diff --git a/PInvoke/Shell32/ShObjIdl.IFileOperation.cs b/PInvoke/Shell32/ShObjIdl.IFileOperation.cs
index 9f71fcbf..1bf43283 100644
--- a/PInvoke/Shell32/ShObjIdl.IFileOperation.cs
+++ b/PInvoke/Shell32/ShObjIdl.IFileOperation.cs
@@ -80,7 +80,11 @@ namespace Vanara.PInvoke
 			/// </summary>
 			FOF_WANTNUKEWARNING = 0x4000,
 
+			/// <summary>Deprecated.</summary>
 			FOF_NORECURSEREPARSE = 0x8000,
+			
+			/// <summary>Don't display any UI at all.</summary>
+			FOF_NO_UI = FOF_SILENT | FOF_NOCONFIRMATION | FOF_NOERRORUI | FOF_NOCONFIRMMKDIR;
 
 			/// <summary>
 			/// Walk into Shell namespace junctions. By default, junctions are not entered. For more information on junctions, see Specifying