public override PropertyDescriptorCollection GetProperties(ITypeDescriptorContext context, object value, Attribute[] attributes)
{
PropertyDescriptorCollection ps = base.GetProperties(context, value, attributes);
ICustomPropertyConverter s = value as ICustomPropertyConverter;
if (s == null)
{
throw new InvalidOperationException();
}
//keep given properties and add one for each key
PropertyDescriptor[] props = new PropertyDescriptor[ps.Count + s.GetKeys().Count];
int i = 0;
foreach (PropertyDescriptor p in ps)
{
props[i++] = p;
}
foreach (object key in s.GetKeys())
{
//create attributes for s
ArrayList attrs = new ArrayList();
attrs.Add(new DescriptionAttribute(s.DescriptionOf(key)));
attrs.Add(new ReadOnlyAttribute(s.IsReadOnly(key)));
attrs.Add(new CategoryAttribute(s.CategoryOf(key)));
attrs.Add(RefreshPropertiesAttribute.All);
string customEditor = s.CustomEditorOf(key);
if (customEditor != null)
{
attrs.Add(new EditorAttribute(customEditor, typeof(System.Drawing.Design.UITypeEditor)));
}
object v = s.ValueOf(key);
props[i++] = new KeyDescriptor(s.GetType(), key, s.DisplayNameOf(key), (v == null ? "":v).GetType(),
(Attribute[])attrs.ToArray(typeof(Attribute)),
s.IsDefaultExpanded(key));
}
PropertyDescriptorCollection res = new PropertyDescriptorCollection(props);
return(res);
}
public override object GetValue(object x)
{
ICustomPropertyConverter s = x as ICustomPropertyConverter;
return(s.ValueOf(key));
}
//private AttributeCollection attrs;
public override void SetValue(object x, object value)
{
ICustomPropertyConverter s = x as ICustomPropertyConverter;
s.SetValue(key, value);
}
