStringEdit::OnInitDialog
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(
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UINT uMsg,
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WPARAM wParam,
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LPARAM lParam,
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BOOL& bHandled
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)
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{
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HWND hwnd = GetDlgItem(IDC_MVSTRINGEDIT_LIST);
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RECT rect = {0};
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::GetWindowRect(hwnd, &rect);
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int nControlWidth = rect.right - rect.left;
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int nVScrollbarWidth = GetSystemMetrics(SM_CXVSCROLL);
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int nBorderWidth = GetSystemMetrics(SM_CXBORDER);
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int nControlNetWidth = nControlWidth - 4 * nBorderWidth;
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LVCOLUMN lvColumn = {0};
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lvColumn.mask = LVCF_FMT | LVCF_SUBITEM | LVCF_WIDTH;
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lvColumn.fmt = LVCFMT_LEFT;
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lvColumn.iSubItem = 0;
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lvColumn.cx = nControlNetWidth;
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ListView_InsertColumn(hwnd, 0, &lvColumn);
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::EnableWindow(GetDlgItem(IDC_MVSTRINGEDIT_ADD), FALSE);
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::EnableWindow(GetDlgItem(IDC_MVSTRINGEDIT_REMOVE), FALSE);
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if (m_nDlgTitle)
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{
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CComBSTR bstrTitle;
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LoadStringFromResource(m_nDlgTitle, &bstrTitle);
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SetWindowText(bstrTitle);
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}
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if (m_nText)
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{
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CComBSTR bstrText;
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LoadStringFromResource(m_nText, &bstrText);
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SetDlgItemText(IDC_MVSTRINGEDIT_TEXT, bstrText);
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}
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SendDlgItemMessage(IDC_MVSTRINGEDIT_STRING, EM_LIMITTEXT, m_uiStringLengthLimit, 0);
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if (!m_bstrValues || !*m_bstrValues)
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return TRUE;
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CComBSTR bstrToken;
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int index = 0;
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HRESULT hr = mystrtok(m_bstrValues, &index, m_bstrSeparators, &bstrToken);
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while (SUCCEEDED(hr) && (BSTR)bstrToken)
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{
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_tcslwr((BSTR)bstrToken);
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LVITEM lvItem = {0};
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lvItem.mask = LVIF_TEXT;
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lvItem.pszText = bstrToken;
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ListView_InsertItem(hwnd, &lvItem);
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bstrToken.Empty();
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hr = mystrtok(m_bstrValues, &index, m_bstrSeparators, &bstrToken);;
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}
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return TRUE; // Let the system set the focus
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}
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/*++
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This function is called when a user clicks the ? in the top right of a property sheet
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and then clciks a control, or when they hit F1 in a control.
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--*/
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LRESULT CMultiValuedStringEdit::OnCtxHelp(
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IN UINT i_uMsg,
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IN WPARAM i_wParam,
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IN LPARAM i_lParam,
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IN OUT BOOL& io_bHandled
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)
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{
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LPHELPINFO lphi = (LPHELPINFO) i_lParam;
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if (!lphi || lphi->iContextType != HELPINFO_WINDOW || lphi->iCtrlId < 0)
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return FALSE;
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::WinHelp((HWND)(lphi->hItemHandle),
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DFS_CTX_HELP_FILE,
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HELP_WM_HELP,
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(DWORD_PTR)(PVOID)g_aHelpIDs_IDD_MVSTRINGEDIT);
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return TRUE;
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}
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/*++
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This function handles "What's This" help when a user right clicks the control
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--*/
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LRESULT CMultiValuedStringEdit::OnCtxMenuHelp(
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IN UINT i_uMsg,
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IN WPARAM i_wParam,
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IN LPARAM i_lParam,
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IN OUT BOOL& io_bHandled
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)
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{
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::WinHelp((HWND)i_wParam,
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DFS_CTX_HELP_FILE,
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HELP_CONTEXTMENU,
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(DWORD_PTR)(PVOID)g_aHelpIDs_IDD_MVSTRINGEDIT);
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return TRUE;
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}
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LRESULT CMultiValuedStringEdit::OnString
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(
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WORD wNotifyCode,
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WORD wID,
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HWND hWndCtl,
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BOOL& bHandled
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)
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{
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::EnableWindow(GetDlgItem(IDC_MVSTRINGEDIT_ADD),
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(0 < ::GetWindowTextLength(GetDlgItem(IDC_MVSTRINGEDIT_STRING))));
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return TRUE;
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}
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LRESULT CMultiValuedStringEdit::OnNotify
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(
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IN UINT i_uMsg,
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IN WPARAM i_wParam,
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IN LPARAM i_lParam,
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IN OUT BOOL& io_bHandled
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)
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{
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NMHDR* pNMHDR = (NMHDR*)i_lParam;
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if (IDC_MVSTRINGEDIT_LIST == pNMHDR->idFrom)
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{
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if (LVN_ITEMCHANGED == pNMHDR->code)
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{
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int nCount = ListView_GetSelectedCount(GetDlgItem(IDC_MVSTRINGEDIT_LIST));
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::EnableWindow(GetDlgItem(IDC_MVSTRINGEDIT_REMOVE), (nCount >= 1));
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}
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}
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return FALSE;
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}
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LRESULT CMultiValuedStringEdit::OnAdd
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(
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WORD wNotifyCode,
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WORD wID,
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HWND hWndCtl,
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BOOL& bHandled
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)
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{
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CComBSTR bstr;
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DWORD dwTextLength = 0;
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HRESULT hr = GetInputText(GetDlgItem(IDC_MVSTRINGEDIT_STRING), &bstr, &dwTextLength);
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if (FAILED(hr))
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{
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DisplayMessageBoxForHR(hr);
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} else if (0 < dwTextLength)
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{
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_tcslwr((BSTR)bstr);
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if (!_tcschr(bstr, *m_bstrSeparators))
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{
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LVFINDINFO lvInfo = {0};
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lvInfo.flags = LVFI_STRING;
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lvInfo.psz = bstr;
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HWND hwnd = GetDlgItem(IDC_MVSTRINGEDIT_LIST);
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if (-1 == ListView_FindItem(hwnd, -1, &lvInfo))
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{
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LVITEM lvItem = {0};
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lvItem.mask = LVIF_TEXT;
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lvItem.pszText = bstr;
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ListView_InsertItem(hwnd, &lvItem);
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}
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SetDlgItemText(IDC_MVSTRINGEDIT_STRING, _T(""));
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} else
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{
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DisplayMessageBox(hWndCtl, MB_OK, 0, IDS_MVSTRINGEDIT_STRING_INVALID, m_bstrSeparators);
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}
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}
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::SetFocus(GetDlgItem(IDC_MVSTRINGEDIT_STRING));
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return TRUE;
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}
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LRESULT CMultiValuedStringEdit::OnRemove
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(
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WORD wNotifyCode,
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WORD wID,
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HWND hWndCtl,
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BOOL& bHandled
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)
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{
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HWND hwnd = GetDlgItem(IDC_MVSTRINGEDIT_LIST);
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int nIndex = -1;
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while (-1 != (nIndex = ListView_GetNextItem(hwnd, -1, LVNI_SELECTED)))
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ListView_DeleteItem(hwnd, nIndex);
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return TRUE;
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}
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LRESULT CMultiValuedStringEdit::OnOK
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(
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WORD wNotifyCode,
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WORD wID,
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HWND hWndCtl,
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BOOL& bHandled
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)
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{
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m_bstrValues.Empty();
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HRESULT hr = S_OK;
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HWND hwnd = GetDlgItem(IDC_MVSTRINGEDIT_LIST);
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if (0 < ListView_GetItemCount(hwnd))
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{
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PTSTR pszText = (PTSTR)calloc(m_uiStringLengthLimit+1, sizeof(TCHAR));
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if (pszText)
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{
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int nIndex = -1;
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while (-1 != (nIndex = ListView_GetNextItem(hwnd, nIndex, LVNI_ALL)))
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{
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ListView_GetItemText(hwnd, nIndex, 0, pszText, m_uiStringLengthLimit+1);
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if (!m_bstrValues || !*m_bstrValues)
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{
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m_bstrValues = pszText;
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BREAK_OUTOFMEMORY_IF_NULL((BSTR)m_bstrValues, &hr);
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} else
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{
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m_bstrValues += m_bstrSeparators;
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BREAK_OUTOFMEMORY_IF_NULL((BSTR)m_bstrValues, &hr);
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m_bstrValues += pszText;
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BREAK_OUTOFMEMORY_IF_NULL((BSTR)m_bstrValues, &hr);
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}
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}
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free(pszText);
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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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if (FAILED(hr))
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{
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DisplayMessageBoxForHR(hr);
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::SetFocus(GetDlgItem(IDC_MVSTRINGEDIT_STRING));
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return FALSE;
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}
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EndDialog(S_OK);
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return TRUE;
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}
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LRESULT CMultiValuedStringEdit::OnCancel
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(
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WORD wNotifyCode,
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WORD wID,
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HWND hWndCtl,
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BOOL& bHandled
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)
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{
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/*++
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Routine Description:
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Called OnCancel. Ends the dialog with S_FALSE;
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*/
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EndDialog(S_FALSE);
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return TRUE;
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}
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//
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// Invoke the dialog.
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//
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// S_OK: io_pbstr contains the new string
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// S_FALSE: dlg cancelled, or string unchanged
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// others: error occurred and reported
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//
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HRESULT InvokeMultiValuedStringEditDlg(
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IN BSTR* io_pbstr,
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IN BSTR i_bstrSeparators,
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IN int i_nDlgTitle,
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IN int i_nText,
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IN UINT i_uiStringLengthLimit
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)
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{
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HRESULT hr = S_OK;
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CMultiValuedStringEdit editDlg(i_nDlgTitle, i_nText, i_uiStringLengthLimit);
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do {
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if (!io_pbstr)
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{
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hr = E_INVALIDARG;
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break;
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}
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hr = editDlg.put_Strings(*io_pbstr, i_bstrSeparators);
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BREAK_IF_FAILED(hr);
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if (S_OK == editDlg.DoModal())
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{
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CComBSTR bstr;
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hr = editDlg.get_Strings(&bstr);
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BREAK_IF_FAILED(hr);
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if (!*io_pbstr && (BSTR)bstr ||
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*io_pbstr && !bstr ||
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0 != lstrcmpi(*io_pbstr, bstr))
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{
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SysFreeString(*io_pbstr);
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*io_pbstr = bstr.Detach();
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hr = S_OK;
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} else
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{
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hr = S_FALSE; // string unchanged
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}
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}
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} while (0);
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if (FAILED(hr))
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DisplayMessageBoxForHR(hr);
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return hr;
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}
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