>>Mike, it works great for resizing, but not for moving columns. Do you have an idea, how to detect moving from Column.Header?
>
>There's a couple of ways, record the columns ColumnOrder in teh MouseDown and see if its changed in the Click. Or in the columns Moved() event flag somehow that the column has just moved.

Thanks, Mike. I incorporated David's code into my header class and now everything works great.