private static void OnSetCommandParameterCallback(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ListView lv = d as ListView;
if (lv != null)
{
//Acquire behavior attached to the list view and set the command parameter
//The behavior class executes the command
ListViewSelectCommandBehavior behavior =
GetOrCreateBehavior(lv);
behavior.CommandParameter = e.NewValue;
}
}
private static ListViewSelectCommandBehavior GetOrCreateBehavior(ListView lv)
{
//First get the behavior, maybe it is already created
ListViewSelectCommandBehavior behavior =
lv.GetValue(SelectCommandBehaviorProperty) as ListViewSelectCommandBehavior;
if (behavior == null)
{
//if the behavior is not created then create one
behavior = new ListViewSelectCommandBehavior(lv);
lv.SetValue(SelectCommandBehaviorProperty, behavior);
}
//return the behavior
//Caller function sets the command or command parameter properties
return(behavior);
}