| In recent years, with the continuous expansion of applied fields of the geography information system (GIS) technology, the system developers are in great need of the secondary development software which can realize the basic functions of GIS quickly. Many manufacturers for GIS have launched their secondary developing products, among which MapObject (Control plug-in), ArcObject (Componets) from ESRI and MapX from MapInfo are most famous.In this paper, the.NET is used as a development platform and the C# as a development language. First, we analyze some problems during the process of the GIS software development, then introduce a new way of secondary development GIS Application Framework in Plug-ins. On this basis, MYGIS framework is designed.The design process includes three main parts:framework plug-in engine,framework host program and framework plug-in. The.NET mobile development technology is further analyzed. The plug-in framework and the.NET mobile development technologies are applied in inspection system of drainage facilities, and the practicality of the plug-in framework is verified.This paper mainly has solved the following questions during the process of practical application development:how the host program distinguishes the plug-in objects, how to initialize the User Interface of the plug-in, how the plug-in objects produce their UI objects, how the UI objects interact with the plug-in when being triggered and how the plug-in framework connects with the.NET mobile development technology. |
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