diff --git a/Disp/RenderingCanvas.cs b/Disp/RenderingCanvas.cs
index 2b34560..21c567b 100644
--- a/Disp/RenderingCanvas.cs
+++ b/Disp/RenderingCanvas.cs
@@ -103,6 +103,10 @@ namespace Hi.WinForm.Disp
         #endregion
 
         #region Win32_Message_Handling
+        /// <summary>
+        /// Processes Windows messages, handling touch input and forwarding other messages to the base class.
+        /// </summary>
+        /// <param name="m">The Windows message to process.</param>
         protected override void WndProc(ref Message m)
         {
             if (m.Msg == WM_TOUCH)
diff --git a/Disp/RenderingForm.cs b/Disp/RenderingForm.cs
index ce190fc..24e8fcb 100644
--- a/Disp/RenderingForm.cs
+++ b/Disp/RenderingForm.cs
@@ -35,6 +35,9 @@ namespace Hi.WinForm.Disp
         /// The contained <see cref="Disp.RenderingCanvas"/>.
         /// </summary>
         public RenderingCanvas RenderingCanvas { get; }
+        /// <summary>
+        /// Gets or sets the displayee object for rendering.
+        /// </summary>
         [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
         public IDisplayee Displayee
         {
diff --git a/Hi.WinForm.csproj b/Hi.WinForm.csproj
index 9bd9d41..250fcbb 100644
--- a/Hi.WinForm.csproj
+++ b/Hi.WinForm.csproj
@@ -7,7 +7,7 @@
     <RootNamespace>$(AssemblyName)</RootNamespace>
     <Platforms>x64</Platforms>
     <Description>WinForm Display module of HiAPI</Description>
-    <VersionBuild>85</VersionBuild>
+    <VersionBuild>86</VersionBuild>
     <VersionPrefix>3.1.$(VersionBuild)</VersionPrefix>
     <PackageTags>HiAPI</PackageTags>
     <RuntimeIdentifiers>win-x64</RuntimeIdentifiers>