// XTPMarkupObject.h: interface for the CXTPMarkupObject class.
//
// This file is a part of the XTREME TOOLKIT PRO MFC class library.
// (c)1998-2012 Codejock Software, All Rights Reserved.
//
// THIS SOURCE FILE IS THE PROPERTY OF CODEJOCK SOFTWARE AND IS NOT TO BE
// RE-DISTRIBUTED BY ANY MEANS WHATSOEVER WITHOUT THE EXPRESSED WRITTEN
// CONSENT OF CODEJOCK SOFTWARE.
//
// THIS SOURCE CODE CAN ONLY BE USED UNDER THE TERMS AND CONDITIONS OUTLINED
// IN THE XTREME TOOLKIT PRO LICENSE AGREEMENT. CODEJOCK SOFTWARE GRANTS TO
// YOU (ONE SOFTWARE DEVELOPER) THE LIMITED RIGHT TO USE THIS SOFTWARE ON A
// SINGLE COMPUTER.
//
// CONTACT INFORMATION:
// support@codejock.com
// http://www.codejock.com
//
/////////////////////////////////////////////////////////////////////////////

//{{AFX_CODEJOCK_PRIVATE
#if !defined(__XTPMARKUPOBJECT_H__)
#define __XTPMARKUPOBJECT_H__
//}}AFX_CODEJOCK_PRIVATE

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

class CXTPMarkupDrawingContext;
class CXTPMarkupDependencyProperty;
class CXTPMarkupObject;
class CXTPMarkupBuilder;
class CXTPMarkupPropertyFromNameMap;
class CXTPMarkupPropertyChangedEventArgs;
class CXTPMarkupContext;
class CXTPMarkupProperties;
class CXTPMarkupType;
class CXTPMarkupStyle;
class CXTPMarkupBuilder;

enum XTPMarkupTextAlignment
{
	xtpMarkupTextAlignmentLeft,
	xtpMarkupTextAlignmentRight,
	xtpMarkupTextAlignmentCenter,
	xtpMarkupTextAlignmentJustify
};

enum XTPMarkupHorizontalAlignment
{
	xtpMarkupHorizontalAlignmentLeft,
	xtpMarkupHorizontalAlignmentCenter,
	xtpMarkupHorizontalAlignmentRight,
	xtpMarkupHorizontalAlignmentStretch
};

enum XTPMarkupVerticalAlignment
{
	xtpMarkupVerticalAlignmentTop,
	xtpMarkupVerticalAlignmentCenter,
	xtpMarkupVerticalAlignmentBottom,
	xtpMarkupVerticalAlignmentStretch
};

enum XTPMarkupOrientation
{
	xtpMarkupOrientationHorizontal,
	xtpMarkupOrientationVertical
};

enum XTPMarkupBaselineAlignment
{
	xtpMarkupBaselineTop,
	xtpMarkupBaselineCenter,
	xtpMarkupBaselineBottom,
	xtpMarkupBaseline,
	xtpMarkupBaselineTextTop,
	xtpMarkupBaselineTextBottom,
	xtpMarkupBaselineSubscript,
	xtpMarkupBaselineSuperscript
};

enum XTPMarkupVisibility
{
	xtpMarkupVisibilityVisible = 0,
	xtpMarkupVisibilityHidden = 1,
	xtpMarkupVisibilityCollapsed = 2
};

enum XTPMarkupLineCap
{
	xtpMarkupLineCapFlat,
	xtpMarkupLineCapSquare,
	xtpMarkupLineCapRound,
	xtpMarkupLineCapTriangle
};

enum XTPMarkupLineJoin
{
	xtpMarkupLineJoinMiter,
	xtpMarkupLineJoinBevel,
	xtpMarkupLineJoinRound
};


typedef CXTPMarkupObject* (*PFNCONVERTFROM)(CXTPMarkupBuilder* pBuilder, CXTPMarkupObject* pObject);
typedef void (*PFNPROPERTYCHANGED)(CXTPMarkupObject* d, CXTPMarkupPropertyChangedEventArgs* e);

class _XTP_EXT_CLASS CXTPMarkupPropertyMetadata
{
public:
	enum MetadataFlags
	{
		flagInherited = 1,
		flagAffectsArrange = 2,
		flagAffectsMeasure = 4,
		flagAffectsParentArrange = 8,
		flagAffectsParentMeasure = 16,
		flagAffectsRender = 32,
	};

public:
	CXTPMarkupPropertyMetadata(CXTPMarkupObject* pDefaultValue, DWORD dwFlags = 0);
	CXTPMarkupPropertyMetadata(CXTPMarkupObject* pDefaultValue, PFNCONVERTFROM pConverter, DWORD dwFlags = 0);
	CXTPMarkupPropertyMetadata(CXTPMarkupObject* pDefaultValue, PFNPROPERTYCHANGED pPropertyChanged, DWORD dwFlags = 0);
	CXTPMarkupPropertyMetadata(CXTPMarkupObject* pDefaultValue, PFNCONVERTFROM pConverter, PFNPROPERTYCHANGED pPropertyChanged, DWORD dwFlags = 0);
	virtual ~CXTPMarkupPropertyMetadata();

public:
	CXTPMarkupObject* m_pDefaultValue;
	PFNCONVERTFROM m_pConverter;
	PFNPROPERTYCHANGED m_pPropertyChanged;
	DWORD m_dwFlags;

	friend class CXTPMarkupObject;
};


#define MARKUP_RELEASE(x) if (x) { x->Release(); x = 0;}
#define MARKUP_ADDREF(x) if (x) { x->AddRef(); }

#define MARKUP_TYPE(class_name) ((CXTPMarkupType*)(class_name::type##class_name))

#define  DECLARE_MARKUPCLASS(class_name) \
	public: \
	static CXTPMarkupType* AFX_CDECL GetMarkupBaseType(); \
	static CXTPMarkupObject* AFX_CDECL CreateMarkupObject();\
	static void AFX_CDECL RegisterMarkupClass(); \
	virtual CXTPMarkupType* GetType() const; \
	static void AFX_CDECL RegisterType(); \
	static const CXTPMarkupType* type##class_name; \

#define  IMPLEMENT_MARKUPCLASS(class_tag, class_name, base_class_name) \
	CXTPMarkupObject* AFX_CDECL class_name::CreateMarkupObject() \
		{ return new class_name; } \
	CXTPMarkupType* AFX_CDECL class_name::GetMarkupBaseType() \
		{ return MARKUP_TYPE(base_class_name); } \
	const CXTPMarkupType* class_name::type##class_name = new CXTPMarkupType( \
	class_tag, L#class_name, &class_name::CreateMarkupObject, &class_name::GetMarkupBaseType, &class_name::RegisterMarkupClass); \
	CXTPMarkupType* class_name::GetType() const \
		{ return MARKUP_TYPE(class_name); } \
	void AFX_CDECL class_name::RegisterType() { MARKUP_TYPE(class_name)->Register(); }


#ifdef _DEBUG
#define MARKUP_STATICCAST(class_name, object) \
	((class_name*)CXTPMarkupType::StaticDownCast(MARKUP_TYPE(class_name), object))
#else
#define MARKUP_STATICCAST(class_name, object) ((class_name*)object)
#endif

#undef MARKUP_DYNAMICCAST
#define MARKUP_DYNAMICCAST(class_name, object) \
	(class_name*)CXTPMarkupType::DynamicDownCast(MARKUP_TYPE(class_name), object)



class _XTP_EXT_CLASS CXTPMarkupObject
{
	DECLARE_MARKUPCLASS(CXTPMarkupObject);
public:
	CXTPMarkupObject();

protected:
	virtual ~CXTPMarkupObject();

public:
	void SetValue(CXTPMarkupDependencyProperty* pProperty, CXTPMarkupObject* pValue);
	CXTPMarkupObject* GetValue(CXTPMarkupDependencyProperty* pProperty) const;

	CXTPMarkupObject* GetValueSource(CXTPMarkupDependencyProperty* pProperty) const;

	virtual CXTPMarkupObject* GetValueCore(CXTPMarkupDependencyProperty* pProperty) const;

	void SetLogicalParent(CXTPMarkupObject* pObject);
	CXTPMarkupObject* GetLogicalParent() const;

	BOOL IsKindOf(const CXTPMarkupType* pClass) const;

public:
	DWORD AddRef();
	DWORD Release();

public:
	virtual UINT GetHashKey() const;
	virtual BOOL IsEqual(const CXTPMarkupObject* pObject) const;

	BOOL operator==(const CXTPMarkupObject* pObject) const;

public:
	CXTPMarkupObject* FindName(LPCWSTR lpszName);
	virtual int GetLogicalChildrenCount() const;
	virtual CXTPMarkupObject* GetLogicalChild(int nIndex) const;

public:
	virtual void SetContentObject(CXTPMarkupBuilder* pBuilder, CXTPMarkupObject* pContent);
	virtual void SetPropertyObject(CXTPMarkupBuilder* pBuilder, CXTPMarkupDependencyProperty* pProperty, CXTPMarkupObject* pValue);
	virtual CXTPMarkupObject* ConvertFrom(CXTPMarkupBuilder* pBuilder, CXTPMarkupObject* pObject) const;
	virtual BOOL HasContentObject() const;
	virtual BOOL AllowWhiteSpaceContent() const;

protected:
	virtual void OnPropertyChanged(CXTPMarkupDependencyProperty* pProperty, CXTPMarkupObject* pOldValue, CXTPMarkupObject* pNewValue);

	void RecursePropertyChanged(CXTPMarkupDependencyProperty* pProperty, CXTPMarkupObject* pOldValue, CXTPMarkupObject* pNewValue);

protected:
	virtual void OnFinalRelease();


protected:
	CXTPMarkupObject* m_pLogicalParent;

	CXTPMarkupProperties* m_pProperties;

	LPWSTR m_lpMarkupTag;
	long m_dwRef;

protected:
	friend class CXTPMarkupBuilder;
	friend class CXTPMarkupStyle;
	static CXTPMarkupDependencyProperty* m_pNameProperty;
	static CXTPMarkupDependencyProperty* m_pKeyProperty;

	friend class CXTPMarkupProperties;
};

typedef CXTPMarkupObject* CXTPMarkupObjectPtr;

class _XTP_EXT_CLASS CXTPMarkupDependencyProperty : public CXTPMarkupObject
{
	DECLARE_MARKUPCLASS(CXTPMarkupDependencyProperty);
protected:
	CXTPMarkupDependencyProperty();

public:
	virtual ~CXTPMarkupDependencyProperty();

public:
	static CXTPMarkupDependencyProperty* Register(LPCWSTR lpszName, CXTPMarkupType* pPropetyType, CXTPMarkupType* pOwnerType, CXTPMarkupPropertyMetadata* pMetadata = NULL);
	static CXTPMarkupDependencyProperty* RegisterAttached(LPCWSTR lpszName, CXTPMarkupType* pPropetyType, CXTPMarkupType* pOwnerType, CXTPMarkupPropertyMetadata* pMetadata = NULL);
	CXTPMarkupDependencyProperty* AddOwner(CXTPMarkupType* pOwnerType);

public:
	LPCWSTR GetName() const;
	CXTPMarkupType* GetPropetyType() const;
	CXTPMarkupType* GetOwnerType() const;
	CXTPMarkupPropertyMetadata* GetMetadata() const;
	BOOL IsAttached() const;
	virtual BOOL IsEvent() const;

	DWORD GetFlags() const;

public:
	static CXTPMarkupDependencyProperty* AFX_CDECL FindProperty(CXTPMarkupType* pRuntimeClass, LPCWSTR lpszAttribute);

protected:
	static CXTPMarkupPropertyFromNameMap* GetPropertyMap();
	static CXTPMarkupDependencyProperty* RegisterCommon(CXTPMarkupDependencyProperty* dp, LPCWSTR lpszName, CXTPMarkupType* pPropetyType, CXTPMarkupType* pOwnerType, BOOL bAttached);

private:
	LPCWSTR m_lpszName;
	CXTPMarkupType* m_pPropetyType;
	CXTPMarkupType* m_pOwnerType;
	CXTPMarkupPropertyMetadata* m_pMetadata;
	BOOL m_bAttached;
	int m_nIndex;

	static int s_nCount;

	friend class CXTPMarkupBuilder;
	friend class CXTPMarkupRoutedEvent;
	friend class CXTPMarkupProperties;
};

class _XTP_EXT_CLASS CXTPMarkupPropertyChangedEventArgs
{
public:
	CXTPMarkupPropertyChangedEventArgs(CXTPMarkupDependencyProperty* pProperty, CXTPMarkupObject* pOldValue, CXTPMarkupObject* pNewValue);

public:
	CXTPMarkupDependencyProperty* m_pProperty;
	CXTPMarkupObject* m_pOldValue;
	CXTPMarkupObject* m_pNewValue;
};


class _XTP_EXT_CLASS CXTPMarkupInt : public CXTPMarkupObject
{
	DECLARE_MARKUPCLASS(CXTPMarkupInt);
public:
	CXTPMarkupInt(int nValue = 0);

	operator int() const
	{
		return m_nValue;
	}

	int GetValue() const
	{
		return m_nValue;
	}

public:
	CXTPMarkupObject* ConvertFrom(CXTPMarkupBuilder* pBuilder, CXTPMarkupObject* pObject) const;

public:
	virtual BOOL IsEqual(const CXTPMarkupObject* pObject) const;

protected:
	int m_nValue;
};

class _XTP_EXT_CLASS CXTPMarkupDouble : public CXTPMarkupObject
{
	DECLARE_MARKUPCLASS(CXTPMarkupDouble);
public:
	CXTPMarkupDouble(double dValue = 0);

	operator double() const {
		return m_dValue;
	}

public:
	CXTPMarkupObject* ConvertFrom(CXTPMarkupBuilder* pBuilder, CXTPMarkupObject* pObject) const;

public:
	virtual BOOL IsEqual(const CXTPMarkupObject* pObject) const;

protected:
	double m_dValue;
};

class _XTP_EXT_CLASS CXTPMarkupEnum : public CXTPMarkupObject
{
	DECLARE_MARKUPCLASS(CXTPMarkupEnum);
public:
	CXTPMarkupEnum(int nValue = 0);

	operator int() const {
		return m_nValue;
	}

public:
	static CXTPMarkupEnum* AFX_CDECL CreateValue(int nValue);


public:
	CXTPMarkupObject* ConvertFrom(CXTPMarkupBuilder* pBuilder, CXTPMarkupObject* pObject) const;

public:
	virtual BOOL IsEqual(const CXTPMarkupObject* pObject) const;

protected:
	int m_nValue;
};

class _XTP_EXT_CLASS CXTPMarkupBool : public CXTPMarkupObject
{
	DECLARE_MARKUPCLASS(CXTPMarkupBool);
public:
	CXTPMarkupBool(BOOL bValue = FALSE);

	operator BOOL() const {
		return m_bValue;
	}

public:
	static CXTPMarkupBool* AFX_CDECL CreateTrueValue();
	static CXTPMarkupBool* AFX_CDECL CreateFalseValue();
	static CXTPMarkupBool* AFX_CDECL CreateValue(BOOL bValue);


public:
	CXTPMarkupObject* ConvertFrom(CXTPMarkupBuilder* pBuilder, CXTPMarkupObject* pObject) const;

public:
	virtual UINT GetHashKey() const;
	virtual BOOL IsEqual(const CXTPMarkupObject* pObject) const;

protected:
	BOOL m_bValue;
};

class _XTP_EXT_CLASS CXTPMarkupColor : public CXTPMarkupObject
{
	DECLARE_MARKUPCLASS(CXTPMarkupColor);
public:
	CXTPMarkupColor(COLORREF nValue = 0);
	CXTPMarkupColor(BYTE bAlpha, COLORREF nValue);

	operator COLORREF() const {
		return m_nValue;
	}

	CXTPMarkupObject* ConvertFrom(CXTPMarkupBuilder* pBuilder, CXTPMarkupObject* pObject) const;

public:
	static BOOL AFX_CDECL ConvertFromString(LPCWSTR lpszValue, COLORREF& clr);

public:
	virtual BOOL IsEqual(const CXTPMarkupObject* pObject) const;

protected:
	void SetContentObject(CXTPMarkupBuilder* pBuilder, CXTPMarkupObject* /*pContent*/);


protected:
	COLORREF m_nValue;
};

class _XTP_EXT_CLASS CXTPMarkupString : public CXTPMarkupObject
{
	DECLARE_MARKUPCLASS(CXTPMarkupString);

public:
	CXTPMarkupString(LPCSTR lpszValue);
	CXTPMarkupString(LPCWSTR lpszValue = NULL, int nLength = -1);

private:
	~CXTPMarkupString();

public:
	operator LPCWSTR() const {
		return m_lpszValue;
	}
	int GetLength() const {
		return m_nLength;
	}

public:
	static CXTPMarkupString* AFX_CDECL CreateValue(LPCWSTR lpszString, int nLength = -1);

public:
	virtual UINT GetHashKey() const;
	virtual BOOL IsEqual(const CXTPMarkupObject* pObject) const;

private:
	void Init(LPCWSTR lpszValue, int nLength);

protected:
	LPWSTR m_lpszValue;
	int m_nLength;
};

class _XTP_EXT_CLASS CXTPMarkupType : public CXTPMarkupObject
{
	DECLARE_MARKUPCLASS(CXTPMarkupType);

protected:
	class CClassList;
	static CClassList* GetClassList();

public:
	typedef CXTPMarkupObject* (AFX_CDECL* PFNCREATEOBJECT)();
	typedef CXTPMarkupType* (AFX_CDECL* PFNGETBASETYPE)();
	typedef void (AFX_CDECL* PFNREGISTERMARKUPCLASS)();

	CXTPMarkupObject* CreateObject() const;

	static void AFX_CDECL RegisterAll();

public:
	CXTPMarkupType();
	CXTPMarkupType(LPCWSTR lpszTag, LPCWSTR lpszClassName, PFNCREATEOBJECT pfnCreateObject, PFNGETBASETYPE pfnGetBaseType, PFNREGISTERMARKUPCLASS pfnRegisterMarkupClass);
private:
	~CXTPMarkupType();

public:
	BOOL IsDerivedFrom(const CXTPMarkupType* pBaseClass) const;
	static CXTPMarkupObject* AFX_CDECL DynamicDownCast(CXTPMarkupType* pType, CXTPMarkupObject* pObject);
	static CXTPMarkupObject* AFX_CDECL StaticDownCast(CXTPMarkupType* pType, CXTPMarkupObject* pObject);

	static CXTPMarkupType* AFX_CDECL LookupTag(LPCWSTR lpszTag);

	void Register();

	CXTPMarkupStyle* GetTypeStyle() const;
	void SetTypeStyle(CXTPMarkupStyle* pStyle);

	CXTPMarkupType* GetBaseType() const;

protected:
	CXTPMarkupObject* ConvertFrom(CXTPMarkupBuilder* pBuilder, CXTPMarkupObject* pObject) const;

public:
	LPCWSTR m_lpszTag;
	LPCWSTR m_lpszClassName;
	CXTPMarkupType* m_pNextType;
protected:
	BOOL m_bRegister;
	PFNCREATEOBJECT m_pfnCreateObject;
	PFNGETBASETYPE m_pfnGetBaseType;
	PFNREGISTERMARKUPCLASS m_pfnRegisterMarkupClass;
	CXTPMarkupStyle* m_pTypeStyle;
};

AFX_INLINE BOOL IsStringObject(CXTPMarkupObject* pObject)
{
	return pObject && pObject->GetType() == MARKUP_TYPE(CXTPMarkupString);
}

class _XTP_EXT_CLASS CXTPMarkupCollection : public CXTPMarkupObject
{
	DECLARE_MARKUPCLASS(CXTPMarkupCollection);
public:
	CXTPMarkupCollection();
	~CXTPMarkupCollection();

public:
	int GetCount() const;
	void Add(CXTPMarkupObject* pElement);
	void Insert(int nIndex, CXTPMarkupObject* pElement);
	void RemoveAll();
	void Remove(int nIndex);
	int IndexOf(CXTPMarkupObject* pElement) const;

public:
	void SetContentObject(CXTPMarkupBuilder* pBuilder, CXTPMarkupObject* pContent);
	BOOL HasContentObject() const;

	CXTPMarkupType* GetElementType() const;

	virtual int GetLogicalChildrenCount() const;
	virtual CXTPMarkupObject* GetLogicalChild(int nIndex) const;

protected:
	virtual void OnItemAdded(CXTPMarkupObject* pItem, int nIndex);
	virtual void OnChanged();

protected:
	CArray<CXTPMarkupObject*, CXTPMarkupObject*> m_arrItems;
	CXTPMarkupType* m_pElementType;
	BOOL m_bLogicalParent;
};


class CXTPMarkupProperties : public CXTPMarkupObject
{
public:
	CXTPMarkupProperties(CXTPMarkupObject* pOwner);
	~CXTPMarkupProperties();

public:
	BOOL IsPropertyValid(CXTPMarkupDependencyProperty* pProperty) const;

	CXTPMarkupObject* Lookup(CXTPMarkupDependencyProperty* pProperty) const;

	void Copy(CXTPMarkupProperties* pOwner);

	void Set(CXTPMarkupDependencyProperty* pProperty, CXTPMarkupObject* pValue);

protected:
	CXTPMarkupObject** m_pTable;
	int m_nTableSize;
	CXTPMarkupObject* m_pOwner;
};


class CXTPMarkupAutoPtr
{
public:
	CXTPMarkupAutoPtr(CXTPMarkupObject* pObject = NULL);
	~CXTPMarkupAutoPtr();

public:
	CXTPMarkupObject* AddRef() const;
	CXTPMarkupObject* operator->() const;

public:
	CXTPMarkupObject* m_pObject;
};


class _XTP_EXT_CLASS CXTPMarkupDoubleCollection : public CXTPMarkupObject
{
	DECLARE_MARKUPCLASS(CXTPMarkupDoubleCollection)
public:
	typedef CArray<float, float&> CDoubleArray;
public:
	CXTPMarkupDoubleCollection();
	CXTPMarkupDoubleCollection(CDoubleArray& arr);

public:
	int GetCount() const;
	const float* GetData() const;
	float GetAt(int nIndex) const;
	void RemoveAll();
	void Remove(int nIndex);
	void Add(float fValue);


protected:
	CXTPMarkupObject* ConvertFrom(CXTPMarkupBuilder* pBuilder, CXTPMarkupObject* pObject) const;
	static BOOL AFX_CDECL ConvertFromString(LPCWSTR lpszValue, CDoubleArray& arr);
	static BOOL AFX_CDECL GetNextValue(LPCWSTR& lpszValue, float& nValue);

protected:
	CDoubleArray m_arr;



};

AFX_INLINE CXTPMarkupStyle* CXTPMarkupType::GetTypeStyle() const {
	return m_pTypeStyle;
}
AFX_INLINE int CXTPMarkupCollection::GetCount() const {
	return (int)m_arrItems.GetSize();
}
AFX_INLINE CXTPMarkupType* CXTPMarkupCollection::GetElementType() const {
	return m_pElementType;
}
AFX_INLINE  LPCWSTR CXTPMarkupDependencyProperty::GetName() const {
	return m_lpszName;
}
AFX_INLINE CXTPMarkupType* CXTPMarkupDependencyProperty::GetPropetyType() const {
	return m_pPropetyType;
}
AFX_INLINE CXTPMarkupType* CXTPMarkupDependencyProperty::GetOwnerType() const {
	return m_pOwnerType;
}
AFX_INLINE CXTPMarkupPropertyMetadata* CXTPMarkupDependencyProperty::GetMetadata() const {
	return m_pMetadata;
}
AFX_INLINE BOOL CXTPMarkupDependencyProperty::IsAttached() const {
	return m_bAttached;
}
AFX_INLINE BOOL CXTPMarkupDependencyProperty::IsEvent() const {
	return FALSE;
}
AFX_INLINE DWORD CXTPMarkupDependencyProperty::GetFlags() const {
	return m_pMetadata ? m_pMetadata->m_dwFlags : 0;
}
AFX_INLINE UINT CXTPMarkupObject::GetHashKey() const {
	return (UINT)(UINT_PTR)this;
}
AFX_INLINE BOOL CXTPMarkupObject::IsEqual(const CXTPMarkupObject* pObject) const {
	return pObject == this;
}
AFX_INLINE BOOL CXTPMarkupObject::operator==(const CXTPMarkupObject* pObject) const {
	return IsEqual(pObject);
}
AFX_INLINE bool AFXAPI operator==(const CXTPMarkupObject& s1, const CXTPMarkupObject& s2) {
	return s1.IsEqual(&s2) ? true : false;
}
template<> AFX_INLINE UINT AFXAPI HashKey(CXTPMarkupObject* key)
{
	return key->GetHashKey();
}
template<> AFX_INLINE BOOL AFXAPI CompareElements(const CXTPMarkupObjectPtr* pElement1, const CXTPMarkupObjectPtr* pElement2)
{
	return (*pElement1)->IsEqual(*pElement2);
}

AFX_INLINE BOOL IsEqual(CXTPMarkupObject* pNewValue, CXTPMarkupObject* pOldValue) {
	if (pNewValue == NULL && pOldValue == NULL)
		return TRUE;

	if (pNewValue != NULL || pOldValue != NULL)
		return FALSE;

	return pNewValue->IsEqual(pOldValue);
}

#endif // !defined(__XTPMARKUPOBJECT_H__)