![](dotnetdiagramimages/GrapeCity_Silverlight_SpreadSheet_UI_GrapeCity_Windows_SpreadSheet_UI_DropDownItemBaseControl.png)
'Declaration Public MustInherit Class DropDownItemBaseControl Inherits System.Windows.Controls.ContentControl
'Usage Dim instance As DropDownItemBaseControl
public abstract class DropDownItemBaseControl : System.Windows.Controls.ContentControl
System.Object
System.Windows.DependencyObject
System.Windows.UIElement
System.Windows.FrameworkElement
System.Windows.Controls.Control
System.Windows.Controls.ContentControl
GrapeCity.Windows.SpreadSheet.UI.DropDownItemBaseControl
GrapeCity.Windows.SpreadSheet.UI.AutoFilterDropDownItemControl
GrapeCity.Windows.SpreadSheet.UI.DropDownItemControl
GrapeCity.Windows.SpreadSheet.UI.SeparatorDropDownItemControl