本程序实现了怎样把shapefile或coverage文件中输入的曲线转换成地理数据库支持的真实曲线。在Visual Studio中编译好项目，启动ArcMap并装载进一个与曲线相似的线要素类。点击自定义菜单并点击Add-In管理器，点击自定义，出现自定义对话框，浏览定位到add-in所在项目文件的文件夹"bin\Debug"目录，选择".esriAddIn "文件。在自定义对话框中的Command选项卡下选择Add-In控件目录，选择"Curve Conversion"命令，将它拖拽到工具条上，关闭自定义对话框。-This program realizes how to convert curves imported from a shapefile or coverage into true curves supported by the geodatabase. Compile the project in Visual Studio, Start ArcMap and load a line feature class containing features that approximate curves.Click the Customize menu and click Add-In Manager. The Add-In Manager dialog box appears. Click Customize. The Customize dialog box appears.Browse to the location of the add-in and select the .esriAddIn file located in the projects bin\Debug folder. Under the Commands tab on the Customize dialog box, select the Add-In Controls category, select the Curve Conversion command, then drag it onto a toolbar. Close the Customize dialog box.