'Declaration Public Property MaxDropDownHeight As Nullable(Of Double)
public Nullable<double> MaxDropDownHeight {get; set;}
You can use this property to constraint the height of the drop-down list. Particularly useful to constraint the user from resizing the height when drop-down resizing functionality is enabled (see DropDownResizeMode).
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2