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My first Unreal Engine 4 modification. Blueprint Lock Node feature
Am pretty excited today because I modified Engine source to add a feature I wanted. Its called Blueprint Lock Node feature. Basically what it does is, prevents the user from accidentally deleting any nodes. 
Toggles lock mode via context menu
And you will see a Notification saying node is locked…
…so you cant delete it
If you want to delete that node then simply click on Toggle Lock again
This feature works for multiple nodes too
Scaleform Door Lock UI
I made this Scaleform door lock ui inside Unreal Development Kit (Inspired from the game Dead Space). Here is the final result.
Watch in HD:
Download Project Files: Click Here
Unreal X-Editor 