private static XamDataTreeCommandBehavior GetOrCreateCommandBehavior(XamDataTree menuItem)
{
if (!(menuItem.GetValue(SelectedCommandBehaviorProperty) is XamDataTreeCommandBehavior behavior))
{
behavior = new XamDataTreeCommandBehavior(menuItem);
menuItem.SetValue(SelectedCommandBehaviorProperty, behavior);
}
return(behavior);
}
private static XamDataTreeNodeUnselectedCommandBehavior GetOrCreateBehavior(XamDataTree tree)
{
XamDataTreeNodeUnselectedCommandBehavior behavior = tree.GetValue(DataItemUnselectedProperty) as XamDataTreeNodeUnselectedCommandBehavior;
if (behavior == null)
{
behavior = new XamDataTreeNodeUnselectedCommandBehavior(tree);
tree.SetValue(DataItemUnselectedProperty, behavior);
}
return(behavior);
}
private static XamDataTreeNodeActivatedCommandBehavior GetOrCreateBehavior(XamDataTree menuItem)
{
XamDataTreeNodeActivatedCommandBehavior behavior = menuItem.GetValue(SelectedCommandBehaviorProperty) as XamDataTreeNodeActivatedCommandBehavior;
if (behavior == null)
{
behavior = new XamDataTreeNodeActivatedCommandBehavior(menuItem);
menuItem.SetValue(SelectedCommandBehaviorProperty, behavior);
}
return(behavior);
}
public static void SetDefaultSelectedDataItem(XamDataTree tree, object value)
{
tree.SetValue(DefaultSelectedDataItemProperty, value);
}
public static void SetCommandProperty(XamDataTree menuItem, object parameter)
{
menuItem.SetValue(CommandParameterProperty, parameter);
}
public static void SetCommand(XamDataTree menuItem, ICommand command)
{
menuItem.SetValue(CommandProperty, command);
}
public static void SetCommandParameter(XamDataTree tree, object parameter)
{
tree.SetValue(CommandParameterProperty, parameter);
}