What is the best way to code so that when clicking on one of a few dozen
cells that cell is toggled between blank and an check mark symbol?
I found a post that explains using TargetAddress in the sheet code but I
would need a separate routine for each cell that I want to react this way.
Seems like there might be a better way.
I want to put the check box in the cell rather than using the check box
control becuase I have set up extensive conditional formatting of the cells
based on whether there is a check mark or not.

Thanks in advance for any help.
ed