Autodesk 15606-011408-9300 Developer Guide - Page 172

This example is called "Points of Interest." It uses Active Server Pages (ASP) and SDF Component Toolkit commands to allow users to add points of interest to the map, which will also be added to the corresponding SDF data source. SDF Component Toolkit Points of Interest application Notice that the map is at the left and the controls are at the right. To add a point, the user types a name for the point, clicks the Digitize button, clicks a point on the map, and then clicks the Add button. The new point and its name are added to poi.sdf, which is the SDF file on which the Points of Interest map layer is based. Points are represented on the map as L-shaped symbols. To find the point again, type the name of the point and click the Find button. The map zooms to the point. To select the point, either click it or right-click to display the popup menu, choose Select ➤ Select Map Features, and then select the name of the point from the list. If the name does not appear in the list, zoom out or click the Zoom Extents button to zoom all the way out until the point appears. To remove the point from the map, type the name of the point and click the Remove button. The point is then deleted from poi.sdf. 172 | Chapter 7 Applications