fixed warnings for Demo project

Author: d2phap

README.md

@@ -1,4 +1,4 @@
-# D2Phap.DXControl
+# D2Phap.DXControl
 - A WinForms control that supports drawing with Direct2D thanks to [WicNet](https://github.com/smourier/WicNet).
 - This control has been used in [ImageGlass](https://github.com/d2phap/ImageGlass) software since version 9.0.
 
@@ -19,7 +19,7 @@
 - Supports animation drawing with Direct2D.
 
 ## Requirements:
-- .NET 6.0, 7.0, 8.0
+- .NET 8.0, 9.0
 
 ## Installation
 Run the command

Source/DXControl/D2Phap.DXControl.csproj

@@ -23,7 +23,7 @@
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>
     <PackageReleaseNotes>See release notes here: https://github.com/d2phap/DXControl/releases</PackageReleaseNotes>
     <Authors>Duong Dieu Phap</Authors>
-    <VersionPrefix>4.1.0</VersionPrefix>
+    <VersionPrefix>4.2.0</VersionPrefix>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
     <EmbedUntrackedSources>true</EmbedUntrackedSources>
     <DocumentationFile>bin\$(Configuration)\$(TargetFramework)\$(AssemblyName).xml</DocumentationFile>

Source/DXControl/DXCanvas.cs

@@ -48,20 +48,23 @@ public class DXCanvas : Control
     /// Gets Direct2D factory.
     /// </summary>
     [Browsable(false)]
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
     public IComObject<ID2D1Factory1>? Direct2DFactory => _d2DFactory;
 
 
     /// <summary>
     /// Gets DirectWrite factory.
     /// </summary>
     [Browsable(false)]
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
     public IComObject<IDWriteFactory5>? DirectWriteFactory => _dWriteFactory;
 
 
     /// <summary>
     /// Gets render target for this control.
     /// </summary>
     [Browsable(false)]
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
     public IComObject<ID2D1HwndRenderTarget>? RenderTarget => _renderTarget;
 
 
@@ -76,20 +79,23 @@ public class DXCanvas : Control
     /// Gets the <see cref='DXGraphics'/> object used to draw in <see cref="Render"/>.
     /// </summary>
     [Browsable(false)]
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
     public DXGraphics? D2Graphics => _graphicsD2d;
 
 
     /// <summary>
     /// Gets the value indicates if control is fully loaded
     /// </summary>
     [Browsable(false)]
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
     public bool IsReady => !DesignMode && Created;
 
 
     /// <summary>
     /// Gets, sets the DPI for drawing when using <see cref="DXGraphics"/>.
     /// </summary>
     [Browsable(false)]
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
     public float BaseDpi
     {
         get => _dpi;
@@ -135,6 +141,7 @@ public virtual bool UseHardwareAcceleration
     /// Request to update logics of the current frame in the <see cref="OnFrame"/> event.
     /// </summary>
     [Browsable(false)]
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
     public bool RequestUpdateFrame { get; set; } = false;
 
 
@@ -150,13 +157,15 @@ public virtual bool UseHardwareAcceleration
     /// Enable FPS measurement.
     /// </summary>
     [Browsable(false)]
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
     public bool CheckFPS { get; set; } = false;
 
 
     /// <summary>
     /// Gets FPS info when the <see cref="CheckFPS"/> is set to <c>true</c>.
     /// </summary>
     [Browsable(false)]
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
     public int FPS => _lastFps;
 
 

Source/Demo/Demo.csproj

@@ -17,8 +17,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Magick.NET-Q16-AnyCPU" Version="13.8.0" />
-    <PackageReference Include="Magick.NET.SystemWindowsMedia" Version="7.2.4" />
+    <PackageReference Include="Magick.NET-Q16-AnyCPU" Version="14.7.0" />
+    <PackageReference Include="Magick.NET.SystemWindowsMedia" Version="8.0.7" />
   </ItemGroup>
 
   <ItemGroup>

Source/Demo/DemoCanvas.cs

@@ -5,6 +5,7 @@ MIT License
 */
 using D2Phap.DXControl;
 using DirectN;
+using System.ComponentModel;
 using WicNet;
 
 namespace Demo;
@@ -16,6 +17,7 @@ public class DemoCanvas : DXCanvas
     private WicBitmapSource? _wicSrc;
 
 
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
     public WicBitmapSource? Image
     {
         set