You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
85 lines
2.2 KiB
85 lines
2.2 KiB
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Copyright (c) 1997, Microsoft Corp. All rights reserved.
|
|
//
|
|
// FILE
|
|
//
|
|
// PropSet.h
|
|
//
|
|
// SYNOPSIS
|
|
//
|
|
// This file describes the class DBPropertySet.
|
|
//
|
|
// MODIFICATION HISTORY
|
|
//
|
|
// 10/30/1997 Original version.
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef _PROPSET_H_
|
|
#define _PROPSET_H_
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// CLASS
|
|
//
|
|
// DBPropertySet<N>
|
|
//
|
|
// DESCRIPTION
|
|
//
|
|
// This class provides a very basic wrapper around an OLE DB property set.
|
|
// The template parameter 'N' specifies the capacity of the set.
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
template <size_t N>
|
|
struct DBPropertySet : DBPROPSET
|
|
{
|
|
DBPropertySet(const GUID& guid)
|
|
{
|
|
guidPropertySet = guid;
|
|
cProperties = 0;
|
|
rgProperties = DBProperty;
|
|
}
|
|
|
|
~DBPropertySet()
|
|
{
|
|
for (size_t i = 0; i<cProperties; i++)
|
|
VariantClear(&DBProperty[i].vValue);
|
|
}
|
|
|
|
bool AddProperty(DWORD dwPropertyID, LPCWSTR szValue)
|
|
{
|
|
if (cProperties >= N) return false;
|
|
|
|
DBProperty[cProperties].dwPropertyID = dwPropertyID;
|
|
DBProperty[cProperties].dwOptions = DBPROPOPTIONS_REQUIRED;
|
|
DBProperty[cProperties].colid = DB_NULLID;
|
|
DBProperty[cProperties].vValue.vt = VT_BSTR;
|
|
DBProperty[cProperties].vValue.bstrVal = SysAllocString(szValue);
|
|
|
|
if (DBProperty[cProperties].vValue.bstrVal == NULL) return false;
|
|
|
|
cProperties++;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool AddProperty(DWORD dwPropertyID, long lValue)
|
|
{
|
|
if (cProperties >= N) return false;
|
|
|
|
DBProperty[cProperties].dwPropertyID = dwPropertyID;
|
|
DBProperty[cProperties].dwOptions = DBPROPOPTIONS_REQUIRED;
|
|
DBProperty[cProperties].colid = DB_NULLID;
|
|
DBProperty[cProperties].vValue.vt = VT_I4;
|
|
DBProperty[cProperties].vValue.lVal = lValue;
|
|
|
|
cProperties++;
|
|
|
|
return true;
|
|
}
|
|
|
|
DBPROP DBProperty[N];
|
|
};
|
|
|
|
#endif // _PROPSET_H_
|