ConfigurationCollectionAttribute
Declaratively instructs the .NET Framework to create an instance of a configuration element collection. This class cannot be inherited.
namespace System.Configuration
{
[AttributeUsage(AttributeTargets.Class | AttributeTargets.Property)]
public sealed class ConfigurationCollectionAttribute : Attribute
{
private string _addItemName;
private string _clearItemsName;
private string _removeItemName;
public Type ItemType { get; }
public string AddItemName {
get {
return _addItemName ?? "add";
}
set {
if (string.IsNullOrEmpty(value))
value = null;
_addItemName = value;
}
}
public string RemoveItemName {
get {
return _removeItemName ?? "remove";
}
set {
if (string.IsNullOrEmpty(value))
value = null;
_removeItemName = value;
}
}
public string ClearItemsName {
get {
return _clearItemsName ?? "clear";
}
set {
if (string.IsNullOrEmpty(value))
value = null;
_clearItemsName = value;
}
}
public ConfigurationElementCollectionType CollectionType { get; set; } = ConfigurationElementCollectionType.AddRemoveClearMap;
public ConfigurationCollectionAttribute(Type itemType)
{
if (itemType == (Type)null)
throw new ArgumentNullException("itemType");
ItemType = itemType;
}
}
}