>I had not worked with drag & drop before but working with the sample code in VFP and a few other sources I found it simple to add the needed code to drag & drop a container anywhere on a form.
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>Now I need to drag & drop between containers on the same form and I'm kinda lost. How do I get the object being moved from one container to end up in another container on the same form? It moves within the original container ok, it just won't move out of it to the form or to the other container.

You can drag control from one container to another, just make DragMode=1. To 'move' control' on drop point you will have to actually remove the dragged control (in source container) and add new control with identical properties to target container.