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// TapiLine.h 
 
#ifndef __MSM_TAPILINE__ 
#define __MSM_TAPILINE__ 
 
// In VC5+ do this.. ok 
// To build  a TAPI 1.4 application put a define as below in your source 
// file before you include TAPI.H: 
// 
#define TAPI_CURRENT_VERSION 0x00010004 
 
#include  
 
// 
// User defined messages notified by TAPI for Logs maintenence 
// Capture them in to ur view class ok. 
// 
 
#define TAPI_LINECALLSTATE_CONNECTED WM_USER+5 
 
#define WM_TAPI_DIALING			WM_USER+10 
#define WM_TAPI_CONNECT			WM_TAPI_DIALING+1 
#define WM_TAPI_DISCONNECT		WM_TAPI_DIALING+2 
#define WM_TAPI_IDLE			WM_TAPI_DIALING+3	 
#define WM_TAPI_STATUS			WM_TAPI_DIALING+4 
#define WM_TAPI_CALL_PROCEEDING	WM_TAPI_DIALING+6 
#define WM_TAPI_CALL_ACCEPTED	WM_TAPI_DIALING+7 
#define WM_TAPI_LINE_REPLY		WM_TAPI_DIALING+8 
#define WM_TAPI_VOICE_SUPPORT	WM_TAPI_DIALING+9 
 
// All TAPI line functions return 0 for SUCCESS, so define it. 
#define SUCCESS 0 
#define ERRORS	-1 
 
 
// The TAPI versions 
#define TAPI_VERSION_1_0 0x00010003 
#define TAPI_VERSION_1_4 0x00010004 
#define TAPI_VERSION_2_0 0x00020000 
 
// TAPI versions that this sample is designed to use. 
#define WIN95TAPIVERSION		TAPI_VERSION_1_4 
#define EARLY_TAPI_VERSION		TAPI_VERSION_1_0 
 
 
///////////////////////////////////////////////////////////////////////////// 
// CTapiLine window 
 
class CTapiLine 
{ 
protected: 
	static CTapiLine* MyThis; 
	 
	HWND  m_hWnd; 
	HINSTANCE m_hInst; 
 
	// The params passed to call backs and are must... 
	DWORD m_dwDevice, m_dwMessage, m_dwCallbackInstance; 
    DWORD m_dwParam1, m_dwParam2, m_dwParam3; 
 
    HLINEAPP m_LineHandle;	//  tapi line handle 
    HCALL m_hCall;			//  call handle 
    HLINE m_hLine;			//  line handle  
	HANDLE m_hComm;			//	comm handle 
	DWORD m_dwLines;		//  count of available lines/devices 
	LINECALLPARAMS m_LineParams;	// need this structure 
	 
	int  m_nDevice; 
	long m_nPrivilege; 
	long m_nMediaMode; 
 
    DWORD m_dwAPIVersion;		// the API version 
    char m_szPhoneNumber[64];	// the phone number to call 
    char m_szMessage[128];		// Tapi reults 
 
// Construction 
public: 
	CTapiLine(); 
 
// Attributes 
public: 
 
// Operations 
protected: 
// Overrides 
	// protected virtual functions 
    virtual void TapiCallBack(); 
    virtual void HandleCallState(); 
 
protected: 
	void SetCallbackParams( 
						DWORD dwDevice, DWORD dwMsg,  
						DWORD dwCallbackInstance,  
						DWORD dwParam1, DWORD dwParam2,  
						DWORD dwParam3); 
	void Delay(UINT lFactor); 
	void SetVarProps(HWND hWnd, DWORD hDevice ); 
	LONG LineStateConnected(); 
 
public: 
// Overrides 
	// 
	// public virtual functions 
	// 
	virtual void Create(HWND& hWnd); 
	virtual LONG DialCall( LPTSTR PhoneNumber ); 
    virtual LONG HangupCall(); 
	 
// Implementation 
public: 
	virtual ~CTapiLine(); 
	void TapiStatus(LPSTR lpszError, BOOL bShowMsgBox=FALSE); 
	LPSTR GetTapiStatus() const 
	{ 
		return (LPSTR)m_szMessage; 
	} 
	// static functions 
    static void CALLBACK lineCallbackFunc( 
        DWORD dwDevice,DWORD dwMessage,DWORD dwCallbackInstance,  
        DWORD dwParam1,DWORD dwParam2, DWORD dwParam3); 
}; 
 
#endif // __MSM_TAPILINE__ 
 
/////////////////////////////////////////////////////////////////////////////