EKOALA4.H

/* 
* EKOALA4.H
* Koala Object EXE Server with Custom Interface Chapter 6
*
* Definitions, classes, and prototypes for an application that
* provides Koala objects to any other object user.
*
* Copyright (c)1993-1995 Microsoft Corporation, All Rights Reserved
*
* Kraig Brockschmidt, Microsoft
* Internet : kraigb@microsoft.com
* Compuserve: >INTERNET:kraigb@microsoft.com
*/


#ifndef _EKOALA4_H_
#define _EKOALA4_H_


//Get the object definitions
#include "koala.h"


//EKOALA4.CPP
LRESULT APIENTRY KoalaWndProc(HWND, UINT, WPARAM, LPARAM);

class CApp
{
friend LRESULT APIENTRY KoalaWndProc(HWND, UINT, WPARAM, LPARAM);

protected:
HINSTANCE m_hInst; //WinMain parameters
HINSTANCE m_hInstPrev;
LPSTR m_pszCmdLine;
UINT m_nCmdShow;

HWND m_hWnd; //Main window handle

BOOL m_fInitialized; //Did CoInitialize work?
LPCLASSFACTORY m_pIClassFactory; //Our class factory
DWORD m_dwRegCO; //Registration key

public:
CApp(HINSTANCE, HINSTANCE, LPSTR, UINT);
~CApp(void);
BOOL Init(void);
};

typedef CApp *PAPP;

#define CBWNDEXTRA sizeof(PAPP)
#define KOALAWL_STRUCTURE 0


void ObjectDestroyed(void);


//This class factory object creates Koala objects.

class CKoalaClassFactory : public IClassFactory
{
protected:
ULONG m_cRef;

public:
CKoalaClassFactory(void);
~CKoalaClassFactory(void);

//IUnknown members
STDMETHODIMP QueryInterface(REFIID, PPVOID);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);

//IClassFactory members
STDMETHODIMP CreateInstance(LPUNKNOWN, REFIID, PPVOID);
STDMETHODIMP LockServer(BOOL);
};

typedef CKoalaClassFactory *PCKoalaClassFactory;

#endif //_EKOALA4_H_