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Keyboard shortcut: B20
Toolbar button: none
Compatible with AutoCAD Versions: 2000, 2000i, 2002, 2004, 2005, 2006, 2007, 2008, 2009, 2010

ENTITIES INSIDE BLOCK TO LAYER ZERO

Command to change the layer of the contents (entities) in a block to the layer zero without exploding the block. The layer that the block was inserted on remains the same. This command redefines the block in the drawing so every occurrence of the block is changed. It will change objects in nested blocks up to three levels deep.

Let's use an example. A new project is acquired and some of the drawing has already been done. The drawings have many strange layers and blocks. First order of business is to modify the drawings to fit the office's layer standards. However, the door block will not "change layers". When the block is listed it says that the block resides on the correct layer but the doors still reside on one layer and the door swings on another.

Don't explode it! there is another way...

Obviously the entities inside the door block are on layers other than "0" (zero). Whoever created this block must never need to change it's layer. That may work for them but not for most.

Since this block has already been created we must "recreate" the block and "do it right" this time. This command is designed to "dig" in to the block data and "fix" it so that the entities that are inside the block are on layer "0".

User configurable options: none

Known limitations:

• Nested blocks will only be changed 3 levels down.

• Submit a limitation not listed.

Alternate uses:

• None reported. If you have an alternate use for this command submit it here.

SAMPLE BLK20 COMMAND SYNTAX:

Command: B20
Command: BLK20

Block entities to layer zero...
Select block:

Select the block to convert

Changing block entity data............

--entities in the block are changed to layer 0 (zero)--

Solutions to common questions and problems with this command

Related Commands

BLK20BB  Converts all entities in a block to layer "0" (zero) and also changes the color, linetype, and lineweight (if applicable) to "byblock".

BLK20BL  Converts all entities in a block to layer "0" (zero) and also changes the color, linetype, and lineweight (if applicable) to "bylayer".

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