private void AddPattern()
{
if (Patterns == null)
{
Patterns = new ObservableCollection <DependencyPattern>();
}
else
{
Patterns.Add(DependencyPattern.Create());
}
}
private static void PatternsListAdd(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var uc = d as DependencyPatternsUserControl;
if (uc == null)
{
return;
}
var firstItem = (e.NewValue as ObservableCollection <DependencyPattern>)?.FirstOrDefault();
if (firstItem == null && e.NewValue != null)
{
firstItem = DependencyPattern.Create();
{
uc.Patterns.Add(firstItem);
uc.SelectedPattern = firstItem;
}
}
else
{
uc.SelectedPattern = firstItem;
}
}
