>Thanks, Nadya...
>
>That's what I want to do... The memo field will hold a lot of extra data, which can't be displayed in a grid neatly... Therefore, I need to find a way to intercept the default behaviour when double-click on memo field of a grid to pop up a window to display its content...
>
>And instead having a "memo" displayed in a grid's column, I would like to have displaying other "instructions" e.g. "Click here for details"
>
>
>Anyway, thanks

You can put a button in the column (or leave it as a text, doesn't matter). In its DblClick event you would put Modify memo myTable.MyMemoField.