使用arcgis9.0开发的新功能

Product Organization
The ArcGIS system is built and extended using software components called ArcObjects? ArcObjects are an integrated collection of cross-platform GIS software components that are client and server ready. At 9.0, ArcGIS has a common developer experience across three products:
ArcGIS Engine
ArcGIS Desktop
ArcGIS Server
Modular Architecture
At 9.0 the system architecture is organized into sets of libraries specific to the products:
ArcGIS Engine Libraries
ArcGIS Desktop Libraries
ArcGIS Server Libraries
APIs
At 9.0, developers have the option of working on the following newly supported APIs:
Java
Native C++
Enhanced .NET Support
Developer Components
ArcGIS Controls  ArcGIS Engine includes high-level developer controls that can be used to build or extend applications with ArcGIS functionality and a quality map user interface. At 9.0, the following controls are available:
TOCControl
ToolbarControl
ReaderControl
ArcReaderControl
GlobeControl
SceneControl
PageLayoutControl
MapControl
Map Document
150 Commands and Tools
Documentation and Revised Help System
At 9.0 the user documentation has been reorganized and expanded. New features include:
Product-specific Developer Guides
Extending ArcObjects
Library Overviews  The organization and functional groupings of objects within each component library are described in detail. For an example, see the Display Library Overview.
Examples and Samples in multiple languages (VB, VB.NET, C#, C++, Java)
Add-ins and Developer Tools
Add-ins for the Visual Basic 6 IDE and the Visual Studio .NET IDE and general use Developer Tools automate some of the tasks performed by the software engineer when developing with ArcObjects, as well as provide tools that make debugging and writing code easier.
Add-Ins
Developer Tools
Scalability Strategy
Thread Safe Objects
New programming patterns for scalability
Developer Web Site
ArcGIS Developer Online is the new developer web site for 9.0. Check here to find the latest information, downloads, samples for developing with 9.0. You'll still find 8.3 documentation at ArcObjects Online.

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