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Dia 1 - CAD College

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4.3 Auto<strong>CAD</strong> Object Hierarchy<br />

Most of codes is builde on base of autocad Object Hierarachy .<br />

The following illustration shows the basic relationships between the Application object and<br />

an entity that is in a BlockTableRecord, such as Model space.<br />

There are many more objects in the Auto<strong>CAD</strong> .NET API that are not represented here.<br />

Entity<br />

1<br />

Application<br />

BlockTable<br />

BlockTableR<br />

ecord<br />

Entity<br />

2<br />

Document<br />

Maneger<br />

Entity<br />

…<br />

LayerTable<br />

LayerTableR<br />

ecord<br />

Document<br />

Databae<br />

Tables<br />

TextStyleTa<br />

ble<br />

TextTableR<br />

ecord<br />

16/12/2010 ED<strong>CAD</strong>1.0 HBO-Traject 2010 26

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