Block Definition Dialog Box
Defines and names a block.

List of Options
The following options are displayed.
Name
Names the block. The name can have up to 255 characters and can include letters, numbers,
blank spaces, and any special character not used by the operating system or the program
for other purposes.
The block name and definition are saved in the current drawing.
Preview
If an existing block is selected under Name, displays a preview of the block.
Base Point
Specifies an insertion base point for the block. The default value is 0,0,0.
- Specify On-Screen
-
Prompts you to specify the base point when the dialog box is closed.
- Pick Insertion Base Point
-
Temporarily closes the dialog box so that you can specify an insertion base point
in the current drawing. - X
-
Specifies the X coordinate value.
- Y
-
Specifies the Y coordinate value.
- Z
-
Specifies the Z coordinate value.
Objects
Specifies the objects to include in the new block and whether to retain or delete
the selected objects or convert them to a block instance after you create the block.
- Specify On-Screen
-
Prompts you to specify the objects when the dialog box is closed.
- Select Objects
-
Closes the Block Definition dialog box temporarily while you select the objects for
the block. When you finish selecting objects, press Enter to return to the dialog
box. - Quick Select
-
Displays the Quick Select dialog box, which defines a selection set.
- Retain
-
Retains the selected objects as distinct objects in the drawing after you create the
block. - Convert to Block
-
Converts the selected objects to a block instance in the drawing after you create
the block. - Delete
-
Deletes the selected objects from the drawing after you create the block.
- Objects Selected
-
Displays the number of selected objects.
Behavior
Specifies the behavior of the block.
- Annotative
-
Specifies that the block is annotative.
- Match Block Orientation to Layout
-
Specifies that the orientation of the block references in paper space viewports matches
the orientation of the layout. This option is unavailable if the Annotative option
is cleared. - Scale Uniformly
-
Specifies whether or not the block reference is prevented from being non-uniformly
scaled. - Allow Exploding
-
Specifies whether or not the block reference can be exploded.
Settings
Specifies settings for the block.
- Block Unit
-
Specifies the insertion units for the block reference.
- Hyperlink
-
Opens the Insert Hyperlink dialog box, which you can use to associate a hyperlink
with the block definition.
Description
Specifies the text description of the block.
Open in Block Editor
Opens the current block definition in the Block Editor when you click OK.
spfines and names a block. List of Options The following options are displayed. Name Names the block. The name can have up to 255 characters and can …Block Definition Dialog Box. … Select from a list of block definitions that are saved in the drawing to edit in the Block Editor. You can also enter a name for a new block definition to create in the Block Editor. When you click OK, the Edit Block Definition dialog box closes, and the Block Editor is displayed.Block Definition dialog box: Open a drawing that contains …Block Definition dialog box. (The other way to create a block definition is to …dialog box techniques. These files are in the AutoCAD Support …Block Definition dialog box to create the block. When you select the attributes, …block definitions used as a generic placeholder for commonly … You define attributes through the Attribute Definition dialog box.