so, ich habs jetzt so gemacht
Danke für euren Rat
Delphi-Quellcode:
procedure TForm1.Button1Click(Sender: TObject);
var
Image : TImage;
begin
if OpenPictureDialog1.Execute then
begin
edit_Firmenlogo.text := OpenPictureDialog1.FileName;
Image := TImage.create(nil);
Image.Picture.LoadFromFile(edit_Firmenlogo.text);
ShowMessage(IntToStr(image.Picture.Height));
ShowMessage(IntToStr(image.Picture.Width));
end;
end;