protected override DependencyObject GetContainerForItemOverride()
{
ComboBoxItem cbi = new ComboBoxItem();
// Bind using the "Enabled" property on the Animal class
Binding enabledBinding = new Binding("IsEnabled");
enabledBinding.Mode = BindingMode.OneWay;
// Bind it to the IsEnabledProperty of the ComboBoxItem
cbi.SetBinding(ComboBoxItem.IsEnabledProperty, enabledBinding);
return cbi;
}
private void SetSelectedItem()
{
var selectedcbbItem = this.Items.FirstOrDefault(item =>
{
ComboBoxItem cbbItem = item as ComboBoxItem;
return cbbItem.DataContext == this.SelectedItem;
});
if (selectedcbbItem == null)
{
ComboBoxItem cbbItemHidden = new ComboBoxItem();
cbbItemHidden.Visibility = System.Windows.Visibility.Collapsed;
System.Windows.Data.Binding binding = new System.Windows.Data.Binding();
binding.Path = new PropertyPath(this.DisplayMemberPath);
cbbItemHidden.SetBinding(ComboBoxItem.ContentProperty, binding);
cbbItemHidden.DataContext = this.SelectedItem;
this.Items.Add(cbbItemHidden);
selectedcbbItem = cbbItemHidden;
}
base.SelectedItem = selectedcbbItem;
}
