>It is possible to select multiple TextBoxes and modify the font size or whatever for all of the selected TextBoxes.
>
>Is it possible to do it for elements contained in a grid ?
>
>I mean can I select multiple column headers and modify all the properties for the selected headers like it can be done for TextBoxes ?

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Yes and no. No because you can't select multipl controls in a grid. Yes, you can select the grid and use a small prg to do the process (select grid in form - go to Command window and run like SetHeaderFonts("1,3,5","Times New Roman",14)) :

*SetHeaderFonts.prg
lparameters tcColumnNumberList, tcFontName, tnFontSize
aselobj(aGrid)
with aGrid[1]
 for ix = 1 to .Columncount
   if inlist(ix, &tcColumnNumberList)
      with .Columns(ix).Header1
         .FontName = tcFontName
         .FontSize = tnFontSize
      endwith
   endif
 endfor
endwith

Also you could use setall too if don't want to be selective (ie:in command window):
aselobj(aGrid)
aGrid[1].Setall("Fontname","Wingdings","Header")
Cetin