SYNTHPRP.H

//==========================================================================; 
// 
//  THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY 
//  KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE 
//  IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR 
//  PURPOSE. 
// 
//  Copyright (c) 1992 - 1997  Microsoft Corporation.  All Rights Reserved. 
// 
//--------------------------------------------------------------------------; 
// 
//  synthprp.h 
// 
//  CSynthProperties 
 
class CSynthProperties : public CBasePropertyPage { 
 
public: 
 
    CSynthProperties(LPUNKNOWN lpUnk, HRESULT *phr); 
    static CUnknown * WINAPI CreateInstance(LPUNKNOWN lpunk, HRESULT *phr); 
 
    HRESULT OnConnect(IUnknown *pUnknown); 
    HRESULT OnDisconnect(); 
    HRESULT OnActivate(); 
    HRESULT OnDeactivate(); 
    HRESULT OnApplyChanges(); 
    BOOL OnReceiveMessage(HWND hwnd,UINT uMsg,WPARAM wParam,LPARAM lParam); 
 
private: 
 
    static BOOL CALLBACK DialogProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam); 
 
    void    InitPropertiesDialog(HWND hwndParent); 
    void    OnFreqSliderNotification(WPARAM wParam, WORD wPosition); 
    void    OnAmpSliderNotification(WPARAM wParam, WORD wPosition); 
    void    RecalcFreqSlider(void ); 
    void    SetDirty(void ); 
 
    HWND    m_hwndFreqSlider;           // handle of slider 
    HWND    m_hwndFreqText;             // Handle of frequency text window 
    HWND    m_hwndAmplitudeSlider;      // handle of slider 
    HWND    m_hwndAmplitudeText;        // Handle of amplitude text window 
 
    int     m_iWaveformOriginal;        // WAVE_SINE ... 
    int     m_iFrequencyOriginal;       // if not using sweep, this is the frequency 
    int     m_iBitsPerSampleOriginal;   // 8 or 16 
    int     m_iChannelsOriginal;        // 1 or 2 
    int     m_iSamplesPerSecOriginal;   // 8000, 11025, ... 
    int     m_iAmplitudeOriginal;       // 0 to 100 
    int     m_iSweepStart;              // Sweep range on freq slider 
    int     m_iSweepEnd; 
 
BOOLm_fWindowInActive;// TRUE ==> dialog is in the process of being destroyed 
 
    ISynth  *m_pSynth;                  // Interface to the synthsizer 
};