Hi Jonathan,

.Download this file.

MartinJ
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VCX library headttt.vcx contains two classes:
_tmrTipHeader - Timer for setting Tooltip over object Header
_shpTipHeader - Shape for setting display tooltip

Exemplary form is run over main.prg.
Library coup load into memery.
In form put timer (_tmrTipHeader) and redefine his method SetToolTip().
This method get parameter as reference column under mouse pointer.

Attention:
At from deactivate is urgent timer disable a at activate form enable again. The same is needed for page of pageframe.

>Thanks for that Sergey.
>
>It worked. However, since I wanted to add tooltiptext only to headers, I found a much easier and straight forward trick to do that. I have just created a few command buttons which look exactly like the headers and placed them over the grid headers with the right tooltiptext and caption.
>
>It was fun to cheat the system!
>
>Thanks again
>
>Jonathan