WPF: Bind Collection with Collection to a ListBox with groups

Question

sometimes WPF is too complex for me. I\'ve got my \"Window1\" holding a collection of \"Group\"s. \"Group\" is a class with a collection of \"Person\"s. In the end this should b

Answer 1

Well, I am not sure if this is what you want achieve but here is a way that you can try:

Assuming your classes are like these:

public class Group
{
    public string Name { get; set; }
    public List Contacts { get; set; }
}

public class Contact
{
    public string Name { get; set; }
    public bool IsOnline { get; set; }
}

You can set ListBox.ItemTemplate as another ListBox bind to Contacts property, like:

You have to style the inner listbox a little bit.

Edit: Another solution by using TreeView