Unity UI component which doesn't have drawing event at all. But still can receive click events. More optimized to have something invisible and clickable in Unity UI.
Add NonDrawingGraphic component to UI Game Object under Canvas in Unity Scene.
When you package is distributed, you can install it into any Unity project.
- Install OpenUPM-CLI
- Open command line in Unity project folder
- Execute the command
openupm add extensions.unity.nondrawinggraphic