IExtensibleMassActions AddMassAction Method Kentico 8.0 API Reference
Adds new action to the Mass actions control. Has to be called before Page_Load event.

Namespace: CMS.UIControls
Assembly: CMS.UIControls (in CMS.UIControls.dll) Version: 8.0.0.0 (8.0.5239.26125)
See Also
IExtensibleMassActions Interface
IExtensibleMassActions Members
CMS.UIControls Namespace