public object this[string name]
{
get
{
return(this.fields[name]);
}
set
{
if (value != null && !(value is DBNull))
{
MapCore mapCore = this.GetMapCore();
if (mapCore != null)
{
Field field = (Field)mapCore.GroupFields.GetByName(name);
if (field == null)
{
throw new ArgumentException(SR.ExceptionFieldNameDoesNotExist(name));
}
if (!field.Type.IsInstanceOfType(value) && field.Type != Field.ConvertToSupportedType(value.GetType()))
{
throw new ArgumentException(SR.ExceptionFieldMustBeOfType(name, field.Type.ToString()));
}
field.SetValue(Field.ConvertToSupportedValue(value), this.fields);
mapCore.InvalidateRules();
mapCore.InvalidateDataBinding();
}
else
{
this.fields[name] = Field.ConvertToSupportedValue(value);
}
this.InvalidateViewport();
}
}
}
public NamedElement GetItemById(object itemID)
{
NamedElement namedElement = null;
if (itemID is string)
{
namedElement = this.items.GetByName((string)itemID);
}
if (namedElement == null)
{
object key = Field.ConvertToSupportedValue(itemID);
StringEnumerator enumerator = this.fieldNames.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
string current = enumerator.Current;
Hashtable itemsByFiledName = this.GetItemsByFiledName(current);
namedElement = (itemsByFiledName[key] as NamedElement);
if (namedElement != null)
{
break;
}
}
}
finally
{
IDisposable disposable = enumerator as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
}
if (namedElement == null && this.createNewItemForUnresoved)
{
namedElement = (NamedElement)Activator.CreateInstance(this.newItemsType);
if (namedElement != null)
{
if (itemID is string)
{
namedElement.Name = (string)itemID;
}
else
{
object obj = Field.ConvertToSupportedValue(itemID);
StringEnumerator enumerator2 = this.fieldNames.GetEnumerator();
try
{
while (enumerator2.MoveNext())
{
string current2 = enumerator2.Current;
if (this.fields[current2].Type == obj.GetType())
{
this.SetFieldValue(namedElement, current2, obj);
break;
}
}
}
finally
{
IDisposable disposable2 = enumerator2 as IDisposable;
if (disposable2 != null)
{
disposable2.Dispose();
}
}
}
this.AddItem(namedElement);
}
}
return(namedElement);
}