IMGUI Support

Use the IMGUIContainer to place IMGUI code inside of a VisualElement. Everything you can do inside of OnGUI() is supported.

You can arrange multiple IMGUIContainer and lay them out by mixing GUILayout and UI(User Interface) Allows a user to interact with your application. More info
See in Glossary Toolkit layouts. Note that it’s not possible to add VisualElement instances inside of an IMGUIContainer.