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Annotation of mstools/mfc/samples/tracer/tracer.cpp, revision 1.1.1.1

1.1       root        1: // tracer.cpp : MFC Windows trace control application
                      2: //
                      3: // This is a part of the Microsoft Foundation Classes C++ library.
                      4: // Copyright (C) 1992 Microsoft Corporation
                      5: // All rights reserved.
                      6: //
                      7: // This source code is only intended as a supplement to the
                      8: // Microsoft Foundation Classes Reference and Microsoft
                      9: // QuickHelp documentation provided with the library.
                     10: // See these sources for detailed information regarding the
                     11: // Microsoft Foundation Classes product.
                     12: 
                     13: #include <afxwin.h>
                     14: 
                     15: /////////////////////////////////////////////////////////////////////////////
                     16: // Dialog class
                     17: 
                     18: class CPromptDlg : public CModalDialog
                     19: {
                     20:        BOOL    m_bEnabled;
                     21:        UINT    m_flags;
                     22: public:
                     23:        CPromptDlg();
                     24: 
                     25:        void Save();
                     26: 
                     27:        BOOL OnInitDialog();
                     28:        void OnOK();
                     29: };
                     30: 
                     31: static char BASED_CODE szIniFile[] = "AFX.INI";
                     32: static char BASED_CODE szDiagSection[] = "Diagnostics";
                     33: 
                     34: CPromptDlg::CPromptDlg()
                     35:        : CModalDialog("PROMPT")
                     36: {
                     37:        m_bEnabled = ::GetPrivateProfileInt(szDiagSection, "TraceEnabled", 
                     38:                FALSE, szIniFile);
                     39:        m_flags = ::GetPrivateProfileInt(szDiagSection, "TraceFlags", 
                     40:                0, szIniFile);
                     41: }
                     42: 
                     43: void CPromptDlg::Save()
                     44: {
                     45:        char szT[32];
                     46:        wsprintf(szT, "%d", m_bEnabled);
                     47: 
                     48:        if (!::WritePrivateProfileString(szDiagSection, "TraceEnabled", 
                     49:                szT, szIniFile))
                     50:        {
                     51:                MessageBox("Unable to Write to Initialization File",
                     52:                        "Tracer", MB_ICONEXCLAMATION);
                     53:        }
                     54: 
                     55:        wsprintf(szT, "%d", m_flags);
                     56:        if (!::WritePrivateProfileString(szDiagSection, "TraceFlags", szT, 
                     57:                szIniFile))
                     58:        {
                     59:                MessageBox("Unable to Write to Initialization File",
                     60:                        "Tracer", MB_ICONEXCLAMATION);
                     61:        }    
                     62: }
                     63: 
                     64: BOOL CPromptDlg::OnInitDialog()
                     65: {
                     66:        if (m_bEnabled)
                     67:                ((CButton*)GetDlgItem(512))->SetCheck(TRUE);
                     68: 
                     69:        for (int i = 0; i < 5; i++)
                     70:        {
                     71:                CButton* pCheck = (CButton*)GetDlgItem(256 + i);
                     72:                if (pCheck == NULL)
                     73:                        break;      // no more checkboxes
                     74:                if (m_flags & (1 << i))
                     75:                        pCheck->SetCheck(TRUE);
                     76:        }
                     77:        return TRUE;
                     78: }
                     79: 
                     80: void CPromptDlg::OnOK()
                     81: {
                     82:        m_bEnabled = ((CButton*)GetDlgItem(512))->GetCheck();
                     83:        m_flags = 0;
                     84: 
                     85:        for (int i = 0; i < 5; i++)
                     86:        {
                     87:                CButton* pCheck = (CButton*)GetDlgItem(256 + i);
                     88:                if (pCheck == NULL)
                     89:                        break;      // no more checkboxes
                     90:                if (pCheck->GetCheck())
                     91:                        m_flags |= (1 << i);
                     92:        }
                     93:        EndDialog(IDOK);
                     94: }
                     95: 
                     96: /////////////////////////////////////////////////////////////////////////////
                     97: // Application class
                     98: 
                     99: class CTracerApp : public CWinApp
                    100: {
                    101: public:
                    102:        virtual BOOL InitInstance();
                    103: };
                    104: 
                    105: CTracerApp theTracerApp;
                    106: 
                    107: BOOL CTracerApp::InitInstance()
                    108: {
                    109:        CPromptDlg  dlg;
                    110: 
                    111:        if (dlg.DoModal() == IDOK)
                    112:                dlg.Save();
                    113: 
                    114:        ::PostQuitMessage(0);       // Exit application
                    115:        return TRUE;
                    116: }
                    117: 
                    118: /////////////////////////////////////////////////////////////////////////////

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