How to make a dockable tab in game runtime.

HI:
we are developing a windows editor application.What I wanted was a let the dock tab can be loaded after game packaged.We have two problems.

1.UnrealEd module is in the editor target,When we package the game,It’s alaways failed.We can use it in plugin ,But can’t use it in packaged game.

2.How to put the gameview in to dock tab,Don‘’t use the OS default windows .

thanks.