ListFormWebPart: ViewFlag attribute. Or How to make a form default?

List Item Forms (*.aspx file). When uploading it to the list’s SP folder and only if there is ListFormWebPart control in the file, SP adds the file to the Forms collection for the list with the following characteristics:

FormType property:

4 – Display

6 – Edit

8 – New

For values see more detailed here:

http://msdn.microsoft.com/en-us/library/microsoft.sharepoint.pagetype.aspx

ViewFlag property – if absent then is not Default

((int)Microsoft.SharePoint.SPViewFlags.Default) == 1048576