> When I used Image ,
>
> Image1.Picture.LoadFormStream(Tstream);
> or
> Image1.Picture.LoadFormFile(Filename) ;
>
> How I can to know type of Picture in Image ( *.bmp, *.jpg,
> *.gif ,*.tif ,etc..)
> PS. Don't check File Extention!
>
> I'm sorry my English very poor

I think the TPicture class will interrogate the stream somehow and make a
determination as to what type it is. I'm not an expert in this area. May I
suggest that you try one of the Borland newsgroups dedicated to questions
like this?

Regards,
Jason Wharton
CPS - Mesa AZ
http://www.ibobjects.com