//**********************************************************************
// File name: app.h
//
//      Definition of CSimpleApp
//
// Copyright (c) 1992 - 1993 Microsoft Corporation. All rights reserved.
//**********************************************************************

#if !defined( _APP_H_)
#define _APP_H_

#include <ole2.h>

class CSimpleDoc;

class CSimpleApp : public IUnknown
{            
public:

    int m_nCount;           // reference count
    HWND m_hAppWnd;         // main window handle
    HWND m_hDriverWnd;	    // window handle for the driver app.
    HINSTANCE m_hInst;      // application instance
    CSimpleDoc FAR * m_lpDoc;   // pointer to document object
    BOOL m_fInitialized;    // OLE initialization flag
    HMENU           m_hMainMenu;        
    HMENU           m_hFileMenu;
    HMENU           m_hEditMenu;
    HMENU           m_hHelpMenu;  
    HMENU           m_hCascadeMenu;     // OLE object's verb

    // Drag/Drop related fields
    int m_nDragDelay;       // time delay (in msec) before drag should start
    int m_nDragMinDist;     // min. distance (radius) before drag should start
    int m_nScrollDelay;     // time delay (in msec) before scroll should start
    int m_nScrollInset;     // Border inset distance to start drag scroll
    int m_nScrollInterval;  // scroll interval time (in msec)

    DWORD m_dwSourceEffect; // Allowed effects to source
    DWORD m_dwTargetEffect; // Allowed target effects
    
    CSimpleApp();           // Constructor
    ~CSimpleApp();          // Destructor
    
    // IUnknown Interfaces    
    STDMETHODIMP QueryInterface(REFIID riid, LPVOID FAR* ppvObj); 
    STDMETHODIMP_(ULONG) AddRef();
    STDMETHODIMP_(ULONG) Release(); 

    // Initialization methods
    
    BOOL fInitApplication (HANDLE hInstance);
    BOOL fInitInstance (HANDLE hInstance, int nCmdShow);
    
    // Message handling methods
    
    LRESULT lCommandHandler (HWND hWnd,UINT message,WPARAM wParam,LPARAM lParam);
    long lSizeHandler (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
    long lCreateDoc (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
    BOOL HandleAccelerators (LPMSG lpMsg);
    void PaintApp(HDC hDC);
    void DestroyDocs();
    void UpdateDragDropEffects(int iMenuPos, int iMenuCommand, DWORD dwEffect,
        DWORD *pdwEffectToUpdate);
};

#endif  // _APP_H_