private static void OnTextPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ComboChecked source = d as ComboChecked;
string value = (string)e.NewValue;
if (string.IsNullOrWhiteSpace(value) == true)
{
source.Text = source.DefaultText;
}
}
private static void OnItemsSourcePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ComboChecked source = d as ComboChecked;
source.SetText();
}