A Faster Tree Control

#if !defined(AFX_RGTREECTRL_H__6DE6C0C5_8498_11D4_843E_02608CA1FA7B__INCLUDED_)
#define AFX_RGTREECTRL_H__6DE6C0C5_8498_11D4_843E_02608CA1FA7B__INCLUDED_

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


/**********************************************************************************************
 *                                                                                            *
 *  FILE: RGTreeCtrl.h                                                                        *
 *                                                                                            *
 *  DESCRIPTION:                                                                              *
 *       Declaration of the TreeCtrl class using the template CRGTreeT                        *
 *                                                                                            *
 *  Ren� Greiner                                                                              *
 *		eMail: rene.greiner@gmx.de                                                            *
 *                                                                                            *
 **********************************************************************************************/

// The following ifdef block is the standard way of creating macros which make exporting 
// from a DLL simpler. All files within this DLL are compiled with the RGTREECTRL_EXPORTS
// symbol defined on the command line. this symbol should not be defined on any project
// that uses this DLL. This way any other project whose source files include this file see 
// RGTREECTRL_API functions as being imported from a DLL, wheras this DLL sees symbols
// defined with this macro as being exported.

#pragma once

#ifdef RGTREECTRL_EXPORTS
#define RGTREECTRL_API __declspec(dllexport)
#else
#define RGTREECTRL_API __declspec(dllimport)
#endif

extern "C" RGTREECTRL_API HWND CreateRGTree( DWORD dwStyle, int x, int y, int nWidth, int nHeight, HWND hWndParent, HMENU hMenu, HANDLE hInstance, LPVOID lpParam);

//extern "C" RGTREECTRL_API LRESULT CALLBACK RGTreeWindowProc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);

#ifdef __AFX_H__ // MFC project

/////////////////////////////////////////////////////////////////////////////
// CRGTreeCtrl window ( MFC )

class RGTREECTRL_API CRGTreeCtrl : public CTreeCtrl
{
protected:
	virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam);
	virtual void PreSubclassWindow();
	
	bool m_bCreated;
	
public:
    CRGTreeCtrl();
	
	virtual BOOL Create(DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID);
	
	// advanced creation (allows access to extended styles)
	BOOL CreateEx(DWORD dwExStyle, LPCTSTR lpszClassName,
		LPCTSTR lpszWindowName, DWORD dwStyle,
		int x, int y, int nWidth, int nHeight,
		HWND hWndParent, HMENU nIDorHMenu, LPVOID lpParam = NULL);
	
	BOOL CreateEx(DWORD dwExStyle, LPCTSTR lpszClassName,
		LPCTSTR lpszWindowName, DWORD dwStyle,
		const RECT& rect,
		CWnd* pParentWnd, UINT nID,
		LPVOID lpParam = NULL);
};

#endif //__AFX_H__

#endif // !defined(AFX_RGTREECTRL_H__6DE6C0C5_8498_11D4_843E_02608CA1FA7B__INCLUDED_)