public void UnregisterName(string name)
{
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
if (name.Length == 0)
{
throw new ArgumentException(SR.Get(SRID.NameScopeNameNotEmptyString));
}
if (_underlyingNameScope != null)
{
_underlyingNameScope.UnregisterName(name);
_names.Remove(name);
}
else
{
if (_nameMap != null && _nameMap[name] != null)
{
_nameMap.Remove(name);
}
else
{
throw new ArgumentException(SR.Get(SRID.NameScopeNameNotFound, name));
}
}
}
void INameScope.UnregisterName(string name)
{
INameScope scope = GetNameScope();
if (null != scope)
{
scope.UnregisterName(name);
}
}
void INameScope.UnregisterName(string name)
{
INameScope namescope = GetNameScope();
if (namescope == null)
{
throw new InvalidOperationException("this element is not in a namescope");
}
namescope.UnregisterName(name);
}
/// <summary>
/// Unregisters the name - element combination from the
/// NameScope that the current element belongs to.
/// </summary>
/// <param name="name">Name of the element</param>
public void UnregisterName(string name)
{
INameScope nameScope = FrameworkElement.FindScope(this);
if (nameScope != null)
{
nameScope.UnregisterName(name);
}
else
{
throw new InvalidOperationException(SR.Get(SRID.NameScopeNotFound, name, "unregister"));
}
}
public override void UpdateProperty(IInstanceBuilderContext context, ViewNode viewNode, IProperty propertyKey, DocumentNode valueNode)
{
string instance;
string str;
IPropertyId shadowProperty;
ReferenceStep referenceStep = propertyKey as ReferenceStep;
ViewNode item = viewNode.Properties[propertyKey];
if (item != null && DocumentNodeUtilities.IsBinding(item.DocumentNode) && referenceStep != null)
{
ReferenceStep referenceStep1 = referenceStep;
if (context.UseShadowProperties)
{
shadowProperty = DesignTimeProperties.GetShadowProperty(propertyKey, viewNode.DocumentNode.Type);
}
else
{
shadowProperty = null;
}
IPropertyId propertyId = shadowProperty;
if (propertyId != null && DesignTimeProperties.UseShadowPropertyForInstanceBuilding(context.DocumentContext.TypeResolver, propertyId))
{
referenceStep1 = propertyId as ReferenceStep;
}
if (referenceStep1 != null)
{
IInstantiatedElementViewNode instantiatedElementViewNode = viewNode as IInstantiatedElementViewNode;
if (instantiatedElementViewNode == null)
{
referenceStep1.ClearValue(viewNode.Instance);
}
else
{
foreach (object instantiatedElement in instantiatedElementViewNode.InstantiatedElements)
{
referenceStep1.ClearValue(instantiatedElement);
}
}
}
}
if (propertyKey.DeclaringType.Metadata.IsNameProperty(propertyKey) && InstanceBuilderOperations.GetIsInlinedResourceWithoutNamescope(viewNode))
{
InstanceBuilderOperations.UpdatePropertyWithoutApply(context, viewNode, propertyKey, valueNode);
return;
}
INameScope nameScope = context.NameScope;
bool flag = (nameScope == null ? false : propertyKey.DeclaringType.Metadata.IsNameProperty(propertyKey));
if (flag)
{
ViewNode item1 = viewNode.Properties[propertyKey];
if (item1 != null)
{
str = item1.Instance as string;
}
else
{
str = null;
}
string str1 = str;
if (!string.IsNullOrEmpty(str1) && nameScope.FindName(str1) != null)
{
context.NameScope.UnregisterName(str1);
}
}
if ((!context.IsSerializationScope || !(propertyKey is Event)) && (context.IsSerializationScope || !DesignTimeProperties.IsDocumentOnlyDesignTimeProperty(propertyKey)))
{
base.UpdateProperty(context, viewNode, propertyKey, valueNode);
}
else
{
InstanceBuilderOperations.UpdatePropertyWithoutApply(context, viewNode, propertyKey, valueNode);
}
if (flag)
{
ViewNode viewNode1 = viewNode.Properties[propertyKey];
if (viewNode1 != null)
{
instance = viewNode1.Instance as string;
}
else
{
instance = null;
}
string str2 = instance;
if (!string.IsNullOrEmpty(str2))
{
try
{
if (!str2.StartsWith("~", StringComparison.Ordinal) && !str2.Contains("."))
{
if (nameScope.FindName(str2) != null)
{
nameScope.UnregisterName(str2);
}
nameScope.RegisterName(str2, viewNode.Instance);
}
}
catch (ArgumentException argumentException1)
{
ArgumentException argumentException = argumentException1;
ViewNodeManager viewNodeManager = viewNode1.ViewNodeManager;
CultureInfo currentCulture = CultureInfo.CurrentCulture;
string instanceBuilderUnableToRegisterName = ExceptionStringTable.InstanceBuilderUnableToRegisterName;
object[] objArray = new object[] { str2 };
viewNodeManager.OnException(viewNode1, new InstanceBuilderException(string.Format(currentCulture, instanceBuilderUnableToRegisterName, objArray), argumentException, viewNode1.DocumentNode, viewNode), false);
}
}
}
}
public void UnregisterName(string name)
{
_scope.UnregisterName(name);
}