Large version jump.

src/Directory.Build.props

@@ -2,7 +2,7 @@
   <PropertyGroup>
     <!--change these in each release-->
     <VersionPrefix>4.0.0.0</VersionPrefix>
-    <VersionSuffix>alpha.31</VersionSuffix>
+    <VersionSuffix>alpha.40</VersionSuffix>
     
     <!--keep it the same until major # changes-->
     <AssemblyVersion>4.0.0.0</AssemblyVersion>

src/NTwain/Native/Win32MessagePump.cs

@@ -9,6 +9,7 @@ using Windows.Win32.UI.WindowsAndMessaging;
 
 namespace NTwain.Native;
 
+// this piece was mostly generated by AI
 
 #if !NETFRAMEWORK
 [SupportedOSPlatform("windows5.1.2600")]