/// <summary>
/// Implementation of Freezable.CloneCurrentValueCore()
/// </summary>
protected override void CloneCurrentValueCore(Freezable source)
{
base.CloneCurrentValueCore(source);
FreezableCollection <T> sourceFreezableCollection = (FreezableCollection <T>)source;
CloneCommon(sourceFreezableCollection, CloneCommonType.CloneCurrentValue);
}
/// <summary>
/// Implementation of Freezable.GetCurrentValueAsFrozenCore()
/// </summary>
protected override void GetCurrentValueAsFrozenCore(Freezable source)
{
base.GetCurrentValueAsFrozenCore(source);
FreezableCollection <T> sourceFreezableCollection = (FreezableCollection <T>)source;
CloneCommon(sourceFreezableCollection, CloneCommonType.GetCurrentValueAsFrozen);
}
public VisualStateGroup()
{
States = new FreezableCollection <VisualState>();
States.TrySetContextParent(this);
Transitions = new FreezableCollection <VisualTransition>();
Transitions.TrySetContextParent(this);
}
public VisualStateGroup()
{
States = new FreezableCollection <VisualState>();
States.SetInheritanceParent(this);
Transitions = new FreezableCollection <VisualTransition>();
Transitions.SetInheritanceParent(this);
}
internal Enumerator(FreezableCollection <T> list)
{
Debug.Assert(list != null, "list may not be null.");
_list = list;
_version = list._version;
_index = -1;
_current = default(T);
}
private void CloneCommon(FreezableCollection <T> source,
CloneCommonType cloneType)
{
int count = source._collection.Count;
_collection = new List <T>(count);
for (int i = 0; i < count; i++)
{
T newValue = source._collection[i];
Freezable itemAsFreezable = newValue as Freezable;
if (itemAsFreezable != null)
{
switch (cloneType)
{
case CloneCommonType.Clone:
newValue = itemAsFreezable.Clone() as T;
break;
case CloneCommonType.CloneCurrentValue:
newValue = itemAsFreezable.CloneCurrentValue() as T;
break;
case CloneCommonType.GetAsFrozen:
newValue = itemAsFreezable.GetAsFrozen() as T;
break;
case CloneCommonType.GetCurrentValueAsFrozen:
newValue = itemAsFreezable.GetCurrentValueAsFrozen() as T;
break;
default:
Invariant.Assert(false, "Invalid CloneCommonType encountered.");
break;
}
if (newValue == null)
{
throw new InvalidOperationException(SR.Get(SRID.Freezable_CloneInvalidType, typeof(T).Name));
}
}
OnFreezablePropertyChanged(/* oldValue = */ null, newValue);
_collection.Add(newValue);
}
}
public static void SetVisualStateGroups(DependencyObject obj, FreezableCollection <VisualStateGroup> value)
{
obj.SetValue(VisualStateGroupsProperty, value);
}
