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