private void SetChange(T value, TrackableSetOperation operation)
{
var hasChangedBefore = HasChange;
ChangeMap[value] = operation;
if (HasChangeSet != null && hasChangedBefore == false)
{
HasChangeSet(this);
}
}
public bool GetChange(T value, out TrackableSetOperation operation)
{
return(ChangeMap.TryGetValue(value, out operation));
}