Allows to: modify block definitions without exploding them, shoot block slides or modify block insertion point.
When clicking on
tab from Active Block Settings panel (see also Block Manipulation Options or Adjust Single Block) will be displayed as a panel inside a particular module providing the same functionality throughout:

Modify Library Blocks module provides the same functionality as above but could be used to modify multiple blocks at the same time. It could be accessed from main toolbar or Admin Tools menu.
Display library blocks by selecting library folder.

Select blocks for modification by checking box in bottom left corner of a block mage or click
Select All / Clear All toggle.
In order for a block insert to take the properties of the layer it is inserted on, it is necessary to change the properties of the entities that it consists of:
- Layer to 0 (zero)
- Color to ByBlock
- LineType to ByBlock
- LineWeight to ByBlock
Modify Nested Blocks — controls if modification is applied to nested blocks (when block definition contains other blocks)
Update Block — click this button to update block definition and re-shoot its slide
Change Block’s Insertion Point - this button is not displayed when multiple blocks are selected.
Custom Modify - make modifications to the selected block’s definition. This button is not displayed when multiple blocks are selected.
Update Extends — if block was modified outside of Block Explorer .Net, click this button to recalculate block extends.
- Auto shoot current block’s image
- If the image extends are not perfect - use this button to "Pan", "Zoom" or "Zoom Scale" to the preferred picture and then click Enter to Shoot Slide.
This button is disabled when multiple blocks are selected.
Select Slide File — associate current block’s image with a slide file
Include Attributes — controls attribute visibility
Restore - click to restore block definition.
Save - click to save modified blocks definitions and slides to the library.
!!!WARNING!!! These changes are permanent. Do not click this button if the appearance of selected blocks is not to your satisfaction.