в _3S.CoDeSys.Utilities.WeakMulticastDelegate.Invoke(Object[] args)
   в _3S.CoDeSys.ObjectManager.ObjectManager.OnProjectSaving(ProjectSavingEventArgs e)
   в _3S.CoDeSys.ObjectManager.ObjectManager.SaveProject(Int32 nProjectHandle, Stream stream, String stStreamName)
   в ..
(Stream )
   в ..
(
 )
   в ..()
   в _3S.CoDeSys.FileCommands.FileCommandHelper.RawProjectSave(IProject project, Profile profile, String stProfileName, Boolean bCheckDifferentProfile, Boolean checkSufficientLibraryInfo)
   в _3S.CoDeSys.FileCommands.FileCommandHelper.SaveProjectAs(String stPath, Profile profile, String stProfileName)

//Opening 
var fileOpenCommand = ComponentManager.Singleton.CreateInstance<ICommand>(new Guid("9D09E965-6254-46fd-9C21-B27FD2E97B52"));
fileOpenCommand.ExecuteBatch(new []{@"D:\Temp\Codesys\MyProject.project"});
//Do something
//Saving
var fileSaveAsCommand = cm.CreateInstance<ICommand>(new Guid("6D0D9CC5-67A2-46fd-9D29-FDFA326321E5"));
fileSaveAsCommand.ExecuteBatch(new string[1]{@"D:\TestSaveAs.project"}); // Exception here