private void callback_Callback(object source, CallbackEventArgs e)
{
String[] p = e.Parameter.Split('|');
Object key = TypeDescriptor.GetConverter(ObjectTypeInfo.KeyMember.MemberType).ConvertFromString(p[0]);
IMemberInfo member = ObjectTypeInfo.FindMember(p[1]);
Object value = null;
if (typeof(IXPSimpleObject).IsAssignableFrom(member.MemberType))
{
Type memberKeyType = XafTypesInfo.Instance.FindTypeInfo(member.MemberType).KeyMember.MemberType;
int index1 = p[2].LastIndexOf("(", StringComparison.Ordinal);
int index2 = p[2].LastIndexOf(")", StringComparison.Ordinal);
if (index1 > 0 && index2 > index1)
{
string memberKeyText = p[2].Substring(index1 + 1, index2 - index1 - 1);
value = ObjectSpace.GetObjectByKey(member.MemberType,
Convert.ChangeType(memberKeyText, memberKeyType));
}
}
else
{
value = TypeDescriptor.GetConverter(member.MemberType).ConvertFromString(p[2]);
}
object obj = ObjectSpace.GetObjectByKey(ObjectTypeInfo.Type, key);
member.SetValue(obj, value);
ObjectSpace.CommitChanges();
}
string GetDisplayText(IPictureItem pictureItem)
{
string text = Model.Columns.GetVisibleColumns().Aggregate("", (current, modelColumn) => current + (ObjectTypeInfo.FindMember(modelColumn.PropertyName).GetValue(pictureItem) + "<br>"));
return(text.TrimEnd("<br>".ToCharArray()));
}