553 lines
15 KiB
C++
553 lines
15 KiB
C++
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//***********************************************************************
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// settings.cpp
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//
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// This file contains the implementation of the "Settings" dialog class.
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//
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//
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// Author: SEA
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//
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// History:
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// Febuary-1996 Larry A. French
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// Modified the code to fix various problems. Regrettably, this
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// file still contains a fair amount of legacy code that I didn't
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// have time to fully rewrite. Also, I did not have time to go
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// though and fully comment the code.
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//
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//
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// Copyright (C) 1995, 1996 Microsoft Corporation. All rights reserved.
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//
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//************************************************************************
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// settings.cpp : implementation file
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//
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#include "stdafx.h"
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#include "eventrap.h"
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#include "settings.h"
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#include "globals.h"
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#include "trapreg.h"
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// This macro handles comparing bool values for the cases where TRUE can be and
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// non-zero value.
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#define BOOLS_ARE_DIFFERENT(b1, b2) ((b1 & !b2) || (!b1 & b2))
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#ifdef _DEBUG
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#undef THIS_FILE
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static char BASED_CODE THIS_FILE[] = __FILE__;
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#endif
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UINT _thrRun(CTrapSettingsDlg *trapDlg)
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{
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return trapDlg->thrRun();
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}
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/////////////////////////////////////////////////////////////////////////////
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// CTrapSettingsDlg dialog
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UINT CTrapSettingsDlg::thrRun()
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{
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HANDLE hEvents[2];
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DWORD retCode;
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CRegistryKey regkey;
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CRegistryValue regval;
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BOOL bThrottleIsTripped = FALSE;
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hEvents[0] = (HANDLE)m_evRegNotification;
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hEvents[1] = (HANDLE)m_evTermination;
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if (!g_reg.m_regkeySnmp.GetSubKey(SZ_REGKEY_PARAMETERS, regkey))
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return 0;
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do
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{
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m_evRegNotification.SetEvent();
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if (RegNotifyChangeKeyValue(
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regkey.m_hkeyOpen,
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TRUE,
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REG_NOTIFY_CHANGE_LAST_SET | REG_NOTIFY_CHANGE_NAME,
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(HANDLE)m_evRegNotification,
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TRUE) == ERROR_SUCCESS)
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{
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if (regkey.GetValue(SZ_REGKEY_PARAMS_THRESHOLD, regval) &&
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*(DWORD*)regval.m_pData == THROTTLE_TRIPPED)
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PostMessage(WM_UIREQUEST, UICMD_ENABLE_RESET, TRUE);
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else
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PostMessage(WM_UIREQUEST, UICMD_ENABLE_RESET, FALSE);
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}
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} while(WaitForMultipleObjects(2, hEvents, FALSE, INFINITE) == WAIT_OBJECT_0);
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regkey.Close();
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return 0;
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}
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CTrapSettingsDlg::CTrapSettingsDlg(CWnd* pParent /*=NULL*/)
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: CDialog(CTrapSettingsDlg::IDD, pParent)
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{
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//{{AFX_DATA_INIT(CTrapSettingsDlg)
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m_bLimitMsgLength = FALSE;
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//}}AFX_DATA_INIT
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}
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#define I_MAX_LONG 0x7fffffffL
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#define I_MIN_TRAPCOUNT 2
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#define I_MAX_TRAPCOUNT 9999999
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#define I_MIN_SECONDS 1
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#define I_MAX_SECONDS 9999999
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#define I_MIN_MESSAGE_LENGTH 400
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#define I_MAX_MESSAGE_LENGTH 0x7fff
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SCODE CTrapSettingsDlg::GetMessageLength(LONG* pnChars)
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{
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CString sValue;
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CButton* pbtnLimit = (CButton*)GetDlgItem(IDC_LIMITMSGLNGTH);
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BOOL bLimitEnabled = (pbtnLimit->GetCheck() == 1) ? TRUE : FALSE;
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m_edtMessageLength.GetWindowText(sValue);
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SCODE sc;
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LONG nChars = _ttol(sValue);
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sc = AsciiToLong(sValue, &nChars);
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if (FAILED(sc))
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{
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// They shouldn't have garbage in this edit control even if
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// they haven't selected a message limit. Let the user fix it.
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AfxMessageBox(IDS_ERR_SETTINGS_MESSAGELENGTH_NOT_INT);
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m_edtMessageLength.SetFocus();
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m_edtMessageLength.SetSel(0, -1);
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return E_FAIL;
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}
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if (bLimitEnabled)
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{
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if (nChars < I_MIN_MESSAGE_LENGTH || nChars > I_MAX_MESSAGE_LENGTH)
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{
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if (pbtnLimit->GetCheck() == 1)
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{
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CString sError;
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CString sRangeMessage;
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sError.LoadString(IDS_SETTINGS_MESSAGE_LENGTH_RANGE);
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GenerateRangeMessage(sRangeMessage, I_MIN_MESSAGE_LENGTH, I_MAX_MESSAGE_LENGTH);
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sError += sRangeMessage;
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AfxMessageBox(sError);
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sValue.Format(_T("%u"),nChars);
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m_edtMessageLength.SetWindowText(sValue);
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m_edtMessageLength.SetFocus();
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m_edtMessageLength.SetSel(0, -1);
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return E_FAIL;
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}
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}
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}
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*pnChars = nChars;
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return S_OK;
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}
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SCODE CTrapSettingsDlg::GetTrapsPerSecond(LONG* pnTraps, LONG* pnSeconds)
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{
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CString sSeconds;
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CString sTraps;
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CString sError;
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CString sRangeMessage;
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LONG nTraps;
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LONG nSeconds;
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SCODE sc;
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// First make sure that the trap count and seconds fields don't have garbage in them.
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// If a non-integer value is specified, force the user to fix it regardless of whether
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// or not the throttle is enabled.
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m_edtTrapCount.GetWindowText(sTraps);
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sc = AsciiToLong(sTraps, &nTraps);
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if (FAILED(sc))
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{
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AfxMessageBox(IDS_ERR_SETTINGS_TRAPCOUNT_NOT_INT);
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m_edtTrapCount.SetFocus();
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m_edtTrapCount.SetSel(0, -1);
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return E_FAIL;
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}
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m_edtSeconds.GetWindowText(sSeconds);
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sc = AsciiToLong(sSeconds, &nSeconds);
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if (FAILED(sc))
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{
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AfxMessageBox(IDS_ERR_SETTINGS_TRAPSECONDS_NOT_INT);
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m_edtSeconds.SetFocus();
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m_edtSeconds.SetSel(0, -1);
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return E_FAIL;
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}
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BOOL bThrottleEnabled;
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if (GetCheckedRadioButton(IDC_RADIO_ENABLE, IDC_RADIO_DISABLE) == IDC_RADIO_ENABLE)
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bThrottleEnabled = TRUE;
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else
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bThrottleEnabled = FALSE;
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if (bThrottleEnabled)
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{
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if (nTraps < I_MIN_TRAPCOUNT || nTraps > I_MAX_TRAPCOUNT)
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{
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sError.LoadString(IDS_ERR_SETTINGS_TRAPCOUNT_RANGE);
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GenerateRangeMessage(sRangeMessage, I_MIN_TRAPCOUNT, I_MAX_TRAPCOUNT);
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sError += sRangeMessage;
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AfxMessageBox(sError);
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sTraps.Format(_T("%u"), nTraps);
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m_edtTrapCount.SetWindowText(sTraps);
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m_edtTrapCount.SetFocus();
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m_edtTrapCount.SetSel(0, -1);
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return E_FAIL;
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}
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if (nSeconds < I_MIN_SECONDS || nSeconds > I_MAX_SECONDS)
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{
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sError.LoadString(IDS_SETTINGS_TRAPSECONDS_RANGE);
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GenerateRangeMessage(sRangeMessage, I_MIN_SECONDS, I_MAX_SECONDS);
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sError += sRangeMessage;
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AfxMessageBox(sError);
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sSeconds.Format(_T("%u"),nSeconds);
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m_edtSeconds.SetWindowText(sSeconds);
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m_edtSeconds.SetFocus();
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m_edtSeconds.SetSel(0, -1);
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return E_FAIL;
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}
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}
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*pnTraps = nTraps;
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*pnSeconds = nSeconds;
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return S_OK;
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}
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void CTrapSettingsDlg::TerminateBackgroundThread()
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{
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if (m_pthRegNotification)
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{
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m_evTermination.SetEvent();
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WaitForSingleObject(m_pthRegNotification->m_hThread, INFINITE);
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}
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}
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void CTrapSettingsDlg::DoDataExchange(CDataExchange* pDX)
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{
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CDialog::DoDataExchange(pDX);
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//{{AFX_DATA_MAP(CTrapSettingsDlg)
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DDX_Control(pDX, IDC_STAT_TRAP_LENGTH, m_statTrapLength);
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DDX_Control(pDX, IDC_EDIT_MESSAGELENGTH, m_edtMessageLength);
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DDX_Control(pDX, IDC_EDIT_TRAP_SECONDS, m_edtSeconds);
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DDX_Control(pDX, IDC_EDIT_TRAP_COUNT, m_edtTrapCount);
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DDX_Control(pDX, IDC_MSGLENGTHSPN, m_spinMessageLength);
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DDX_Control(pDX, IDC_BUTTON_RESET, m_btnResetThrottle);
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DDX_Check(pDX, IDC_LIMITMSGLNGTH, m_bLimitMsgLength);
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//}}AFX_DATA_MAP
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CString sValue;
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if (pDX->m_bSaveAndValidate) {
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// Saving the value trapsize, seconds, and trapcount is handled by
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// CTrapSettingsDlg::OnOK so that it can set the focus back to the
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// offending item if the value is out of range. If the data transfer
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// fails here, the focus is always set back to the dialog and not
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// the offending item (is there a way around this?)
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}
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else {
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m_spinMessageLength.SetRange(I_MIN_MESSAGE_LENGTH, I_MAX_MESSAGE_LENGTH);
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m_spinMessageLength.SetPos(g_reg.m_params.m_trapsize.m_dwMaxTrapSize);
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DecString(sValue, g_reg.m_params.m_throttle.m_nSeconds);
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m_edtSeconds.SetWindowText(sValue);
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DecString(sValue, g_reg.m_params.m_throttle.m_nTraps);
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m_edtTrapCount.SetWindowText(sValue);
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}
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}
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BEGIN_MESSAGE_MAP(CTrapSettingsDlg, CDialog)
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//{{AFX_MSG_MAP(CTrapSettingsDlg)
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ON_BN_CLICKED(IDC_LIMITMSGLNGTH, OnLimitMessageLength)
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ON_BN_CLICKED(IDC_RADIO_DISABLE, OnRadioDisable)
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ON_BN_CLICKED(IDC_RADIO_ENABLE, OnRadioEable)
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ON_BN_CLICKED(IDC_BUTTON_RESET, OnButtonReset)
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ON_COMMAND(ID_HELP, OnHelp)
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ON_WM_HELPINFO()
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ON_WM_CONTEXTMENU()
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ON_WM_CLOSE()
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ON_MESSAGE(WM_UIREQUEST, OnUIRequest)
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// CTrapSettingsDlg message handlers
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LRESULT CTrapSettingsDlg::OnUIRequest(WPARAM cmd, LPARAM lParam)
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{
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switch(cmd)
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{
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case UICMD_ENABLE_RESET:
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m_btnResetThrottle.EnableWindow((BOOL)lParam);
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break;
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default:
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break;
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}
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return (LRESULT)0;
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}
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void CTrapSettingsDlg::OnLimitMessageLength()
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{
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// The LimitMsgLength checkbox was clicked.
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// Enable/disable the edit control.
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// Get the controls.
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CButton* pbtnLimitBox = (CButton*) GetDlgItem(IDC_LIMITMSGLNGTH);
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CButton *pRadio1 = (CButton*)GetDlgItem(IDC_RADIO1);
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CButton *pRadio2 = (CButton*)GetDlgItem(IDC_RADIO2);
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// It's checked; enable
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if (pbtnLimitBox->GetCheck() == 1)
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{
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m_edtMessageLength.EnableWindow();
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pRadio1->EnableWindow();
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pRadio2->EnableWindow();
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GetDlgItem(IDC_STATIC_BYTES)->EnableWindow();
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m_statTrapLength.EnableWindow();
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}
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// Disable
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else
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{
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m_edtMessageLength.EnableWindow(FALSE);
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pRadio1->EnableWindow(FALSE);
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pRadio2->EnableWindow(FALSE);
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GetDlgItem(IDC_STATIC_BYTES)->EnableWindow(FALSE);
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m_statTrapLength.EnableWindow(FALSE);
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}
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}
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BOOL CTrapSettingsDlg::OnInitDialog()
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{
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CDialog::OnInitDialog();
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CButton *pRadio1 = (CButton*)GetDlgItem(IDC_RADIO1);
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CButton *pRadio2 = (CButton*)GetDlgItem(IDC_RADIO2);
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m_statTrapLength.EnableWindow(m_bLimitMsgLength);
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m_edtMessageLength.EnableWindow(m_bLimitMsgLength);
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if (m_bLimitMsgLength)
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{
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pRadio1->EnableWindow();
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pRadio2->EnableWindow();
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GetDlgItem(IDC_STATIC_BYTES)->EnableWindow();
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}
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// Disable
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else
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{
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pRadio1->EnableWindow(FALSE);
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pRadio2->EnableWindow(FALSE);
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GetDlgItem(IDC_STATIC_BYTES)->EnableWindow(FALSE);
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}
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if (m_bTrimMessagesFirst)
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CheckRadioButton(IDC_RADIO1, IDC_RADIO2, IDC_RADIO2);
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else
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CheckRadioButton(IDC_RADIO1, IDC_RADIO2, IDC_RADIO1);
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|
|
if (m_bThrottleEnabled)
|
||
|
|
CheckRadioButton(IDC_RADIO_ENABLE, IDC_RADIO_DISABLE, IDC_RADIO_ENABLE);
|
||
|
|
else
|
||
|
|
CheckRadioButton(IDC_RADIO_ENABLE, IDC_RADIO_DISABLE, IDC_RADIO_DISABLE);
|
||
|
|
|
||
|
|
EnableThrottleWindows(m_bThrottleEnabled);
|
||
|
|
|
||
|
|
m_pthRegNotification = AfxBeginThread((AFX_THREADPROC)_thrRun, this);
|
||
|
|
|
||
|
|
return TRUE; // return TRUE unless you set the focus to a control
|
||
|
|
// EXCEPTION: OCX Property Pages should return FALSE
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
void CTrapSettingsDlg::OnOK()
|
||
|
|
{
|
||
|
|
|
||
|
|
LONG nchMessageLength;
|
||
|
|
LONG nTraps;
|
||
|
|
LONG nSeconds;
|
||
|
|
SCODE sc = GetMessageLength(&nchMessageLength);
|
||
|
|
if (FAILED(sc))
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
sc = GetTrapsPerSecond(&nTraps, &nSeconds);
|
||
|
|
if (FAILED(sc))
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// Pull various values off of the dialog and store them into member variables.
|
||
|
|
// Note that there are other member variables that are set directly
|
||
|
|
// as a response to user input.
|
||
|
|
//===========================================================================
|
||
|
|
m_bTrimMessagesFirst = (GetCheckedRadioButton(IDC_RADIO1, IDC_RADIO2) == IDC_RADIO2);
|
||
|
|
m_bThrottleEnabled = (GetCheckedRadioButton(IDC_RADIO_ENABLE, IDC_RADIO_DISABLE) == IDC_RADIO_ENABLE);
|
||
|
|
|
||
|
|
|
||
|
|
if (g_reg.m_params.m_trapsize.m_dwMaxTrapSize != (DWORD) nchMessageLength) {
|
||
|
|
g_reg.SetDirty(TRUE);
|
||
|
|
g_reg.m_params.m_trapsize.m_dwMaxTrapSize = nchMessageLength;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(g_reg.m_params.m_throttle.m_nSeconds != nSeconds) {
|
||
|
|
g_reg.SetDirty(TRUE);
|
||
|
|
g_reg.m_params.m_throttle.m_nSeconds = nSeconds;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (g_reg.m_params.m_throttle.m_nTraps != nTraps) {
|
||
|
|
g_reg.SetDirty(TRUE);
|
||
|
|
g_reg.m_params.m_throttle.m_nTraps = nTraps;
|
||
|
|
}
|
||
|
|
|
||
|
|
TerminateBackgroundThread();
|
||
|
|
CDialog::OnOK();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
BOOL CTrapSettingsDlg::EditSettings()
|
||
|
|
{
|
||
|
|
m_bLimitMsgLength = g_reg.m_params.m_trapsize.m_bTrimFlag;
|
||
|
|
m_bTrimMessagesFirst = g_reg.m_params.m_trapsize.m_bTrimMessages;
|
||
|
|
m_bThrottleEnabled = g_reg.m_params.m_throttle.m_bIsEnabled;
|
||
|
|
|
||
|
|
|
||
|
|
// Save the data.
|
||
|
|
if (DoModal() == IDOK)
|
||
|
|
{
|
||
|
|
if (BOOLS_ARE_DIFFERENT(g_reg.m_params.m_trapsize.m_bTrimFlag, m_bLimitMsgLength)) {
|
||
|
|
g_reg.m_params.m_trapsize.m_bTrimFlag = m_bLimitMsgLength;
|
||
|
|
g_reg.SetDirty(TRUE);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (BOOLS_ARE_DIFFERENT(g_reg.m_params.m_trapsize.m_bTrimMessages, m_bTrimMessagesFirst)) {
|
||
|
|
g_reg.m_params.m_trapsize.m_bTrimMessages = m_bTrimMessagesFirst;
|
||
|
|
g_reg.SetDirty(TRUE);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (BOOLS_ARE_DIFFERENT(g_reg.m_params.m_throttle.m_bIsEnabled, m_bThrottleEnabled)) {
|
||
|
|
g_reg.m_params.m_throttle.m_bIsEnabled = m_bThrottleEnabled;
|
||
|
|
g_reg.SetDirty(TRUE);
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
void CTrapSettingsDlg::OnRadioDisable()
|
||
|
|
{
|
||
|
|
EnableThrottleWindows(FALSE);
|
||
|
|
}
|
||
|
|
|
||
|
|
void CTrapSettingsDlg::OnRadioEable()
|
||
|
|
{
|
||
|
|
EnableThrottleWindows(TRUE);
|
||
|
|
}
|
||
|
|
|
||
|
|
void CTrapSettingsDlg::EnableThrottleWindows(BOOL bEnableThrottle)
|
||
|
|
{
|
||
|
|
m_edtSeconds.EnableWindow(bEnableThrottle);
|
||
|
|
GetDlgItem(IDC_STATIC_MSG)->EnableWindow(bEnableThrottle);
|
||
|
|
GetDlgItem(IDC_STATIC_NTRAPS)->EnableWindow(bEnableThrottle);
|
||
|
|
GetDlgItem(IDC_STATIC_INTERVAL)->EnableWindow(bEnableThrottle);
|
||
|
|
m_edtTrapCount.EnableWindow(bEnableThrottle);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//****************************************************************
|
||
|
|
// CTrapSettingsDlg::OnButtonReset
|
||
|
|
//
|
||
|
|
// Reset the extension agent so that it starts sending traps again.
|
||
|
|
// The extension agent will stop sending traps if the throttle limit
|
||
|
|
// is exceeded (more than x number of traps per second are set).
|
||
|
|
//
|
||
|
|
// Parameters:
|
||
|
|
// None.
|
||
|
|
//
|
||
|
|
// Returns.
|
||
|
|
// Nothing.
|
||
|
|
//
|
||
|
|
//*****************************************************************
|
||
|
|
void CTrapSettingsDlg::OnButtonReset()
|
||
|
|
{
|
||
|
|
if (SUCCEEDED(g_reg.m_params.ResetExtensionAgent())) {
|
||
|
|
m_btnResetThrottle.EnableWindow(FALSE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL CTrapSettingsDlg::OnHelpInfo(HELPINFO *pHelpInfo)
|
||
|
|
{
|
||
|
|
if (pHelpInfo->iContextType == HELPINFO_WINDOW &&
|
||
|
|
pHelpInfo->iCtrlId != IDC_STATIC_MSG &&
|
||
|
|
pHelpInfo->iCtrlId != IDC_STATIC_BYTES)
|
||
|
|
{
|
||
|
|
::WinHelp ((HWND)pHelpInfo->hItemHandle,
|
||
|
|
AfxGetApp()->m_pszHelpFilePath,
|
||
|
|
HELP_WM_HELP,
|
||
|
|
(ULONG_PTR)g_aHelpIDs_IDD_SETTINGSDLG);
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
void CTrapSettingsDlg::OnContextMenu(CWnd* pWnd, CPoint point)
|
||
|
|
{
|
||
|
|
if (this == pWnd)
|
||
|
|
return;
|
||
|
|
|
||
|
|
::WinHelp (pWnd->m_hWnd,
|
||
|
|
AfxGetApp()->m_pszHelpFilePath,
|
||
|
|
HELP_CONTEXTMENU,
|
||
|
|
(ULONG_PTR)g_aHelpIDs_IDD_SETTINGSDLG);
|
||
|
|
}
|
||
|
|
|
||
|
|
void CTrapSettingsDlg::OnClose()
|
||
|
|
{
|
||
|
|
TerminateBackgroundThread();
|
||
|
|
CDialog::OnClose();
|
||
|
|
}
|
||
|
|
|
||
|
|
void CTrapSettingsDlg::OnCancel()
|
||
|
|
{
|
||
|
|
TerminateBackgroundThread();
|
||
|
|
CDialog::OnCancel();
|
||
|
|
}
|