internal static SolidEdgeDocument FromIStorage(IStorage storage)
{
if (storage == null)
{
throw new ArgumentNullException("storage");
}
SolidEdgeDocument document = null;
System.Runtime.InteropServices.ComTypes.STATSTG statstg = statstg = storage.GetStatistics();
// For now there is a 1 - 1 mapping.
Type[] types = System.Reflection.Assembly.GetExecutingAssembly().GetSolidEdgeDocumentTypes(statstg.clsid);
if (types.Length == 0)
{
Marshal.ThrowExceptionForHR(HRESULT.CO_E_CANTDETERMINECLASS);
}
else if (types.Length == 1)
{
document = InvokeConstructor(types[0], storage, statstg);
}
else // Future possibility for multiple types. i.e Guid.Empty
{
Marshal.ThrowExceptionForHR(HRESULT.CO_E_CANTDETERMINECLASS);
}
return(document);
}
public static DocumentStatus GetStatus(string path)
{
using (SolidEdgeDocument document = SolidEdgeDocument.Open(path))
{
return(document.Status);
}
}
public new static SolidEdgeDocument Open(string path)
{
SolidEdgeDocument document = null;
IStorage storage = null;
try
{
storage = CompoundFile.OpenStorage(path);
document = FromIStorage(storage);
}
catch
{
throw;
}
finally
{
if (document == null)
{
if (storage != null)
{
storage.FinalRelease();
}
}
}
return(document);
}
public static Version GetLastSavedVersion(string path)
{
using (SolidEdgeDocument document = SolidEdgeDocument.Open(path))
{
return(document.LastSavedVersion);
}
}
internal static T Open <T>(string path)
{
SolidEdgeDocument document = null;
bool flag = false;
try
{
document = Open(path);
return((T)Convert.ChangeType(document, typeof(T)));
}
catch
{
flag = true;
throw;
}
finally
{
if ((flag) && (document != null))
{
document.Close();
}
}
}
