ComboBox on worksheet linked to a cell

Hi there. This is my first posting. I have a worksheet, and I want to place a combobox in a cell, but being able to add values not on the corresponding list. Done almost everything, but cannot find a way to use the position of the cell, so I can dinamicly place a combobox. Ex.- place a combo in a cell, then after you get the value, delete the combo and put it in the cell bellow, etc. In order to do this I need the position of the cell: left, right, height, width. How can I get this information? Thank you

ty natefarm, tyvm.