[Lazarus] TMemDataset.Filename property in Lazarus
Michael Van Canneyt
michael at freepascal.org
Mon Oct 9 10:11:53 CEST 2017
On Sun, 8 Oct 2017, Graeme Geldenhuys via Lazarus wrote:
> Playing around with TMemDataset, I dropped it on a form, then clicked
> "..." button of the FileName property in the Object Inspector. The file
> dialog shows that I can select ANY file, so I selected a PNG file and
> set Active = True. ;-) NO surprise, that didn't work as expected.
> Incorrect data stream.
> Clearly the TMemDataset expects a specific file format, so why doesn't
> the File Open dialog list the file type and file extension that is expected.
Because there is no designated extension.
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