public static DependencyProperty RegisterAttached(string name, Type propertyType, Type ownerType, PropertyMetadata defaultMetadata, ValidateValueCallback validateValueCallback)
{
ValidateRegisterParameters(name, propertyType, ownerType);
var dp = new DependencyProperty(true, name, propertyType, ownerType, defaultMetadata, validateValueCallback);
DependencyObject.Register(ownerType, dp);
return(dp);
}
public static DependencyProperty Register(string name, Type propertyType, Type ownerType, PropertyMetadata typeMetadata, ValidateValueCallback validateValueCallback)
{
ValidateRegisterParameters(name, propertyType, ownerType);
var dp = new DependencyProperty(false, name, propertyType, ownerType, typeMetadata, validateValueCallback);
DependencyObject.Register(ownerType, dp);
// is this needed?
//dp.OverrideMetadata(ownerType, typeMetadata);
return(dp);
}
public DependencyProperty AddOwner(Type ownerType, PropertyMetadata typeMetadata)
{
DependencyObject.Register(ownerType, this);
if (typeMetadata == null)
{
typeMetadata = new PropertyMetadata();
}
OverrideMetadata(ownerType, typeMetadata);
// MS seems to always return the same DependencyProperty
return(this);
}