AutoCAD for Mac Toolbar Button that resets Block MRU to reduce delays

Issue:

The 'spinning beachball' that indicates a wait for delays appears often when the list of recently used blocks is large.

Causes:

Among other reasons, if the list of Most Recently Used blocks contains up to the default value of 50 blocks, there may be a delay as all blocks in the list are located.

 

Solution:

The BLOCKMRULIST System Variable defaults to 50 in a possible range from 0 to 100. This Most Recently Used list is kept available between drawings. 

    

If any drawings that host the blocks in the block history are deleted or moved, that can cause a lengthy delay as the missing drawing location is searched.

By setting BLOCKMRULIST to 0 or to 10, for example, that stops the searching for missing blocks.

To speed that up, a toolbar button with a custom macro can be made with the CUI command (Customize User Interface). The macro C^C^BLOCKMRULIST;10 will reset the block history to 10, for example. 

Then the new toolbar icon can be added to an existing or a new tool palette, for quick access.

When the new icon  is clicked, it will reduce the block history list to the value used in the macro.

 

Also see AutoCAD: How to control the recent block history in the Block Insert Palette

About the Author

Bob Felton

Sr. Technical Support Specialist, Manufacturing<br><br>Bob Felton has been supporting Autodesk products for over 25 years including core AutoCAD, P&ID, Plant 3D, AutoCAD for Mac, AutoCAD Mechanical, and Vault. His background is in graphics with an Applied Sciences degree and ten years manufacturing experience drafting, as well as technical illustration, image editing, and even patent drafting.

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