Using Dynamic Blocks and Tables - AutoCAD 2011 and AutoCAD LT 2011: No Experience Required - page 479

2. In the Properties palette, scroll down to the Overrides section; for
Angle Offset, enter 270 ↵ .
This is the direction the door will stretch relative to movement of
the open end of the door swing arc. The Distance multiplier stays at
1.0000 because you don't want the width of the door to change in the
same proportion as the width of the opening.
3. In the Misc section, change Action Name from Stretch to Door Size .
4. Deselect this action, and select the Scale action.
5. In the Misc section of the Properties palette, change Action Name from
Scale to Door Swing Size .
6. Click the Test Block button found on the Block Editor contextual
tab ➢ Open/Save panel:
A new window opens with the block displayed in the drawing area,
the Block Editor contextual tab disappears, and the contextual Close
panel (green background) opens on the far right side of the Ribbon.
7. Select the block, and then use the light blue arrow to test the Distance
parameter you added to the A-DOOR-36IN block, as shown in Figure 9.49.
FiGuRE 9.49 Using the Test block to verify the functionality of the
Distance parameter
8. After testing the block, click the Close Test Block Window button found
on the contextual Close panel found to the right of any Ribbon tab.