373 lines
8.7 KiB
C++
373 lines
8.7 KiB
C++
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// VarSetEditDlg.cpp : implementation file
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//
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#include "stdafx.h"
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#import "\bin\McsVarSetMin.tlb" no_namespace, named_guids
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#include "Driver.h"
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#include "VSEdit.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// CVarSetEditDlg dialog
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CVarSetEditDlg::CVarSetEditDlg(CWnd* pParent /*=NULL*/)
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: CDialog(CVarSetEditDlg::IDD, pParent)
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{
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//{{AFX_DATA_INIT(CVarSetEditDlg)
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m_bCaseSensitive = FALSE;
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m_Filename = _T("");
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m_Key = _T("");
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m_Value = _T("");
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m_varset = NULL;
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m_bIndexed = FALSE;
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//}}AFX_DATA_INIT
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}
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void CVarSetEditDlg::DoDataExchange(CDataExchange* pDX)
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{
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CDialog::DoDataExchange(pDX);
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//{{AFX_DATA_MAP(CVarSetEditDlg)
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DDX_Control(pDX, IDC_LIST, m_List);
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DDX_Check(pDX, IDC_CASE_SENSITIVE, m_bCaseSensitive);
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DDX_Text(pDX, IDC_FILENAME, m_Filename);
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DDX_Text(pDX, IDC_KEY, m_Key);
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DDX_Text(pDX, IDC_VALUE, m_Value);
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DDX_Check(pDX, IDC_INDEXED, m_bIndexed);
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//}}AFX_DATA_MAP
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}
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BEGIN_MESSAGE_MAP(CVarSetEditDlg, CDialog)
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//{{AFX_MSG_MAP(CVarSetEditDlg)
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ON_BN_CLICKED(IDC_CASE_SENSITIVE, OnCaseSensitive)
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ON_BN_CLICKED(IDC_CLEAR, OnClear)
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ON_BN_CLICKED(IDC_DUMP, OnDump)
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ON_BN_CLICKED(IDC_ENUM, OnEnum)
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ON_BN_CLICKED(IDC_GET_COUNT, OnGetCount)
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ON_BN_CLICKED(IDC_GETVALUE, OnGetvalue)
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ON_BN_CLICKED(IDC_INDEXED, OnIndexed)
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ON_BN_CLICKED(IDC_LOAD, OnLoad)
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ON_BN_CLICKED(IDC_SAVE, OnSave)
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ON_BN_CLICKED(IDC_SETVALUE, OnSetvalue)
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// CVarSetEditDlg message handlers
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void CVarSetEditDlg::OnCaseSensitive()
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{
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CWaitCursor w;
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UpdateData(TRUE);
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if ( m_varset )
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{
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m_varset->CaseSensitive = m_bCaseSensitive;
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}
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}
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void CVarSetEditDlg::OnClear()
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{
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CWaitCursor w;
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UpdateData(TRUE);
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HRESULT hr;
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IVarSet * pVS = NULL;
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if ( m_varset )
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{
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hr = m_varset->raw_getReference(m_Key.AllocSysString(),&pVS);
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if ( SUCCEEDED(hr) )
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{
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pVS->Clear();
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pVS->Release();
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}
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else
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{
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MessageBox(L"ERROR!");
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}
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}
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UpdateData(FALSE);
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}
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void CVarSetEditDlg::OnDump()
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{
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CWaitCursor w;
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UpdateData(TRUE);
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if ( m_varset )
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{
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m_varset->DumpToFile(m_Filename.AllocSysString());
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MessageBox(L"Finished!");
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}
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}
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void CVarSetEditDlg::OnEnum()
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{
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DoEnum(m_varset);
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}
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void CVarSetEditDlg::DoEnum(IVarSet * vs)
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{
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CWaitCursor w;
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_variant_t value;
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CString key;
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CString val;
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CString result;
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IEnumVARIANT * henum = NULL;
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HRESULT hr = 0;
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ULONG nGot;
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_bstr_t keyB;
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if ( vs )
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{
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m_List.ResetContent();
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// This exercises the method used by VB's For Each.
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// Get an IEnumVARIANT interface
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hr = vs->get__NewEnum((LPUNKNOWN*)&henum);
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// use the IEnumVARIANT interface to get the values
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// for simplicity, retrieve them one at a time
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if ( SUCCEEDED(hr) )
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{
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while ( SUCCEEDED(hr = henum->Next(1,&value,&nGot)) )
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{
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if ( nGot==1 )
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{
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key = value.bstrVal;
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keyB = key;
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value = vs->get(keyB);
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if ( value.vt == VT_BSTR )
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{
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val = value.bstrVal;
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result.Format(L"%s : %s",key,val);
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}
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else if ( value.vt == VT_I4 )
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{
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result.Format(L"%s : %ld",key,value.lVal);
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}
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else if ( value.vt == VT_EMPTY )
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{
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result.Format(L"%s : <Empty>",key);
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}
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else
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{
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result.Format(L"%s : vt=0x%lx",key,value.vt);
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}
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m_List.AddString(result);
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}
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else
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{
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break;
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}
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}
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if ( henum )
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henum->Release();
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}
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henum = NULL;
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}
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if (FAILED(hr) )
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{
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CString errMsg;
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errMsg.Format(L"Error: hr=%lx",hr);
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MessageBox(errMsg);
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}
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}
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void CVarSetEditDlg::OnGetCount()
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{
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CWaitCursor w;
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CString msg;
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// This is the total number of items in the VarSet.
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if ( m_varset )
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{
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msg.Format(L"%ld items.",m_varset->Count);
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MessageBox(msg);
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}
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}
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void CVarSetEditDlg::OnGetvalue()
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{
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CWaitCursor w;
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UpdateData(TRUE);
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_variant_t value;
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_bstr_t key;
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// This retrieves a value from the VarSet
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// If the value does not exist, m_varset->get will return a variant of type VT_EMPTY.
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if ( m_varset )
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{
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key = m_Key;
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value = m_varset->get(key);
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if ( value.vt == VT_BSTR )
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{
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m_Value = (WCHAR *)(_bstr_t)value;
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}
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else if ( value.vt == VT_I4 )
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{
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m_Value.Format(L"%ld",value.lVal);
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}
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else
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{
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m_Value.Format(L"Variant: Type=%ld",value.vt);
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}
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}
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UpdateData(FALSE);
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}
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void CVarSetEditDlg::OnIndexed()
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{
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CWaitCursor w;
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UpdateData(TRUE);
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// Turning indexing off is always fast, but turning indexing on
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// may be very slow if the VarSet is large.
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// It takes O(n lg n) to build the index.
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if ( m_varset )
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{
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m_varset->Indexed = m_bIndexed;
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}
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}
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void CVarSetEditDlg::OnLoad()
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{
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CWaitCursor w;
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IPersistStoragePtr ps = NULL;
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HRESULT hr = 0;
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IStoragePtr store = NULL;
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IVarSetPtr vs = NULL;
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IOleClientSite * site = NULL;
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UpdateData(TRUE);
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if ( m_varset )
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{
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hr = m_varset->QueryInterface(IID_IPersistStorage,(void**)&ps);
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if ( SUCCEEDED(hr) )
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{
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hr = StgOpenStorage(m_Filename.GetBuffer(0),NULL,STGM_DIRECT | STGM_READ | STGM_SHARE_EXCLUSIVE,NULL,0,&store);
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if ( SUCCEEDED(hr) )
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{
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// Load the data into a new varset
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hr = OleLoad(store,IID_IUnknown,site,(void **)&vs);
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if ( SUCCEEDED(hr) )
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{
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// release the old varset
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vs->AddRef();
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if ( m_varset ) m_varset->Release();
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m_varset = vs;
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// reload the property values
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m_bCaseSensitive = m_varset->CaseSensitive;
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m_bIndexed = m_varset->Indexed;
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UpdateData(FALSE);
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}
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}
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}
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if ( FAILED(hr) )
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MessageBox(L"Failed");
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else
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MessageBox(L"Finished!");
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}
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}
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void CVarSetEditDlg::OnSave()
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{
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CWaitCursor w;
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IPersistStoragePtr ps = NULL;
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HRESULT hr = 0;
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IStoragePtr store = NULL;
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UpdateData(TRUE);
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// Save the varset to a file
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if ( m_varset )
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{
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hr = m_varset->QueryInterface(IID_IPersistStorage,(void**)&ps);
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if ( SUCCEEDED(hr) )
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{
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hr = StgCreateDocfile(m_Filename.GetBuffer(0),STGM_DIRECT | STGM_READWRITE | STGM_SHARE_EXCLUSIVE |STGM_FAILIFTHERE,0,&store);
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if ( SUCCEEDED(hr) )
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{
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hr = OleSave(ps,store,FALSE);
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}
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}
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if ( FAILED(hr) )
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MessageBox(L"Failed");
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else
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MessageBox(L"Finished!");
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}
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}
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void CVarSetEditDlg::OnSetvalue()
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{
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CWaitCursor w;
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UpdateData(TRUE);
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_variant_t value;
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_bstr_t key;
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HRESULT hr = 0;
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CString myKey;
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CString myValue;
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if ( m_varset )
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{
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// add a single item to the VarSet
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// Keys are represented as BSTRs, and values are represented as VARIANTs
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key = m_Key;
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value = m_Value;
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hr = m_varset->put(key,value);
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if ( FAILED(hr) )
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{
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MessageBox(L"Failed");
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}
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else
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{
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m_Value.Empty();
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}
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}
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GetDlgItem(IDC_KEY)->SetFocus();
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OnEnum();
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UpdateData(FALSE); }
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void CVarSetEditDlg::OnOK()
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{
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CDialog::OnOK();
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}
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BOOL CVarSetEditDlg::OnInitDialog()
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{
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CDialog::OnInitDialog();
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if ( ! m_varset )
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{
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HRESULT hr = CoCreateInstance(CLSID_VarSet,NULL,CLSCTX_ALL,IID_IVarSet,(void**)&m_varset);
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if ( FAILED(hr) )
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{
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CString msg;
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msg.Format(L"Failed to create varset. CoCreateInstance returned %lx",hr);
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MessageBox(msg);
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}
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}
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return TRUE; // return TRUE unless you set the focus to a control
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// EXCEPTION: OCX Property Pages should return FALSE
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}
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