4/18/2024 0 Comments Wpf treeview style examples![]() So how do we solve this? The solution comes with using polymorphism. You can play with commenting out the respective templates and re-running to see that sometimes you’ll get coaches and sometimes you’ll get players. What will Avalonia do? In fact it will do a “first come first serve” so only one of your two types will get picked up: either players or coaches. The new definitions for Player and Coach types are all good however we now have two Team data templates there. The Coach would have a Title property and a ProperName property for their full name and the Player will have a list of positions. One idea you may have is to have a second data structure named Coaches with a type Coach and change the Players data structure to have a new type called Players. For each player we want to list their positions and for each coach we want to have their title and to output their proper name in the UI. Let’s say that we want to look at the composition of the coaches and the players. ![]() Let’s say that we wanted to go into even more depth. That’s because, probably obviously when put that way, because there is no hierarchy.Īvalonia TreeView with two layers of hierarchy More Complex Hierarchy You notice that for teams that don’t have players listed there is no arrow indicating a lower hiearchy. ![]() The new XAML creates the following view, with the additional hierarchy for teams that have players.
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