The right portion of the DesignCenter window operates on the content displayed.
Double-clicking an item in the content area displays successive levels of detail. For example, double-clicking a drawing image displays several icons, including an icon for blocks. Double-clicking the Blocks icon displays images of each block in the drawing.
You can add content from the content area into your current drawing using several methods:
You can preview graphical content such as a drawing, xref, or block in the content area, and you can display a text description if available.
Unlike xrefs, when the source file of a block definition is changed, block definitions in the drawings that contain that block are not automatically updated. With DesignCenter, you decide whether a block definition should be updated in the current drawing. The source file of a block definition can be a drawing file or a nested block in a symbol library drawing.
From the shortcut menu displayed when you right-click a block or drawing file in the content area, click Redefine Only or Insert and Redefine to update the selected block.
With DesignCenter, you can open a drawing from the content area using the shortcut menu, pressing CTRL while dragging a drawing, or dragging a drawing icon to any location outside the graphics area of a drawing area. The drawing name is added to the DesignCenter history list for quick access in future sessions.
You can add drawings, blocks, and hatches from DesignCenter to the current tool palette.
When you add drawings to a tool palette, they are inserted as blocks when you drag them into the current drawing.