>Or MouseOver - Mouseleave of the grid. I'm not sure. I do know that if you have a combo box with incremental search it is also affected by the BLCLICK.
>HTH
>sammie

Looks like now DblClick is not working <g> In other words, Init and Destroy would not work, I need to detect in MouseEnter if I'm over the Header and only then set _DBLCLICK property.