A block is a collection of objects linked together to form a single entity. Using blocks lets you keep model size smaller by using block instances instead of copying identical geometry.
| Method | Description |
|---|---|
| BlockContainerCount | Returns the number of block definitions that contain a specified block as a nested block. |
| BlockContainers | Returns the names of block definitions that contain a specified block as a nested block. |
| BlockCount | Counts the number of block definitions in the document. |
| BlockDescription | Returns or sets the description of a block definition. |
| BlockInstanceCount | Counts the number of instances of the block in the document. |
| BlockInstanceInsertPoint | Returns the insertion point of a block instance. |
| BlockInstanceName | Returns the block name of a block instance. |
| BlockInstances | Returns the identifiers of block instances. |
| BlockInstanceXform | Returns the transformation matrix of a block instance. |
| BlockNames | Returns the names of all block definitions in the document. |
| BlockObjectCount | Returns the number of objects that define a block definition. |
| BlockObjects | Returns the identifiers of the objects that make up a block definition. |
| BlockPath | Returns the path to a linked block definition. |
| BlockURL | Returns or sets the URL of a block definition. |
| BlockURLTag | Returns or sets the URL description of a block definition. |
| DeleteBlock | Deletes a block definition and it's instances. |
| ExplodeBlockInstance | Explodes a block instance. |
| InsertBlock | Inserts a block whose definition already exists in the document. |
| IsBlock | Verifies that a block definition exists. |
| IsBlockEmbedded | Verifies that a block definition is embedded/linked from an external file. |
| IsBlockInstance | Verifies that an object is a block instance. |
| IsBlockInUse | Verifies that a block definition is being used. |
| IsBlockReference | Verifies that a block definition is from a reference file. |
| RenameBlock | Renames a block definition. |