'Declaration Public Property IsReadOnly As Nullable(Of Boolean)
public Nullable<bool> IsReadOnly {get; set;}
If IsReadOnly is set to True the user will not be allowed to modify the value of the editor. However note that you will still be able to modify the value of the editor in code via for example its Infragistics.Windows.Editors.ValueEditor.Value property. The default value of this property is null.
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