Drive AutoCAD with Code

Wednesday, July 29, 2026

A Workaround To The Drag&Drop API Operation in AutoCAD 2027/.NET 10.0

There is a recent discussion in Autodesk's AutoCAD .NET API discussion forum on the topic of broken Drag&Drop operation API in Auto...

Monday, January 13, 2025

Determine Object Source When Using COPYCLIP[BASE]/PASTECLIP[ORIG] (Ctrl+C/Ctrl+V)

When using AutoCAD, users can use a standard Windows OS operation to copy/paste entities in the same drawing or across different drawings. T...

Monday, December 30, 2024

Clipping Blocks

Can we clip a block (BlockReference) by using API code, as we use "CLIP" command? A recent post in AutoCAD .NET discussion forum ...

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About Me

Norman Yuan: After graduating from university, I worked as civil engineer for more than 10 years. It was AutoCAD use that led me to the path of computer programming. Although I now do more generic business software development, such as enterprise system, timesheet, billing, web services..., AutoCAD related programming is always interesting me and I still get AutoCAD programming tasks assigned to me from time to time. So, AutoCAD goes, I go.

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