ArcGIS Pro 2.6 API Reference Guide
SearchTextBox Class
Members 

ArcGIS.Desktop.Framework.Controls Namespace : SearchTextBox Class
ArcGIS search textbox control
Syntax
Inheritance Hierarchy

System.Object
   System.Windows.Threading.DispatcherObject
      System.Windows.DependencyObject
         System.Windows.Media.Visual
            System.Windows.UIElement
               System.Windows.FrameworkElement
                  System.Windows.Controls.Control
                     System.Windows.Controls.Primitives.TextBoxBase
                        System.Windows.Controls.TextBox
                              ArcGIS.Desktop.Framework.Controls.SearchTextBox

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

SearchTextBox Members
ArcGIS.Desktop.Framework.Controls Namespace