TableLayoutPanel and Drag and Drop

[hannibal smith]

I have thi TableLayoutPanel and 4 colored picturebox. In runtime user can drag each picturebox and drop on a cell of the tablelayoutpanel, so once dropped the picturebox should be docked to the cell. Something like second picture:

I tryed this library https://www.codeproject.com/Tips/178...rms-Controls-2 to make controls draggable, but I can't really drop them with it.
Any advice?