Fill all available space in ItemsComtrol with same width size of elements

Question

I have an ItemsControl, the ItemsPanel is made by a DockPanel.

Inside of the DockPanel, I can have one, two, or three buttons. The problem arises from the width of t

Answer 1

A UniformGrid with a single row will do what you want:

Example:

    
        
            
        
        
            
            
        
    

    
        Foo
    

    
        Foo
        Bar
    

    
        Foo
        Bar
        Baz