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Dear friends, winter is coming, may everyone's life be full of warmth. 

I have a Question:
When using sd* to save files, today (20231217) I saved "Part 1" to the disk and generated "Part 1.SDPC", tomorrow (20231218) I modified the geometry of "Part 1", when saving again, the new data will overwrite the original "part 1.SDPC".

Question:
1. Later (for example, 20231224), I cannot restore "Part 1" to the state of 20231217.
2. If I tomorrow (20231218) within the CreoElementsDirectModeling  "part 1" of the name change to "bracket", but when saved to disk, the file name is still "part 1.SDPC". If I want to modify the "bracket" part separately, I can not find the corresponding file on the disk.

Excuse me:
what method can accurately know CreoElementsDirectModeling within a certain part(object) corresponding file name on the disk?

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A mechanical engineer who loves to program  

[Diese Nachricht wurde von renchaoroy am 17. Dez. 2023 editiert.]

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Rename it on the disk too.

Part1.sdpc has internal stored which name is shown in CAD, for example "part1" or "bracket" or "John-Boy".

If Part1.sdpc is in an assembly group like yours "exmples", then its name "bracket" is only stored there.
Try to load Part1.sdpc alone, then you see the former name "part1" again.

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Zitat:

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Original erstellt von renchaoroy:
sd*files.... corresponding file name on the disk?

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In general I would recommend NOT to fiddle manually with those filenames. Using the SD-files on disk (and not using ModelManager or similar tools) you will soon have 142++ Assemblies and 474++ parts and instances and other files on disk. Renaming files might work for simple things. But you might end up in a 'file not found' issue when loading an assembly later on. 

And with 'later on' I mean: loading an assembly in Nov 2024, but you renamed the missing file in dec 2023! How good you do remember? 😉

If using the SD-files-on-disk approach: handle that directory as a closed black box and just TRUST Modeling. Rename objects WITHIN Modeling.

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Thank you to my friends Matthias and Wolfgang,
According to offer you the information, I found in the preservation, if the model objects have contents name, CreoElementsDirectModeling contents is used the name as a disk file name to save. If not, the file is saved on disk using the same string as the base name.
And save, only changed the contents name save again, CreoElementsDirectModeling will use the new contens name save a new file on disk. Otherwise, the file name on disk will always be the string from the first save.

I've now solved the problem with version names when saving files using the following method
1. The name of the file object to iterate over the save path (eFileName)
2. Lookup the name of the modified model object (mObjName)
3. Check if mObjName exists a file with the same name in the disk path
3.1. Rename the disk file name (incrementing the version number) if a disk file with the same name exists
3.2. If no disk file with the same name exists, no action is taken.
4. Save the modified model object (use mObjName).

There are still two problems with this,
An error if a model object with the same name exists in the drawing environment,
b. If you change the contents name and save it again, you cannot trace the historical version by the file name.

I will continue to work on how to solve this problem. If you have a way to trace back to a historical version without a common file name, please let me know. Thank you again.
 

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A mechanical engineer who loves to program 

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