title: TabControl always resized to the selected tab items?
body: <p>I have a WPF TabControl, containing two TabItems with different width and height. The weird thing is when I switch between the items, the size of the TabControl is resized to closely fit the selected tab items. For example, if I click the smaller TabITem, the TabControl becomes smaller and if I select the bigger one, it becomes bigger. </p>
  
  <p>I think this would look silly from user point of view, and this is not the case in normal tab GUI such as Windows properties. Is it possible to set the width and height to fit the largest item? I want to try avoid having to set a constant value</p>