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exiting/closing programs without updating modification date and time stamp

Peter Martignacco
I am working with medical components and once we have a controlled test method we need to lock the program from any modification including updating date and time stamp. Quit still updates date and time in PC DMIS. When you exit in INSPECT does it update date and time stamp? Anyway, to do it in PC DMIS?
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  • I noticed this behavior with PC-DMIS. The problem is with PC-DMIS and not from the OS as suggested earlier.

    PC-DMIS programs are stored as an OLE2 file system. Basically this is a single file that contains its own file system. It is the same stuff used by older versions of MS Office (doc, xls, ...) and probably many other programs that use this storage system. If you open a PC-DMIS program using an OLE2 file viewer you will see something like this for the file system: 
    Root
├── CADPREVIEWIMAGE
├── CGDISPDATA
├── PARTPROG
├── SUBROUTINES
└── TEMPLATES
    └── 1
        ├── MODS
        └── NAME

3 directories, 6 files


    I ran a few other tests and noticed that PC-DMIS opens the programs as Read-Write when it really should open programs as Read-Only. That likely triggers automatic changes to the file system even if nothing intentionally is written to it.

    I suggest you file this as a bug report.
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  • I noticed this behavior with PC-DMIS. The problem is with PC-DMIS and not from the OS as suggested earlier.

    PC-DMIS programs are stored as an OLE2 file system. Basically this is a single file that contains its own file system. It is the same stuff used by older versions of MS Office (doc, xls, ...) and probably many other programs that use this storage system. If you open a PC-DMIS program using an OLE2 file viewer you will see something like this for the file system: 
    Root
├── CADPREVIEWIMAGE
├── CGDISPDATA
├── PARTPROG
├── SUBROUTINES
└── TEMPLATES
    └── 1
        ├── MODS
        └── NAME

3 directories, 6 files


    I ran a few other tests and noticed that PC-DMIS opens the programs as Read-Write when it really should open programs as Read-Only. That likely triggers automatic changes to the file system even if nothing intentionally is written to it.

    I suggest you file this as a bug report.
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