I am trying to set the InitialDirectory to a sharepoint URL
SaveFileDialog saveDialog = new SaveFileDialog();
saveDialog.InitialDirectory = @"https://sharepoint.mycompany.com/documents/sale/0001/";
saveDialog.ShowDialog();
However I get the following error: You can't open this location using this program. Please try a different location.
However if I copy the web address into the top of the SaveFileDialog and press return, it opens the directory as expected.