ref: d09e11ba1abdd440a610d4661ca1e5b5a1ca2cad
dir: /wingui/AbstractPageCtrlContent.h/
// AbstractPageCtrlContent.h: interface for the CAbstractPageCtrlContent class.
// Author: Torsten Landmann
//
// This is the base class for classes that are able to hold a piece
// of data from a property page; this is useful for "merging" the
// data of several selected jobs so that differing data isn't overwritten
// if not desired
//
//////////////////////////////////////////////////////////////////////
#if !defined(AFX_ABSTRACTPAGECTRLCONTENT_H__7B47B268_0FF8_11D5_8402_0080C88C25BD__INCLUDED_)
#define AFX_ABSTRACTPAGECTRLCONTENT_H__7B47B268_0FF8_11D5_8402_0080C88C25BD__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
class CAbstractPageCtrlContent
{
public:
CAbstractPageCtrlContent();
virtual ~CAbstractPageCtrlContent();
bool Is3rdState() const { return m_b3rdStateContent; }
void SetIs3rdState(bool b3rdState) { m_b3rdStateContent=b3rdState; }
// all derived classes must implement this method;
// it's important that identical hash strings always
// mean identical content - also across class boundries;
// that's why there is the following convention:
// classes return a string <class name>-<A>
// where <A> is the unique content in this object
virtual CString GetHashString() const=0;
// this operator connects the underlying objects so that
// the 3rd state flag is correctly kept track of
CAbstractPageCtrlContent& operator*=(const CAbstractPageCtrlContent &oRight);
private:
bool m_b3rdStateContent;
};
#endif // !defined(AFX_ABSTRACTPAGECTRLCONTENT_H__7B47B268_0FF8_11D5_8402_0080C88C25BD__INCLUDED_)