How to check if a datafield does contain a picture (Bmp) or is empty?

When loading my form, I need to adjust the size of the picture to the size of the TdbImage on the form.
But when I try to do that on a empty datafield it gives an errormessage.

So I have to check if the datafield does contain a picture (Bmp) or is currently empty before calling the resize procedure?
How can I do that?

Thanks Stef
Stef MerlijnDeveloperAsked:
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Hi Stef,
I am doing this kind of verification before adjust the size:

  if (FormCatalog.DBImageItem.Picture.Width>0) then
    //  adjust the size of the picture ....

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Stef MerlijnDeveloperAuthor Commented:
Thank you Emil.
You are welcome Stef.
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