BLOCKREDEFINEMODE (System Variable)

Controls whether a dialog box or a prompt on the command line displays when inserting a block from the Blocks palette with the same name as an existing block definition.

Type: Integer
Saved in: Registry
Initial value: 1

When you try to insert a different block with the same name, a dialog box or a prompt on the command line displays that provides you the option of redefining the existing block to the one you're inserting.

Value Description
0 Always uses the existing block definition rather than the new one being inserted
1 Displays a dialog box that allows you to redefine the existing block definition
2 Displays a prompt on the command line that allows you redefine the existing block definition