Opens the block definition in the Block Editor.
Access Methods
Tool Set:
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Menu: .
The Edit Block Definition dialog box is displayed. Select a block definition to edit or enter a name for a new block definition to create, then click Edit Block to open the Block Editor.
When the BLOCKEDITLOCK system variable is set to 1, the Block Editor cannot be opened.
The Block Editor is a separate environment for creating and changing block definitions for the current drawing. You can also use it to add dynamic behavior to blocks.