Implementing drag and drop lets ... error-handling code. If you want to cut and paste, refer to DnDJTree.java in the source code zip in Resources for a more production-worthy example.

Claiming an industry first, Userware announced a drag-and-drop XAML designer for use in Visual Studio Code, coming with OpenSilver 3.1 ... a browser plug-in primarily used to create Rich Internet ...

You can code things yourself and hurt your brain on React Native or you can use a drag-and-drop editor ... more akin to Visual Studio. The system outputs Objective C for iOS and Java for Android.