自学教程：C++ EnableOK函数代码示例

void dlgExtTable::CheckChange(){	wxString name = GetName();	if(!name.IsEmpty())	{		if (extTable)			EnableOK(txtComment->GetValue() != extTable->GetComment()			         || txtSqlBox->GetText() != oldDefinition			         || cbOwner->GetValue() != extTable->GetOwner()			         || name != extTable->GetName());		else			EnableOK(!txtComment->GetValue().IsEmpty()			         || !txtSqlBox->GetText().IsEmpty()			         || !cbOwner->GetValue().IsEmpty());	}	else	{		bool enable = true;		CheckValid(enable, !name.IsEmpty(), _("Please specify name."));		CheckValid(enable, txtSqlBox->GetText().Length() > 0 , _("Please enter external table definition."));		EnableOK(enable);	}}

int dlgRepSubscription::Go(bool modal){    txtOrigin->SetValue(NumToStr(set->GetOriginId()));    if (subscription)    {        // edit mode        chkForward->SetValue(subscription->GetForward());        txtReceiver->SetValue(IdAndName(subscription->GetReceiverId(), subscription->GetReceiverNode()));    }    else    {        // create mode        txtReceiver->SetValue(IdAndName(cluster->GetLocalNodeID(), cluster->GetLocalNodeName()));        if (cluster->ClusterMinimumVersion(1, 1))        {            // This is very ugly: starting with Slony-I 1.1, this must be called on the provider,            // not on the receiver.            stProvider->SetLabel(_("Receiver"));            stReceiver->SetLabel(_("Provider"));        }    }    if (set->GetOriginId() == cluster->GetLocalNodeID() && subscription)    {        chkForward->SetValue(subscription->GetForward());        cbProvider->Append(IdAndName(subscription->GetProviderId(), subscription->GetProviderNode()));        cbProvider->SetSelection(0);        cbProvider->Disable();        chkForward->Disable();        EnableOK(false);    }    else    {        pgSet *sets = connection->ExecuteSet(            wxT("SELECT no_id, no_comment/n")            wxT("  FROM ") + cluster->GetSchemaPrefix() + wxT("sl_node/n")             wxT(" WHERE no_active AND no_id <> ") + NumToStr(cluster->GetLocalNodeID()));        if (sets)        {            while (!sets->Eof())            {                cbProvider->Append(IdAndName(sets->GetLong(wxT("no_id")), sets->GetVal(wxT("no_comment"))),                    (void*)sets->GetLong(wxT("no_id")));                if (subscription && sets->GetLong(wxT("no_id")) == subscription->GetProviderId())                    cbProvider->SetSelection(cbProvider->GetCount()-1);                sets->MoveNext();            }            delete sets;        }    }    if (!subscription && cbProvider->GetCount())    {        cbProvider->SetSelection(0);        EnableOK(true);    }    return dlgProperty::Go(modal);}

void dlgEventTrigger::CheckChange(){    bool enable = true;    wxString function = cbFunction->GetValue();    wxString name = GetName();    wxString owner = cbOwner->GetValue();    (chkEnable->GetValue()) ? rdbEnableStatus->Enable() : rdbEnableStatus->Disable();    CheckValid(enable, !name.IsEmpty(), _("Please specify event trigger name."));    CheckValid(enable, !owner.IsEmpty(), _("Please specify owner of event trigger."));    CheckValid(enable, !function.IsEmpty(), _("Please specify event trigger function."));    if (eventTrigger)    {        EnableOK(enable &&                 (txtComment->GetValue() != eventTrigger->GetComment() ||                  txtName->GetValue() != eventTrigger->GetName() ||                  txtWhen->GetValue() != eventTrigger->GetWhen() ||                  chkEnable->GetValue() != eventTrigger->GetEnabled() ||                  rdbEvents->GetStringSelection().Lower() != eventTrigger->GetEventName().Lower() ||                  rdbEnableStatus->GetStringSelection().Lower() != eventTrigger->GetEnableStatus().Lower() ||                  !function.IsEmpty() ||                  !owner.IsEmpty()                 )                );    }    else    {        EnableOK(enable);    }}

void dlgRepTable::CheckChange(){	if (table)	{		bool tgChanged = false;		unsigned int i;		int cnt = 0;		for (i = 0 ; !tgChanged && i < chkTrigger->GetCount() ; i++)		{			if (chkTrigger->IsChecked(i))			{				cnt++;				if (table->GetTriggers().Index(chkTrigger->GetString(i)) < 0)					tgChanged = true;			}		}		EnableOK(tgChanged		         || (int)table->GetTriggers().GetCount() != cnt		         || txtComment->GetValue() != table->GetComment());	}	else	{		bool enable = true;		CheckValid(enable, cbTable->GetGuessedSelection() >= 0, _("Please select table to replicate."));		CheckValid(enable, cbIndex->GetCurrentSelection() >= 0, _("Please select index."));		EnableOK(enable);	}}

void dlgFunction::CheckChange(){	wxString name = GetName();	bool isC = cbLanguage->GetValue().IsSameAs(wxT("C"), false);	bool enable = true, didChange = true;	CheckValid(enable, !name.IsEmpty(), _("Please specify name."));	if (!isProcedure)		CheckValid(enable, cbReturntype->GetValue().Trim() != wxEmptyString, _("Please select return type."));	if (!(isProcedure && connection->GetIsEdb()))		CheckValid(enable, cbLanguage->GetGuessedSelection() >= 0, _("Please select language."));	if (isC)	{		wxString objfile = txtObjectFile->GetValue();		CheckValid(enable, !objfile.IsEmpty() && objfile != TXTOBJ_LIB, _("Please specify object library."));	}	else	{		CheckValid(enable, !txtSqlBox->GetText().IsEmpty(), _("Please enter function source code."));	}	if (function && enable)	{		if (seclabelPage && connection->BackendMinimumVersion(9, 1))			enable = enable || !(seclabelPage->GetSqlForSecLabels().IsEmpty());		EnableOK(enable && !GetSql().IsEmpty());	}	else	{		EnableOK(enable && didChange);	}}

void dlgRole::CheckChange(){    bool timEn=datValidUntil->GetValue().IsValid();    timValidUntil->Enable(timEn);    if (!timEn)        timValidUntil->SetTime(wxDefaultDateTime);    if (!readOnly)        chkUpdateCat->Enable(chkSuperuser->GetValue());	// Check the passwords match	if (txtPasswd->GetValue() != txtRePasswd->GetValue())	{           bool enable=true;           CheckValid(enable, false, _("The passwords entered do not match!"));           EnableOK(enable);		   return;	}    if (!role)    {        wxString name=GetName();        bool enable=true;        CheckValid(enable, !name.IsEmpty(), _("Please specify name."));        EnableOK(enable);    }    else    {        EnableOK(!GetSql().IsEmpty());    }}

void dlgRepCluster::CheckChange(){	if (cluster)	{		int sel = cbAdminNode->GetCurrentSelection();		bool changed = (sel >= 0 && (long)cbAdminNode->wxEvtHandler::GetClientData() != cluster->GetAdminNodeID());		EnableOK(changed || txtComment->GetValue() != cluster->GetComment());	}	else	{		size_t i;		bool enable = true;		CheckValid(enable, chkJoinCluster->GetValue() || (!createScript.IsEmpty()),		           _("Slony-I creation scripts not available; only joining possible."));		if (chkJoinCluster->GetValue())			CheckValid(enable, !cbClusterName->GetValue().IsEmpty(), _("Please select a cluster name."));		else			CheckValid(enable, !txtClusterName->GetValue().IsEmpty(), _("Please specify name."));		long nodeId = StrToLong(txtNodeID->GetValue());		CheckValid(enable, nodeId > 0, _("Please specify local node ID."));		for (i = 0 ; i < usedNodes.GetCount() && enable; i++)			CheckValid(enable, nodeId != usedNodes[i], _("Node ID is already in use."));		CheckValid(enable, !txtNodeName->GetValue().IsEmpty(), _("Please specify local node name."));		txtAdminNodeName->Enable(nodeId != StrToLong(txtAdminNodeID->GetValue()));		EnableOK(enable);	}}

void dlgColumn::CheckChange(){	bool enable = true;	long varlen = StrToLong(txtLength->GetValue()),	     varprec = StrToLong(txtPrecision->GetValue());	if (column)	{		txtPrecision->Enable(column->GetTable()->GetMetaType() != PGM_VIEW && isVarPrec && varlen > 0);		CheckValid(enable, cbDatatype->GetGuessedSelection() >= 0, _("Please select a datatype."));		if (!connection->BackendMinimumVersion(7, 5))		{			CheckValid(enable, !isVarLen || !txtLength->GetValue().IsEmpty() || varlen >= column->GetLength(),			           _("New length must not be less than old length."));			CheckValid(enable, !txtPrecision->IsEnabled() || varprec >= column->GetPrecision(),			           _("New precision must not be less than old precision."));			CheckValid(enable, !txtPrecision->IsEnabled() || varlen - varprec >= column->GetLength() - column->GetPrecision(),			           _("New total digits must not be less than old total digits."));		}		if (enable)			enable = GetName() != column->GetName()			         || txtDefault->GetValue() != column->GetDefault()			         || txtComment->GetValue() != column->GetComment()			         || chkNotNull->GetValue() != column->GetNotNull()			         || (cbDatatype->GetCount() > 1 && cbDatatype->GetGuessedStringSelection() != column->GetRawTypename() && !column->GetIsArray())			         || (cbDatatype->GetCount() > 1 && cbDatatype->GetGuessedStringSelection() != column->GetRawTypename() + wxT("[]") && column->GetIsArray())			         || (!cbCollation->GetValue().IsEmpty() && cbCollation->GetValue() != column->GetCollation())			         || (isVarLen && varlen != column->GetLength())			         || (isVarPrec && varprec != column->GetPrecision())			         || txtAttstattarget->GetValue() != NumToStr(column->GetAttstattarget())			         || cbStorage->GetValue() != column->GetStorage()			         || dirtyVars;		if (seclabelPage && connection->BackendMinimumVersion(9, 1))			enable = enable || !(seclabelPage->GetSqlForSecLabels().IsEmpty());		EnableOK(enable || securityChanged);	}	else	{		txtPrecision->Enable(isVarPrec && varlen > 0);		wxString name = GetName();		CheckValid(enable, !name.IsEmpty(), _("Please specify name."));		CheckValid(enable, cbDatatype->GetGuessedSelection() >= 0, _("Please select a datatype."));		CheckValid(enable, !isVarLen || txtLength->GetValue().IsEmpty()		           || (varlen >= minVarLen && varlen <= maxVarLen && NumToStr(varlen) == txtLength->GetValue()),		           _("Please specify valid length."));		CheckValid(enable, !txtPrecision->IsEnabled()		           || (varprec >= 0 && varprec <= varlen && NumToStr(varprec) == txtPrecision->GetValue()),		           _("Please specify valid numeric precision (0..") + NumToStr(varlen) + wxT(")."));		EnableOK(enable);	}}

void frmGrantWizard::OnChange(wxCommandEvent &event){	sqlPane->SetReadOnly(false);	sqlPane->SetText(GetSql());	sqlPane->SetReadOnly(true);	if (sqlPane->GetText().IsEmpty())		EnableOK(false);	else		EnableOK(true);}

void dlgRepNode::CheckChange(){	if (node)	{		EnableOK(txtComment->GetValue() != node->GetComment());	}	else	{		bool enable = true;		EnableOK(enable);	}}

void dlgRepSet::CheckChange(){	if (set)	{		EnableOK(txtComment->GetValue() != set->GetComment());	}	else	{		bool enable = (!txtComment->IsEmpty());		EnableOK(enable);	}}

void dlgRepSequence::CheckChange(){	if (sequence)	{		EnableOK(txtComment->GetValue() != sequence->GetComment());	}	else	{		bool enable = true;		CheckValid(enable, cbSequence->GetGuessedSelection() >= 0, _("Please select sequence to replicate."));		EnableOK(enable);	}}

void GenerateDlg::OnStart(wxCommandEvent& evt){	prjFrame->GenerateStarted();	EnableOK(0, 0);	ed->AppendText("---------- Start ----------/r/n");	canceled = 0;	paused = 0;	int sel = rateWnd->GetCurrentSelection();	if (sel != wxNOT_FOUND)		updateRate = (long) rateWnd->GetClientData(sel);	if (!genAuto)	{		playFrom = GetTimeValue("IDC_PLAY_FROM");		playTo  = GetTimeValue("IDC_PLAY_TO");	}	if (playSome)	{		theProject->StartTime(playFrom);		theProject->EndTime(playTo);		startTime = playFrom;	}	else	{		theProject->StartTime(0);		theProject->EndTime(0);		startTime = 0;	}	lastTime = 0;	theProject->PlayMode(playLive);	lastMsg = "";	FormatTime("IDC_TIME", startTime);	tml->Reset();	lpkMtr->Reset();	rpkMtr->Reset();	lftPeak = 0;	rgtPeak = 0;	lftMax = 0;	rgtMax = 0;	FormatPeak();	prjGenerate = static_cast<GenerateWindow*>(this);	theProject->CallbackRate((float)updateRate / 10.0f);	if (theProject->Start() == 0)		EnableOK(0, 1);	else		EnableOK(1, 0);}

void dlgIndexBase::CheckChange(){    if (index)    {        EnableOK(txtComment->GetValue() != index->GetComment() ||                 cbTablespace->GetOIDKey() != index->GetTablespaceOid());    }    else    {        bool enable=true;        txtComment->Enable(!GetName().IsEmpty());        CheckValid(enable, lstColumns->GetItemCount() > 0, _("Please specify columns."));        EnableOK(enable);    }}

BOOL CExportDlg::OnInitDialog(){	CDialog::OnInitDialog();	VERIFY(m_taskSel.Create(IDC_FRAME, this));	// set initial control states	GetDlgItem(IDC_TASKLISTOPTIONS)->EnableWindow(!m_bSingleTaskList);	GetDlgItem(IDC_EXPORTONEFILE)->EnableWindow(!m_bSingleTaskList && m_nExportOption == ALLTASKLISTS);	m_eExportPath.SetFilter(m_mgrImportExport.GetExporterFileFilter(s_nFormatOption));	m_eExportPath.EnableStyle(FES_FOLDERS, (m_nExportOption == ALLTASKLISTS && !m_bExportOneFile));	// build the format comboxbox	for (int nExp = 0; nExp < m_mgrImportExport.GetNumExporters(); nExp++)	{		m_cbFormat.AddString(m_mgrImportExport.GetExporterMenuText(nExp));	}	m_cbFormat.SetCurSel(s_nFormatOption);	m_eExportPath.EnableWindow(m_mgrImportExport.ExporterHasFileExtension(s_nFormatOption));	EnableOK();	return TRUE;  // return TRUE unless you set the focus to a control	// EXCEPTION: OCX Property Pages should return FALSE}

void CTDLImportDialog::OnSelchangeFormatoptions() {	BOOL bHadFilter = m_mgrImportExport.ImporterHasFileExtension(m_nFormatOption);	UpdateData(TRUE);		// change the filter on the CFileEdit and clear the filepath	// and clear/restore clipboard text depending	BOOL bHasFilter = CurImporterHasFilter();	m_eFilePath.SetFilter(GetCurImporterFilter());	m_eFilePath.EnableWindow(bHasFilter);		GetDlgItem(IDC_FROMFILE)->EnableWindow(bHasFilter);	GetDlgItem(IDC_FROMFILEPATH)->EnableWindow(!m_bFromClipboard && bHasFilter);	GetDlgItem(IDC_FROMCLIPBOARD)->EnableWindow(bHasFilter);	GetDlgItem(IDC_FROMCLIPBOARDTEXT)->EnableWindow(m_bFromClipboard && bHasFilter);	GetDlgItem(IDC_REFRESHCLIPBOARD)->EnableWindow(m_bFromClipboard && bHasFilter);	if (bHadFilter && !bHasFilter)	{		GetDlgItem(IDC_FROMCLIPBOARDTEXT)->GetWindowText(m_sClipboardText); // update		GetDlgItem(IDC_FROMCLIPBOARDTEXT)->SetWindowText(_T("")); // clear field	}	else if (!bHadFilter && bHasFilter)	{		GetDlgItem(IDC_FROMCLIPBOARDTEXT)->SetWindowText(m_sClipboardText); // restore field	}		m_sFromFilePath.Empty();	UpdateData(FALSE);	EnableOK();}

void dlgGroup::CheckChange(){    if (group)    {        EnableOK(!GetSql().IsEmpty());    }    else    {        wxString name = GetName();        bool enable = true;        CheckValid(enable, !name.IsEmpty(), _("Please specify name."));        EnableOK(enable);    }}

void dlgDatabase::OnOK(wxCommandEvent &ev){#ifdef __WXGTK__	if (!btnOK->IsEnabled())		return;#endif	if (database)	{		database->iSetSchemaRestriction(txtSchemaRestr->GetValue().Trim());		settings->Write(wxString::Format(wxT("Servers/%d/Databases/%s/SchemaRestriction"), database->GetServer()->GetServerIndex(), database->GetName().c_str()), txtSchemaRestr->GetValue().Trim());		/*		 * The connection from the database will get disconnected before execution of any		 * sql statements for the database.		 *		 * Hence, we need to hack the execution of the default privileges statements(sqls)		 * before getting disconnected from this database. So that, these statements will		 * run against the current database connection, and not against the server connection.		 */		// defaultSecurityChanged will be true only for PostgreSQL 9.0 or later		if (defaultSecurityChanged)		{			wxString strDefPrivs = GetDefaultPrivileges();			if (!executeDDLSql(strDefPrivs))			{				EnableOK(true);				return;			}			defaultSecurityChanged = false;		}	}	dlgDefaultSecurityProperty::OnOK(ev);}

void dlgRepSubscription::CheckChange(){	if (subscription)	{		int sel = cbProvider->GetCurrentSelection();		EnableOK(sel >= 0 && (chkForward->GetValue() != subscription->GetForward()		                      ||   (long)cbProvider->wxItemContainer::GetClientData(sel) != subscription->GetProviderId()));	}	else	{		bool enable = true;		EnableOK(enable);	}}

void dlgDomain::CheckChange(){	bool enable = true;	if (domain)	{		enable = false;		if (connection->BackendMinimumVersion(7, 4) || lstColumns->GetItemCount() > 0)		{			enable = !GetSql().IsEmpty();		}		if (seclabelPage && connection->BackendMinimumVersion(9, 1))			enable = enable || !(seclabelPage->GetSqlForSecLabels().IsEmpty());	}	else	{		wxString name = GetName();		long varlen = StrToLong(txtLength->GetValue()),		     varprec = StrToLong(txtPrecision->GetValue());		txtPrecision->Enable(isVarPrec && varlen > 0);		CheckValid(enable, !name.IsEmpty(), _("Please specify name."));		CheckValid(enable, cbDatatype->GetGuessedSelection() >= 0, _("Please select a datatype."));		CheckValid(enable, !isVarLen || txtLength->GetValue().IsEmpty()		           || (varlen >= minVarLen && varlen <= maxVarLen && NumToStr(varlen) == txtLength->GetValue()),		           _("Please specify valid length."));		CheckValid(enable, !txtPrecision->IsEnabled()		           || (varprec >= 0 && varprec <= varlen && NumToStr(varprec) == txtPrecision->GetValue()),		           _("Please specify valid numeric precision (0..") + NumToStr(varlen) + wxT(")."));	}	EnableOK(enable);}

void dlgIndexConstraint::CheckChange(){	if (cbIndex->GetCurrentSelection() > 0)		EnableOK(true);	else		dlgIndexBase::CheckChange();}

void dlgUserMapping::CheckChange(){	bool didChange = true;	if (usermapping)	{		didChange = GetOptionsSql().Length() > 0;		EnableOK(didChange);	}	else	{		bool enable = true;		CheckValid(enable, !cbUser->GetValue().IsEmpty(), _("Please specify user."));		EnableOK(enable);	}}

void dlgTrigger::CheckChange(){	bool enable = true;	wxString function = cbFunction->GetValue();	wxString name = GetName();	// We can only have per-statement TRUNCATE triggers	if (trigger || connection->BackendMinimumVersion(8, 4))	{		if (chkRow->GetValue())		{			chkTruncate->Disable();			chkTruncate->SetValue(false);		}		else if (connection->EdbMinimumVersion(8, 0))			chkTruncate->Enable();	}	CheckValid(enable, !name.IsEmpty(), _("Please specify name."));	CheckValid(enable, !function.IsEmpty(), _("Please specify trigger function."));	CheckValid(enable, chkInsert->GetValue() || chkUpdate->GetValue() || chkDelete->GetValue() || chkTruncate->GetValue(),	           _("Please specify at least one action."));	if (cbFunction->GetValue() == wxString::Format(wxT("<%s>"), _("Inline EDB-SPL")))		CheckValid(enable, !txtBody->GetText().IsEmpty(), _("Please specify trigger body."));	if (trigger)	{		EnableOK(enable &&		         (txtComment->GetValue() != trigger->GetComment() ||		          txtName->GetValue() != trigger->GetName() ||		          (txtBody->GetText() != trigger->GetSource() && cbFunction->GetValue() == wxString::Format(wxT("<%s>"), _("Inline EDB-SPL"))) ||		          txtWhen->GetValue() != trigger->GetWhen() ||		          chkRow->GetValue() != (trigger->GetTriggerType() & TRIGGER_TYPE_ROW ? true : false) ||		          chkInsert->GetValue() != (trigger->GetTriggerType() & TRIGGER_TYPE_INSERT ? true : false) ||		          chkUpdate->GetValue() != (trigger->GetTriggerType() & TRIGGER_TYPE_UPDATE ? true : false) ||		          chkDelete->GetValue() != (trigger->GetTriggerType() & TRIGGER_TYPE_DELETE ? true : false) ||		          chkTruncate->GetValue() != (trigger->GetTriggerType() & TRIGGER_TYPE_TRUNCATE ? true : false) ||		          rdbFires->GetSelection() != (trigger->GetTriggerType() & TRIGGER_TYPE_BEFORE ? 0 : (trigger->GetTriggerType() & TRIGGER_TYPE_INSTEAD ? 2 : 1))));	}	else	{		EnableOK(enable);	}}

void dlgRepSetMove::CheckChange(){	bool enable = true;	CheckValid(enable, cbTargetNode->GetCount() > 0 , _("No node available to move this set to."));	CheckValid(enable, cbTargetNode->GetCurrentSelection() >= 0, _("Please select node to move this replication set to."));	EnableOK(enable);}

void dlgCheck::CheckChange(){	bool enable = true;	if (check)	{		enable = txtName->GetValue() != check->GetName() || txtComment->GetValue() != check->GetComment();		if (connection->BackendMinimumVersion(9, 2) && !check->GetValid() && !chkDontValidate->GetValue())			enable = true;		EnableOK(enable);	}	else	{		txtComment->Enable(!GetName().IsEmpty());		CheckValid(enable, !txtWhere->GetValue().IsEmpty(), _("Please specify condition."));		EnableOK(enable);	}}

void dlgSchema::CheckChange(){    wxString name=GetName();    if (schema)    {        EnableOK(name != schema->GetName() || txtComment->GetValue() != schema->GetComment()            || cbOwner->GetValue() != schema->GetOwner());    }    else    {        bool enable=true;        CheckValid(enable, !name.IsEmpty(), _("Please specify name."));        EnableOK(enable);    }}

void dlgOperator::CheckChange(){	if (oper)	{		EnableOK(txtComment->GetValue() != oper->GetComment()		         || cbOwner->GetValue() != oper->GetOwner());	}	else	{		wxString name = GetName();		bool enable = true;		CheckValid(enable, !name.IsEmpty(), _("Please specify name."));		CheckValid(enable, cbLeftType->GetGuessedSelection() > 0 || cbRightType->GetGuessedSelection() > 0 , _("Please select left or right datatype."));		CheckValid(enable, cbProcedure->GetGuessedSelection() >= 0, _("Please specify a procedure."));		EnableOK(enable);	}}

void dlgTextSearchTemplate::CheckChange(){	if (tmpl)	{		EnableOK(txtName->GetValue() != tmpl->GetName()		         || cbSchema->GetValue() != tmpl->GetSchema()->GetName()		         || txtComment->GetValue() != tmpl->GetComment());	}	else	{		wxString name = GetName();		bool enable = true;		CheckValid(enable, !name.IsEmpty(), _("Please specify name."));		CheckValid(enable, cbLexize->GetGuessedSelection() > 0 , _("Please select a lexize function."));		EnableOK(enable);	}}

void dlgTablespace::CheckChange(){    if (tablespace)    {        EnableOK(txtComment->GetValue() != tablespace->GetComment()            || GetName() != tablespace->GetName()            || cbOwner->GetValue() != tablespace->GetOwner()			|| dirtyVars);    }    else    {        wxString name=GetName();        bool enable=true;        CheckValid(enable, !GetName().IsEmpty(), _("Please specify name."));        CheckValid(enable, !txtLocation->GetValue().IsEmpty(), _("Please specify location."));        EnableOK(enable);    }}