Coding for Package Manager.

DataUtils/DataUtils.csproj

@@ -67,6 +67,12 @@
   <ItemGroup>
     <None Include="packages.config" />
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\IEHelper\IEHelper.vcxproj">
+      <Project>{e4ca78a9-9408-4f5f-add6-730fd501ff8e}</Project>
+      <Name>IEHelper</Name>
+    </ProjectReference>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.

DataUtils/Taskbar.cs

@@ -1,7 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 using System.Runtime.InteropServices;
 
 namespace DataUtils
@@ -51,30 +48,69 @@ namespace DataUtils
 	}
 	public sealed class TaskbarProgress: IDisposable
 	{
-		private readonly ITaskbarList3 _taskbar;
 		private readonly IntPtr _hwnd;
+		private ITaskbarList3 _taskbar3;
 		public TaskbarProgress (IntPtr hwnd)
 		{
 			_hwnd = hwnd;
-			_taskbar = (ITaskbarList3)new TaskbarList ();
-			_taskbar.HrInit ();
+			object obj = new TaskbarList ();
+			ITaskbarList baseTaskbar = (ITaskbarList)obj;
+			baseTaskbar.HrInit ();
+			_taskbar3 = obj as ITaskbarList3;
+		}
+		public bool IsSupported
+		{
+			get { return _taskbar3 != null; }
 		}
 		public void SetState (TBPFLAG state)
 		{
-			_taskbar.SetProgressState (_hwnd, state);
+			if (_taskbar3 != null)
+				_taskbar3.SetProgressState (_hwnd, state);
 		}
 		public void SetValue (ulong completed, ulong total)
 		{
-			_taskbar.SetProgressValue (_hwnd, completed, total);
+			if (_taskbar3 != null)
+				_taskbar3.SetProgressValue (_hwnd, completed, total);
 		}
 		public void Clear ()
 		{
-			_taskbar.SetProgressState (_hwnd, TBPFLAG.TBPF_NOPROGRESS);
+			if (_taskbar3 != null)
+				_taskbar3.SetProgressState (_hwnd, TBPFLAG.TBPF_NOPROGRESS);
 		}
 		public void Dispose ()
 		{
-			Clear ();
-			Marshal.ReleaseComObject (_taskbar);
+			if (_taskbar3 != null)
+			{
+				Marshal.ReleaseComObject (_taskbar3);
+				_taskbar3 = null;
+			}
 		}
+		~TaskbarProgress () { Dispose (); }
+		public ITaskbarList3 Instance => _taskbar3;
+	}
+	[ComImport]
+	[Guid ("56FDF342-FD6D-11d0-958A-006097C9A090")]
+	[InterfaceType (ComInterfaceType.InterfaceIsIUnknown)]
+	public interface ITaskbarList
+	{
+		void HrInit ();
+		void AddTab (IntPtr hwnd);
+		void DeleteTab (IntPtr hwnd);
+		void ActivateTab (IntPtr hwnd);
+		void SetActiveAlt (IntPtr hwnd);
+	}
+	public interface ITaskbarProgress
+	{
+		double ProgressValue { set; }
+		TBPFLAG ProgressStatus { set; }
+	}
+	[ComVisible (true)]
+	[ClassInterface (ClassInterfaceType.AutoDual)]
+	public class _I_Taskbar
+	{
+		private ITaskbarProgress taskbar = null;
+		public double Progress { set { if (taskbar == null) return; taskbar.ProgressValue = value; } }
+		public int Status { set { if (taskbar == null) return; taskbar.ProgressStatus = (TBPFLAG)value; } }
+		public _I_Taskbar (ITaskbarProgress tp) { taskbar = tp; }
 	}
 }

DataUtils/Utils.cs

@@ -181,5 +181,9 @@ namespace DataUtils
 		}
 		public static bool NNoEmpty (this string l) => !((l ?? "")?.NEmpty () ?? true);
 		public static string NNormalize (this string l) => (l ?? "")?.Trim ()?.ToLower () ?? "";
+		public interface IJsonBuild
+		{
+			object BuildJSON ();
+		}
 	}
 }

DataUtils/Version.cs

@@ -8,7 +8,7 @@ namespace DataUtils
 	/// bits 48..63 = major, 32..47 = minor, 16..31 = build, 0..15 = revision.
 	/// </summary>
 	[ComVisible (true)]
-	public class Version: IComparable<Version>, IEquatable<Version>
+	public class Version: IComparable<Version>, IEquatable<Version>, Utilities.IJsonBuild
 	{
 		// Backing fields
 		private ushort major;
@@ -70,12 +70,13 @@ namespace DataUtils
 			// cast to ulong before shifting
 			return (((ulong)major) << 48) | (((ulong)minor) << 32) | (((ulong)build) << 16) | ((ulong)revision);
 		}
-		public void FromUInt64 (ulong value)
+		public Version FromUInt64 (ulong value)
 		{
 			major = (ushort)((value >> 48) & 0xFFFFUL);
 			minor = (ushort)((value >> 32) & 0xFFFFUL);
 			build = (ushort)((value >> 16) & 0xFFFFUL);
 			revision = (ushort)(value & 0xFFFFUL);
+			return this;
 		}
 		public ulong Data { get { return ToUInt64 (); } set { FromUInt64 (value); } }
 		public override string ToString ()
@@ -242,6 +243,16 @@ namespace DataUtils
 			if (v == null) return 0UL;
 			return v.ToUInt64 ();
 		}
+		public object BuildJSON ()
+		{
+			return new
+			{
+				major = Major,
+				minor = Minor,
+				build = Build,
+				revision = Revision
+			};
+		}
 	}
 	[ComVisible (true)]
 	[ClassInterface (ClassInterfaceType.AutoDual)]

DataUtils/WebBrowser.cs

@@ -22,12 +22,13 @@ namespace DataUtils
 		void ExecWB (
 			OLECMDID cmdID,
 			OLECMDEXECOPT cmdexecopt,
-			ref object pvaIn,
-			ref object pvaOut
+			[In, Optional] object pvaIn,
+			[Out, Optional] object pvaOut
 		);
 	}
 	public static class WebBrowserHelper
 	{
+		static Guid CGID_MSHTML = new Guid ("DE4BA900-59CA-11CF-9592-444553540000");
 		public static IWebBrowser2 GetWebBrowser2 (WebBrowser browser)
 		{
 			return browser.ActiveXInstance as IWebBrowser2;
@@ -37,4 +38,20 @@ namespace DataUtils
 	{
 		int PageScale { get; set; }
 	}
+	[ComImport]
+	[Guid ("B722BCCB-4E68-101B-A2BC-00AA00404770")]
+	[InterfaceType (ComInterfaceType.InterfaceIsIUnknown)]
+	public interface IOleCommandTarget
+	{
+		[PreserveSig]
+		int Exec (
+			ref Guid pguidCmdGroup,
+			uint nCmdID,
+			uint nCmdexecopt,
+			ref object pvaIn,
+			ref object pvaOut
+		);
+	}
+
+
 }