public static TransferFunction1DBuilder CreateTestBuilder()
{
var b = new TransferFunction1DBuilder();
b.Items.Add(new TransferFunction1DItem(0, Colors.Black));
b.Items.Add(new TransferFunction1DItem(1000, Colors.White));
return b;
}
private void OnDataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
{
if (e.OldValue != null)
{
var b = (TransferFunction1DBuilder)e.OldValue;
b.Items.CollectionChanged -= Items_CollectionChanged;
b.PropertyChanged -= Vm_PropertyChanged;
builder = null;
}
if (e.NewValue != null)
{
var b = (TransferFunction1DBuilder)e.NewValue;
b.Items.CollectionChanged += Items_CollectionChanged;
b.PropertyChanged += Vm_PropertyChanged;
builder = b;
Items_CollectionChanged(null, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, b.Items));
UpdateAll();
}
}
