Implementation of a tree structure in OSX - Step 4

Continuation of the tree structure implementation ..

First select Tree Controller object that we created and add these information as below.

Then select the outline view in the MainMenu.xlb then add these information as shown.

This shows that we are binding outline view to the tree controller using the commandName of the TreeNode. (You can refer to TreeNode.m )

After that  select Tree Controller object and create the connection to the AppDelegate class. (You need to press ctrl key when creating the connection). Selecct treeController from the menu.

After that connect Appdelegate class to the Tree Controller as below. Selecct treeController from the menu.

Finally you have completed the implementation.

Then Build and Run the project. (Press Command + R)
You will have this...

I believe that this will need to somebody in someday just  like once I needed this .....