コード例 #1
0
        internal static PropertySet FromIPropertyStorage(IPropertyStorage propertyStorage)
        {
            if (propertyStorage == null)
            {
                throw new ArgumentNullException("propertyStorage");
            }

            HRESULT        hr          = HRESULT.E_FAIL;
            PropertySet    propertySet = null;
            STATPROPSETSTG stat;

            propertyStorage.Stat(out stat);

            IEnumSTATPROPSTG enumerator = null;

            List <Property> properties = new List <Property>();

            try
            {
                if (NativeMethods.Succeeded(hr = propertyStorage.Enum(out enumerator)))
                {
                    STATPROPSTG[] sps     = new STATPROPSTG[] { default(STATPROPSTG) };
                    uint          fetched = 0;

                    while ((enumerator.Next(1, sps, out fetched) == HRESULT.S_OK) && (fetched == 1))
                    {
                        string      name;
                        PROPVARIANT propvar = default(PROPVARIANT);

                        try
                        {
                            propertyStorage.GetPropertyName(sps[0].propid, out name);
                            sps[0].lpwstrName = name;
                            propertyStorage.GetProperty(sps[0].propid, out propvar);
                            properties.Add(new Property(sps[0], propvar.Value));
                        }
                        catch
                        {
                        }
                        finally
                        {
                            propvar.Clear();
                        }
                    }
                }
            }
            catch
            {
            }
            finally
            {
                if (enumerator != null)
                {
                    enumerator.FinalRelease();
                }
            }

            Type type = System.Reflection.Assembly.GetExecutingAssembly().GetPropertySetType(stat.fmtid);

            if (type == null)
            {
                // In this case, we did not find a strongly typed property set.
                type = typeof(PropertySet);
            }

            propertySet      = PropertySet.InvokeInternalConstructor(type, stat, properties.ToArray());
            propertySet.Name = type.GetPropertySetName();

            return(propertySet);
        }
コード例 #2
0
 internal Property(STATPROPSTG statpropstg, object value)
 {
     _statpropstg = statpropstg;
     _value       = value;
 }