public SortFieldComparer(SortDescriptionCollection sortFields)
{
this._sortFields = sortFields;
this._fields = CreatePropertyInfo(this._sortFields);
}
private static SortPropertyInfo[] CreatePropertyInfo(SortDescriptionCollection sortFields)
{
SortPropertyInfo[] infoArray = new SortPropertyInfo[sortFields.Count];
for (int i = 0; i < sortFields.Count; i++)
{
SortDescription description = sortFields[i];
infoArray[i].PropertyPath = description.PropertyName;
SortDescription description2 = sortFields[i];
infoArray[i].Descending = description2.Direction == ListSortDirection.Descending;
}
return infoArray;
}
private void SetSortDescriptions(SortDescriptionCollection descriptions)
{
if (this._sortDescriptions != null)
{
this._sortDescriptions.CollectionChanged -= new NotifyCollectionChangedEventHandler(this.SortDescriptionsChanged);
}
this._sortDescriptions = descriptions;
if (this._sortDescriptions != null)
{
this._sortDescriptions.CollectionChanged += new NotifyCollectionChangedEventHandler(this.SortDescriptionsChanged);
}
}