ArcObjects Library Reference (Geoprocessing)  

esriGPParameterType Constants

Type of Geoprocessing parameter.

Constant Value Description
esriGPParameterTypeRequired 0 Required parameter.
esriGPParameterTypeOptional 1 Optional parameter.
esriGPParameterTypeDerived 2 Derived parameter.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

.NET Related Topics

Building a custom geoprocessing function tool