it seems that left middle right all three buttons will trigger OnDrop, but it is really a basic need to cancel drag and the right mouse button seems the perfect solution.
Wrong forum category mate.
Delete this thread and post over here instead:
https://forums.unrealengine.com/categories?tag=unreal-engine
Either âGetting Startedâ or the Blueprint section in âProgramming & Scriptingâ should suffice.
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