protected virtual void OnIsExpandedChanged(bool oldValue, bool newValue)
{
if (newValue && Properties.Count == 0 && (this.ChildrenDefinitions != null))
{
IEnumerable <PropertyItem> children = this.ChildrenDefinitions
.Select(
(def) =>
{
PropertyItem subProperty = PropertyGridUtilities.CreatePropertyItem(def);
subProperty.Level = Level + 1;
return(subProperty);
});
Properties.Update(children, false, null);
}
}
private List <PropertyItem> GeneratePropertyItems(object instance)
{
var propertyItems = new List <PropertyItem>();
if (instance != null)
{
try
{
PropertyDescriptorCollection descriptors = PropertyGridUtilities.GetPropertyDescriptors(instance);
if (!AutoGenerateProperties)
{
List <PropertyDescriptor> specificProperties = new List <PropertyDescriptor>();
if (PropertyDefinitions != null)
{
foreach (PropertyDefinition pd in PropertyDefinitions)
{
foreach (PropertyDescriptor descriptor in descriptors)
{
if (descriptor.Name == pd.Name)
{
specificProperties.Add(descriptor);
break;
}
}
}
}
descriptors = new PropertyDescriptorCollection(specificProperties.ToArray());
}
foreach (PropertyDescriptor descriptor in descriptors)
{
if (descriptor.IsBrowsable)
{
propertyItems.Add(PropertyGridUtilities.CreatePropertyItem(descriptor, this));
}
}
}
catch (Exception)
{
//TODO: handle this some how
}
}
return(propertyItems);
}