Represents a dialog box in which the user can select items. This class is intended to be the base class for custom implementations.
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Available in Sandboxed Solutions: No
To perform the query when you create a custom picker dialog, you must set the QueryControl property of the object constructor to initialize it. The PickerDialog class is the base class for the PeoplePickerDialog class.