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Home: AutoCAD .NET Developer's Guide
Understand the AutoCAD Object Hierarchy
Understand the AutoCAD Object Hierarchy
The Document Object
The Application object
is the root object of the AutoCAD .NET API. From the Application
object, you can access the main window as well as any open drawing.
Once you have a drawing, you can then access the objects in the drawing.
For information on working with open drawing files (documents) see, The Document Object.
For example, the Application
object has a DocumentManager property
that returns the DocumentCollection object. This object provides
access to the the drawings that are currently open in AutoCAD and
allows you to create, save and open drawing files. Other properties
of the Application object provide access to the application-specific
data such as InfoCenter, the main window, and the status bar.The MainWindow property allows access to
the application name, size, location, and visibility.
While most of the properties
of the Application object allow access to objects in the AutoCAD .NET
API, there are some that reference objects in the AutoCAD ActiveX® Automation. These properties
include a COM version of the application object (AcadApplication),
the menubar (MenuBar), loaded menugroups (MenuGroups), and preferences
(Preferences).
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- DocumentManager
-
Container for all the
document objects (there is a document object for each drawing that
is open).
- DocumentWindowCollection
-
Container for all the
document window objects (there is a document window object for each
document object in the DocumentManager).
- InfoCenter
-
Contains a reference
to the InfoCenter toolbar.
- MainWindow
-
Contains a reference
to the application window object of AutoCAD.
- MenuBar
-
Contains a reference
to the MenuBar COM object for the menubar in AutoCAD.
- MenuGroups
-
Contains a reference
to the MenuGroups COM object which contains the customization group
name for each loaded CUIx file.
- Preferences
-
Contains a reference
to the Preferences COM object which allows you to modify many of
the settings in the Options dialog box.
- Publisher
-
Contains a reference
to the Publisher object which is used for publishing drawings.
- StatusBar
-
Contains a reference
to the StatusBar object for the application window.
- UserConfiguration
-
Contains a reference
to the UserConfiguration object which allows you to work with user
saved profiles.
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