//
// Returns a copy of this property metadata by calling CreateInstance
// and then Merge
//
internal PropertyMetadata Copy(DependencyProperty dp)
{
PropertyMetadata newMetadata = CreateInstance();
newMetadata.InvokeMerge(this, dp);
return(newMetadata);
}
/// <summary>
/// After parameters have been validated for OverrideMetadata, this
/// method is called to actually update the data structures.
/// </summary>
private void ProcessOverrideMetadata(
Type forType,
PropertyMetadata typeMetadata,
DependencyObjectType dType,
PropertyMetadata baseMetadata)
{
// Store per-Type metadata for this property. Locks only on Write.
// Datastructure guaranteed to be valid for non-locking readers
lock (Synchronized)
{
if (DependencyProperty.UnsetValue == _metadataMap[dType.Id])
{
_metadataMap[dType.Id] = typeMetadata;
}
else
{
throw new ArgumentException(SR.Format(SR.TypeMetadataAlreadyRegistered, forType.Name));
}
}
// Merge base's metadata into this metadata
// CALLBACK
typeMetadata.InvokeMerge(baseMetadata, this);
// Type metadata may no longer change (calls OnApply)
typeMetadata.Seal(this, forType);
if (typeMetadata.IsInherited)
{
_packedData |= Flags.IsPotentiallyInherited;
}
if (typeMetadata.DefaultValueWasSet() && (typeMetadata.DefaultValue != DefaultMetadata.DefaultValue))
{
_packedData |= Flags.IsDefaultValueChanged;
}
if (typeMetadata.UsingDefaultValueFactory)
{
_packedData |= Flags.IsPotentiallyUsingDefaultValueFactory;
}
}
private void ProcessOverrideMetadata(Type forType, PropertyMetadata typeMetadata, DependencyObjectType dType, PropertyMetadata baseMetadata)
{
lock (Synchronized) {
if (UnsetValue != _metadataMap[dType.Id])
{
throw new ArgumentException(SR.Get("TypeMetadataAlreadyRegistered", forType.Name));
}
_metadataMap[dType.Id] = typeMetadata;
}
typeMetadata.InvokeMerge(baseMetadata, this);
typeMetadata.Seal(this, forType);
if (typeMetadata.IsInherited)
{
_packedData |= Flags.IsPotentiallyInherited;
}
if (typeMetadata.DefaultValueWasSet() && typeMetadata.DefaultValue != DefaultMetadata.DefaultValue)
{
_packedData |= Flags.IsDefaultValueChanged;
}
if (typeMetadata.UsingDefaultValueFactory)
{
_packedData |= Flags.IsPotentiallyUsingDefaultValueFactory;
}
}
/// <summary>
/// After parameters have been validated for OverrideMetadata, this
/// method is called to actually update the data structures.
/// </summary>
private void ProcessOverrideMetadata(
Type forType,
PropertyMetadata typeMetadata,
DependencyObjectType dType,
PropertyMetadata baseMetadata)
{
// Store per-Type metadata for this property. Locks only on Write.
// Datastructure guaranteed to be valid for non-locking readers
lock (Synchronized)
{
if (DependencyProperty.UnsetValue == _metadataMap[dType.Id])
{
_metadataMap[dType.Id] = typeMetadata;
}
else
{
throw new ArgumentException(SR.Get(SRID.TypeMetadataAlreadyRegistered, forType.Name));
}
}
// Merge base's metadata into this metadata
// CALLBACK
typeMetadata.InvokeMerge(baseMetadata, this);
// Type metadata may no longer change (calls OnApply)
typeMetadata.Seal(this, forType);
if (typeMetadata.IsInherited)
{
_packedData |= Flags.IsPotentiallyInherited;
}
if (typeMetadata.DefaultValueWasSet() && (typeMetadata.DefaultValue != DefaultMetadata.DefaultValue))
{
_packedData |= Flags.IsDefaultValueChanged;
}
if (typeMetadata.UsingDefaultValueFactory)
{
_packedData |= Flags.IsPotentiallyUsingDefaultValueFactory;
}
}
