How to save in vsd format?

[JleruOHeP]

Can you tell me, how can I save diagramm in vsd format (not vsdx) using visio 2013 in c# code?
I am trying something like

Code

visioControl1.Document.SaveAs(filename);

But it works only if filename have vsdx extension...

[IRDC]

That's very strange. I just saved a vsd file via code like this: Document.SaveAs("C:\\a.vsd");

[JleruOHeP]

Checked once more time. Actually, it saves file with correct format (vsd) and name, but it also throws file not found. I`ve tried to save that file to "C:\1\a.vsd" but nothing changed.
I will try to swallow that exception, but it is not very good solution...

[JleruOHeP]

Another observation.
If I save new file with

Code

try
{
    visioControl1.Document.SaveAs(***.vsd)
} catch {}

and then try to set visioControl.Src to any value - it throws another exception - HRESULT FAIL with code 80004005. Without saving it works fine...
What should I try?

[Paul Herber]

In Visio 2013 there is a setting that stops old file versions (i.e. .vsd) being read. Is this the reason?

[JleruOHeP]

No, I dont think so. As if I open old version file first then there is no errors.
The error appears only if I save new file (and when I save that file) and try to open existing one.