Leaked source code of windows server 2003
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//=============================================================================
// CPageBase defines a class which is an interface from which the tab page
// classes will inherit (using multiple inheritance). These methods will be
// called by the main MSConfig control to create and manipulate the pages.
//=============================================================================
#pragma once
extern BOOL FileExists(const CString & strFile);
class CPageBase
{
public:
//-------------------------------------------------------------------------
// This enumeration is used by the tab to communicate its state. NORMAL
// means that the tab has made no changes to the system. DIAGNOSTIC
// means the tab has disabled as much as possible. USER means an in-
// between state (the user has disabled some things).
//-------------------------------------------------------------------------
typedef enum { NORMAL, DIAGNOSTIC, USER } TabState;
public:
CPageBase() : m_fMadeChange(FALSE), m_fInitialized(FALSE) { }
virtual ~CPageBase() { }
//-------------------------------------------------------------------------
// Get the tab state. These two functions will return the current tab
// state, or the state which was last applied to the system.
//
// For the default implementation, the base pages should not override the
// GetAppliedTabState() function, as long as they call
// CPageBase::SetAppliedState() when changes are applied.
//-------------------------------------------------------------------------
virtual TabState GetCurrentTabState() = 0;
virtual TabState GetAppliedTabState();
//-------------------------------------------------------------------------
// CommitChanges() is called when the changes made by this tab are to be
// made permanent. This base class version can be called if the derived
// class is letting the base class maintain the applied state.
//-------------------------------------------------------------------------
virtual void CommitChanges()
{
SetAppliedState(NORMAL);
}
//-------------------------------------------------------------------------
// MadeChanges() should return TRUE if this tab has applied changes to the
// system. This is checked when determining if the computer should be
// restarted when MSConfig exits. If the tab maintains the m_fMadeChange
// variable, this doesn't need to be overridden.
//-------------------------------------------------------------------------
virtual BOOL HasAppliedChanges()
{
return m_fMadeChange;
}
//-------------------------------------------------------------------------
// GetName() should return the name of this tab. This is an internal,
// non-localized name.
//-------------------------------------------------------------------------
virtual LPCTSTR GetName() = 0;
//-------------------------------------------------------------------------
// The following two member functions are called to when the user makes
// a global change to a tab's state (on the general tab).
//-------------------------------------------------------------------------
virtual void SetNormal() = 0;
virtual void SetDiagnostic() = 0;
protected:
//-------------------------------------------------------------------------
// Sets the applied tab state (if the derived class is allowing the base
// class to maintain this).
//-------------------------------------------------------------------------
void SetAppliedState(TabState state);
protected:
BOOL m_fMadeChange; // has the tab applied changes to the system?
BOOL m_fInitialized; // has OnInitDialog() been called?
};