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Maximum Python File Name Length

Although it's not mentioned in Python help, the maximum length of a MicroStation Python file name is 48 characters, including the file extension.

A Python file name having more than 48 characters will crash MicroStation without warning.


MicroStation Python Article Index

Bentley Programming Wiki Python Programming Wiki

A DGN cell library is a DGN file having a .cel extension.

DGN Cell Libraries
Title Link Comments
Get Active Cell Library Get Active Cell Library Demonstrates how to get the active cell library and see its contents
Get Cells from Library Get List of Cells Demonstrates how to get the active cell library and see its contents
Create a DgnModelRefList Create a DgnModelRefList Create a new DgnModelRefList. Avoid confusing with ModelRefList!
Get Units-of-Resolution Get Units-of-Resolution (UORs) Get UORs from a DGN model

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Updated on 06-Aug-2026 Copyright © 2024…2026 Jon Summers