90 lines
1.8 KiB
C++
90 lines
1.8 KiB
C++
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#include "stdafx.h"
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#include "guidedb.h"
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#include "stdprop.h"
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IMetaPropertyType *CStdPropSet::GetMetaPropertyType(long id, const char *szName)
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{
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HRESULT hr;
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IMetaPropertyType *pproptype = NULL;
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if (m_ppropset == NULL)
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{
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hr = m_ppropsets->get_ItemWithName(m_bstrName, &m_ppropset);
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if (FAILED(hr))
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{
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hr = m_ppropsets->get_AddNew(m_bstrName, &m_ppropset);
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if (FAILED(hr))
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return NULL;
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}
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}
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CComPtr<IMetaPropertyTypes> pproptypes;
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hr = m_ppropset->get_MetaPropertyTypes(&pproptypes);
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if (FAILED(hr))
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return NULL;
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hr = pproptypes->get_ItemWithID(id, &pproptype);
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if (FAILED(hr))
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{
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_bstr_t bstr(szName);
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_variant_t varNil;
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hr = pproptypes->get_AddNew(id, bstr, &pproptype);
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if (FAILED(hr))
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return NULL;
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}
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return pproptype;
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};
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IMetaProperty *CStdPropSet::GetMetaProperty(IUnknown *pobj, IMetaPropertyType *pproptype, long lang)
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{
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HRESULT hr;
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CComPtr<IMetaProperties> pprops;
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CComPtr<CGuideDB> pdb;
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hr = GetDB(&pdb);
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if (FAILED(hr))
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return NULL;
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hr = pdb->get_MetaPropertiesOf(pobj, &pprops);
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if (FAILED(hr))
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return NULL;
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CComPtr<IMetaProperty> pprop;
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hr = pprops->get_ItemWith(pproptype, lang, &pprop);
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if (FAILED(hr))
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{
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_variant_t varNil;
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hr = pprops->get_AddNew(pproptype, lang, varNil, &pprop);
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if (FAILED(hr))
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return NULL;
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}
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return pprop.Detach();
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}
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HRESULT CStdPropSet::GetMetaPropertyValue(IUnknown *pobj, IMetaPropertyType *pproptype, VARIANT *pvarValue)
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{
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CComPtr<IMetaProperty> pprop = GetMetaProperty(pobj, pproptype);
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if (pprop == NULL)
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return E_INVALIDARG;
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return pprop->get_Value(pvarValue);
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}
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HRESULT CStdPropSet::PutMetaPropertyValue(IUnknown *pobj, IMetaPropertyType *pproptype, VARIANT varValue)
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{
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CComPtr<IMetaProperty> pprop = GetMetaProperty(pobj, pproptype);
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if (pprop == NULL)
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return E_INVALIDARG;
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return pprop->put_Value(varValue);
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}
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