Small fixes for the clipboard usage, also fixed an autofac issue.

src/Greenshot.Addon.Box/BoxDestination.cs

@@ -153,6 +153,7 @@ namespace Greenshot.Addon.Box
 	            {
 	                using (var clipboardAccessToken = ClipboardNative.Access())
 	                {
+	                    clipboardAccessToken.ClearContents();
                         clipboardAccessToken.SetAsUrl(url);
 	                }
                 }

src/Greenshot.Addon.Dropbox/DropboxDestination.cs

@@ -134,6 +134,7 @@ namespace Greenshot.Addon.Dropbox
 				{
 				    using (var clipboardAccessToken = ClipboardNative.Access())
 				    {
+				        clipboardAccessToken.ClearContents();
                         clipboardAccessToken.SetAsUrl(uploadUrl);
 				    }
                 }

src/Greenshot.Addon.ExternalCommand/ExternalCommandDestination.cs

@@ -94,6 +94,7 @@ namespace Greenshot.Addon.ExternalCommand
 
 	                    using (var clipboardAccessToken = ClipboardNative.Access())
 	                    {
+	                        clipboardAccessToken.ClearContents();
                             clipboardAccessToken.SetAsUrl(exportInformation.Uri);
 	                    }
 	                }

src/Greenshot.Addon.Flickr/FlickrDestination.cs

@@ -181,6 +181,7 @@ namespace Greenshot.Addon.Flickr
 	            {
 	                using (var clipboardAccessToken = ClipboardNative.Access())
 	                {
+	                    clipboardAccessToken.ClearContents();
                         clipboardAccessToken.SetAsUrl(uploadUrl);
 	                }
                 }

src/Greenshot.Addon.GooglePhotos/GooglePhotosDestination.cs

@@ -148,6 +148,7 @@ namespace Greenshot.Addon.GooglePhotos
 	            {
 	                using (var clipboardAccessToken = ClipboardNative.Access())
 	                {
+	                    clipboardAccessToken.ClearContents();
                         clipboardAccessToken.SetAsUrl(url);
 	                }
                 }

src/Greenshot.Addon.Imgur/ImgurDestination.cs

@@ -163,6 +163,7 @@ namespace Greenshot.Addon.Imgur
                     {
                         using (var clipboardAccessToken = ClipboardNative.Access())
                         {
+                            clipboardAccessToken.ClearContents();
                             clipboardAccessToken.SetAsUrl(uploadUrl.AbsoluteUri);
                         }
                     }

src/Greenshot.Addon.Imgur/ViewModels/ImgurHistoryViewModel.cs

@@ -147,6 +147,7 @@ namespace Greenshot.Addon.Imgur.ViewModels
         {
             using (var clipboardAccessToken = ClipboardNative.Access())
             {
+                clipboardAccessToken.ClearContents();
                 clipboardAccessToken.SetAsUrl(SelectedImgur.Data.Link?.AbsoluteUri);
             }
         }

src/Greenshot.Addon.Lutim/LutimDestination.cs

@@ -141,6 +141,7 @@ namespace Greenshot.Addon.Lutim  {
                     {
                         using (var clipboardAccessToken = ClipboardNative.Access())
                         {
+                            clipboardAccessToken.ClearContents();
                             clipboardAccessToken.SetAsUrl(uploadUrl);
                         }
                     }

src/Greenshot.Addon.Lutim/ViewModels/LutimHistoryViewModel.cs

@@ -148,6 +148,7 @@ namespace Greenshot.Addon.Lutim.ViewModels
             // TODO: Build url
             using (var clipboardAccessToken = ClipboardNative.Access())
             {
+                clipboardAccessToken.ClearContents();
                 clipboardAccessToken.SetAsUrl(SelectedLutim.LutimInfo.Short);
             }
         }

src/Greenshot.Addon.OneDrive/OneDriveDestination.cs

@@ -180,6 +180,7 @@ namespace Greenshot.Addon.OneDrive
                 {
                     using (var clipboardAccessToken = ClipboardNative.Access())
                     {
+                        clipboardAccessToken.ClearContents();
                         clipboardAccessToken.SetAsUrl(response.AbsoluteUri);
                     }
                 }

src/Greenshot.Addon.Tfs/TfsDestination.cs

@@ -197,6 +197,7 @@ namespace Greenshot.Addon.Tfs
                 {
                     using (var clipboardAccessToken = ClipboardNative.Access())
                     {
+                        clipboardAccessToken.ClearContents();
                         clipboardAccessToken.SetAsUrl(response.AbsoluteUri);
                     }
                 }

src/Greenshot.Addon.Win10/Win10OcrDestination.cs

@@ -98,6 +98,7 @@ namespace Greenshot.Addon.Win10
 				    // Place the OCR text on the clipboard
 				    using (var clipboardAccessToken = ClipboardNative.Access())
 				    {
+				        clipboardAccessToken.ClearContents();
                         clipboardAccessToken.SetAsUnicodeString(text);
 				    }
 				}

src/Greenshot.Addons/Core/ImageOutput.cs

@@ -853,6 +853,7 @@ namespace Greenshot.Addons.Core
 			{
 			    using (var clipboardAccessToken = ClipboardNative.Access())
 			    {
+                    clipboardAccessToken.ClearContents();
                     // TODO: File??
 			        clipboardAccessToken.SetAsUnicodeString(fullPath);
 			    }

src/Greenshot/Destinations/ClipboardDestination.cs

@@ -66,6 +66,11 @@ namespace Greenshot.Destinations
 				using (var clipboardAccessToken = ClipboardNative.Access())
 				{
 					clipboardAccessToken.ClearContents();
+                    // TODO: Test if this works
+				    if (!string.IsNullOrEmpty(surface.LastSaveFullPath))
+				    {
+				        clipboardAccessToken.SetAsUnicodeString(surface.LastSaveFullPath);
+                    }
                     
 				    foreach (var clipboardFormat in CoreConfiguration.ClipboardFormats)
 				    {

src/Greenshot/Forms/AboutForm.cs

@@ -32,10 +32,10 @@ using System.Drawing.Imaging;
 using System.Reflection;
 using System.Security.Permissions;
 using System.Windows.Forms;
+using Dapplo.CaliburnMicro;
 using Greenshot.Helpers;
 using Dapplo.Ini;
 using Dapplo.Log;
-using Dapplo.Windows.Dpi;
 using Greenshot.Addons;
 using Greenshot.Addons.Animation;
 using Greenshot.Addons.Controls;
@@ -135,7 +135,11 @@ namespace Greenshot.Forms
 		/// <summary>
 		///     Constructor
 		/// </summary>
-		public AboutForm(ICoreConfiguration coreConfiguration, IGreenshotLanguage greenshotlanguage) : base(coreConfiguration, greenshotlanguage)
+		public AboutForm(
+		    ICoreConfiguration coreConfiguration, 
+		    IGreenshotLanguage greenshotlanguage,
+		    IVersionProvider versionProvider
+            ) : base(coreConfiguration, greenshotlanguage)
 		{
 		    _greenshotlanguage = greenshotlanguage;
 		    // Make sure our resources are removed again.
@@ -159,11 +163,12 @@ namespace Greenshot.Forms
 		            pictureBox1.Height = FormDpiHandler.ScaleWithCurrentDpi(90);
                 });
 
-            var v = Assembly.GetExecutingAssembly().GetName().Version;
-
-			// Format is like this:  AssemblyVersion("Major.Minor.Build.Revision")]
-			lblTitle.Text = $"Greenshot {v.Major}.{v.Minor}.{v.Build} Build {v.Revision}{(coreConfiguration.IsPortable ? " Portable" : "")} ({OsInfo.Bits}) bit)";
-
+            var versionInfo = $@"Greenshot {versionProvider.CurrentVersion} {(coreConfiguration.IsPortable ? " Portable" : "")} ({OsInfo.Bits} bit)";
+		    if (versionProvider.IsUpdateAvailable)
+		    {
+		        versionInfo += $" latest is: {versionProvider.LatestVersion}";
+		    }
+		    lblTitle.Text = versionInfo;
 			// Number of frames the pixel animation takes
             var frames = FramesForMillis(2000);
 			// The number of frames the color-cycle waits before it starts

src/Greenshot/Forms/MainForm.cs

@@ -44,6 +44,7 @@ using Dapplo.Log;
 using Timer = System.Timers.Timer;
 using Dapplo.Windows.Dpi;
 using Dapplo.Windows.App;
+using Dapplo.Windows.Clipboard;
 using Dapplo.Windows.Common.Structs;
 using Dapplo.Windows.DesktopWindowsManager;
 using Dapplo.Windows.Dpi.Enums;
@@ -477,7 +478,10 @@ namespace Greenshot.Forms
 
         private void ContextMenuOpening(object sender, CancelEventArgs e)
         {
-            contextmenu_captureclipboard.Enabled = ClipboardHelper.ContainsImage();
+            using (var clipboardAccessToken = ClipboardNative.Access())
+            {
+                contextmenu_captureclipboard.Enabled = clipboardAccessToken.HasImage();
+            }
             contextmenu_capturelastregion.Enabled = _coreConfiguration.LastCapturedRegion != NativeRect.Empty;
 
             // IE context menu code

src/Greenshot/GreenshotAutofacModule.cs

@@ -95,6 +95,7 @@ namespace Greenshot
                 .RegisterAssemblyTypes(ThisAssembly)
                 .AssignableTo<IService>()
                 .As<IService>()
+                .AsImplementedInterfaces()
                 .SingleInstance();
             
             builder