// Methods
internal StatPropStgCollection(IPropertyStorage propertyStorage)
{
StatPropStg Stat;
IEnumSTATPROPSTG oEnum = propertyStorage.Enum();
Label_0024:
var fetched = 0;
if (oEnum.Next(1, out Stat, out fetched) == 0)
{
base.InnerList.Add(Stat);
goto Label_0024;
}
Marshal.ReleaseComObject(oEnum);
oEnum = null;
}
internal static IEnumerable <STATPROPSTG> AsEnumerable(this IPropertyStorage propertyStorage)
{
Assert.IsNotNull(propertyStorage);
IEnumSTATPROPSTG enumStatPropStg;
propertyStorage.Enum(out enumStatPropStg);
while (true)
{
var statPropStgArray = new STATPROPSTG[1];
uint fetched;
enumStatPropStg.Next(1, statPropStgArray, out fetched);
if (fetched == 0)
{
break;
}
yield return(statPropStgArray[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);
}
