public void OverrideMetadata(Type forType, PropertyMetadata typeMetadata, DependencyPropertyKey key)
{
if (forType == null)
throw new ArgumentNullException("forType");
if (typeMetadata == null)
throw new ArgumentNullException("typeMetadata");
if (key == null)
throw new ArgumentNullException("key");
if (key.Property != this)
throw new InvalidOperationException("Readonly property key not authorized.");
OverrideMetadataCore(forType, typeMetadata);
}
public void SetValue(DependencyPropertyKey key, object value)
{
if (key == null)
throw new ArgumentNullException("key");
SetValueCore(key.Property, value);
}
public static DependencyPropertyKey RegisterReadOnly(string name, Type propertyType, Type ownerType, PropertyMetadata typeMetadata, ValidateValueCallback validateValueCallback)
{
DependencyProperty dp = Register(name, propertyType, ownerType, typeMetadata, validateValueCallback);
dp.ReadOnly = true;
DependencyPropertyKey key = new DependencyPropertyKey(dp);
return key;
}
public void ClearValue(DependencyPropertyKey key)
{
if (key == null)
throw new ArgumentNullException("key");
ClearValueCore(key.Property);
}
