CPROPS.H

/*++ 
 
Copyright (c) 1996 Microsoft Corporation 
 
Module Name: 
 
    CProps.h 
 
Abstract: 
 
    Property Cache Object 
     
Author: 
 
Environment: 
 
    User mode 
 
Revision History : 
 
--*/ 
#ifndef _CPROPS_H_ 
#define _CPROPS_H_ 
 
 
typedef struct _property{ 
    WCHAR   szPropertyName[MAX_PATH]; 
    DWORD   dwFlags; 
    DWORD   dwNumValues;         
    DWORD   dwSyntaxId;          
    PSampleDSOBJECT pSampleDSObject;      // Pointer to the SampleDS Object 
}PROPERTY, *PPROPERTY; 
 
#define PROPERTY_NAME(pProperty)            pProperty->szPropertyName 
#define PROPERTY_VALUES(pProperty)          pProperty->lpValues 
#define PROPERTY_NUMVALUES(pProperty)       pProperty->dwNumValues 
#define PROPERTY_SYNTAX(pProperty)          pProperty->dwSyntaxId 
#define PROPERTY_SampleDSOBJECT(pProperty)  pProperty->pSampleDSObject 
#define PROPERTY_FLAGS(pProperty)           pProperty->dwFlags 
 
#define CACHE_PROPERTY_MODIFIED        0x1 
 
class CPropertyCache { 
 
public: 
 
    HRESULT 
    CPropertyCache:: 
    addproperty( 
        LPWSTR szPropertyName, 
        DWORD  dwSyntaxId, 
        DWORD  dwNumValues, 
        PSampleDSOBJECT pSampleDSObject 
        ); 
 
    HRESULT 
    CPropertyCache:: 
    updateproperty( 
        LPWSTR szPropertyName, 
        DWORD  dwSyntaxId, 
        DWORD  dwNumValues, 
        PSampleDSOBJECT pSampleDSObject, 
        BOOL fExplicit 
        ); 
 
    HRESULT 
    CPropertyCache:: 
    findproperty( 
        LPWSTR szPropertyName, 
        PDWORD pdwIndex 
        ); 
 
    HRESULT 
    CPropertyCache:: 
    getproperty( 
        LPWSTR szPropertyName, 
        PDWORD  pdwSyntaxId, 
        PDWORD  pdwNumValues, 
        PSampleDSOBJECT * ppSampleDSObject 
        ); 
 
    HRESULT 
    CPropertyCache:: 
    unboundgetproperty( 
        LPWSTR szPropertyName, 
        PDWORD  pdwSyntaxId, 
        PDWORD  pdwNumValues, 
        PSampleDSOBJECT * ppSampleDSObject 
        ); 
 
    HRESULT 
    CPropertyCache:: 
    putproperty( 
        LPWSTR szPropertyName, 
        DWORD  dwSyntaxId, 
        DWORD  dwNumValues, 
        PSampleDSOBJECT pSampleDSObject 
        ); 
 
    CPropertyCache:: 
    CPropertyCache(); 
 
    CPropertyCache:: 
    ~CPropertyCache(); 
 
    static 
    HRESULT 
    CPropertyCache:: 
    createpropertycache( 
        CCoreADsObject FAR * pCoreADsObject, 
        CPropertyCache FAR * FAR * ppPropertyCache 
        ); 
 
    HRESULT 
    CPropertyCache:: 
    unmarshallproperty( 
        LPWSTR szPropertyName, 
        LPBYTE lpValue, 
        DWORD  dwNumValues, 
        DWORD  dwSyntaxId, 
        BOOL fExplicit 
        ); 
 
    HRESULT 
    CPropertyCache:: 
    SampleDSUnMarshallProperties( 
        HANDLE hOperationData, 
        BOOL fExplicit 
        ); 
 
 
    HRESULT 
    CPropertyCache:: 
    marshallproperty( 
        LPSampleDS_ATTR_INFO pAttrInfo, 
        LPWSTR szPropertyName, 
        LPBYTE lpValues, 
        DWORD  dwNumValues, 
        DWORD  dwSyntaxId 
        ); 
 
    HRESULT 
    CPropertyCache:: 
    SampleDSMarshallProperties( 
       HANDLE hOperationData 
    ); 
 
 
 
protected: 
 
    DWORD _dwMaxProperties; 
 
 
    PPROPERTY _pProperties; 
    DWORD   _cb; 
 
    CCoreADsObject FAR * _pCoreADsObject; 
}; 
 
#endif