Hi, I'm trying to override the default drag&drop behavior of assets from the project pane into the scene view, so that I can snap them to a grid while they are being dragged. Think of it as drag&dropping prefab tiles unto a grid in a tile-based level editor. I've written a CustomEditor which intercepts the Drag events in the scene view, something like this (C#) : void OnSceneGUI() { if (Event.curr