LINE.H

// Line.h : Declaration of the CLine 
 
#ifndef __LINE_H_ 
#define __LINE_H_ 
 
#include "resource.h"       // main symbols 
#define _ATL_DEBUG_QI 
#define _ATL_DEBUG_REFCOUNT 
#include <atlcom.h> 
#include <atlctl.h> 
#include <olectl.h> 
#include "IPersistStream.h" 
 
 
 
///////////////////////////////////////////////////////////////////////////// 
// CLine 
class /* ATL_NO_VTABLE */ CLine :  
public CComObjectRootEx<CComMultiThreadModel>, 
public CComCoClass<CLine, &CLSID_Line>, 
public IMyPersistStreamImpl<CLine>, 
public ISupportErrorInfo, 
public IDispatchImpl<ILine, &IID_ILine, &LIBID_GRAPHOBJLib> 
{ 
private: 
typedef struct { 
long x1, y1; 
long x2, y2; 
} LINEDATA; 
 
LINEDATA m_Line; 
 
public: 
CLine() 
{ 
} 
 
DECLARE_REGISTRY_RESOURCEID(IDR_LINE) 
DECLARE_NOT_AGGREGATABLE(CLine) 
 
BEGIN_COM_MAP(CLine) 
COM_INTERFACE_ENTRY(ILine) 
COM_INTERFACE_ENTRY(IDispatch) 
COM_INTERFACE_ENTRY(ISupportErrorInfo) 
COM_INTERFACE_ENTRY_IMPL_IID(IID_IPersistStream, IMyPersistStream) 
// COM_INTERFACE_ENTRY_IMPL(IPersistStreamInit) 
END_COM_MAP() 
 
// IMyPersistStream 
BOOLm_bRequiresSave; 
STDMETHOD(IMyPersistStreamImpl_Load)(LPSTREAM pStm); 
STDMETHOD(IMyPersistStreamImpl_Save)(LPSTREAM pStm, BOOL fClearDirty); 
STDMETHOD(IMyPersistStreamImpl_GetSizeMax)(ULARGE_INTEGER FAR* pcbSize); 
 
// ISupportsErrorInfo 
STDMETHOD(InterfaceSupportsErrorInfo)(REFIID riid); 
 
// ILine 
public: 
STDMETHOD(get_y2)(/*[out, retval]*/ long *pVal); 
STDMETHOD(put_y2)(/*[in]*/ long newVal); 
STDMETHOD(get_x2)(/*[out, retval]*/ long *pVal); 
STDMETHOD(put_x2)(/*[in]*/ long newVal); 
STDMETHOD(get_y1)(/*[out, retval]*/ long *pVal); 
STDMETHOD(put_y1)(/*[in]*/ long newVal); 
STDMETHOD(get_x1)(/*[out, retval]*/ long *pVal); 
STDMETHOD(put_x1)(/*[in]*/ long newVal); 
}; 
 
#endif //__LINE_H_