more fixes for CA1416

mRemoteNG/App/Info/CredentialsFileInfo.cs

-namespace mRemoteNG.App.Info
+using System.Runtime.Versioning;
+
+namespace mRemoteNG.App.Info
 {
+    [SupportedOSPlatform("windows")]
     public class CredentialsFileInfo
     {
         public static readonly string CredentialsPath = SettingsFileInfo.SettingsPath;

mRemoteNG/Config/CredentialHarvester.cs

 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.Versioning;
 using System.Security;
 using System.Xml.Linq;
 using mRemoteNG.Credential;
@@ -9,6 +10,7 @@ using mRemoteNG.Security.Factories;
 
 namespace mRemoteNG.Config
 {
+    [SupportedOSPlatform("windows")]
     public class CredentialHarvester
     {
         private readonly IEqualityComparer<ICredentialRecord> _credentialComparer = new CredentialDomainUserComparer();

mRemoteNG/Config/Import/PuttyConnectionManagerImporter.cs

 using System.Linq;
+using System.Runtime.Versioning;
 using mRemoteNG.Config.DataProviders;
 using mRemoteNG.Config.Serializers.MiscSerializers;
 using mRemoteNG.Container;
@@ -6,6 +7,7 @@ using mRemoteNG.Container;
 
 namespace mRemoteNG.Config.Import
 {
+    [SupportedOSPlatform("windows")]
     public class PuttyConnectionManagerImporter : IConnectionImporter<string>
     {
         public void Import(string filePath, ContainerInfo destinationContainer)

mRemoteNG/Config/Import/RemoteDesktopConnectionImporter.cs

 using System.IO;
 using System.Linq;
+using System.Runtime.Versioning;
 using mRemoteNG.Config.DataProviders;
 using mRemoteNG.Config.Serializers.MiscSerializers;
 using mRemoteNG.Container;
@@ -7,6 +8,7 @@ using mRemoteNG.Container;
 
 namespace mRemoteNG.Config.Import
 {
+    [SupportedOSPlatform("windows")]
     public class RemoteDesktopConnectionImporter : IConnectionImporter<string>
     {
         public void Import(string fileName, ContainerInfo destinationContainer)

mRemoteNG/Config/Serializers/ConnectionSerializers/Xml/XmlConnectionNodeSerializer26.cs

 using System;
+using System.Runtime.Versioning;
 using System.Security;
 using System.Xml.Linq;
 using mRemoteNG.Connection;
@@ -7,6 +8,7 @@ using mRemoteNG.Security;
 
 namespace mRemoteNG.Config.Serializers.ConnectionSerializers.Xml
 {
+    [SupportedOSPlatform("windows")]
     // ReSharper disable once InconsistentNaming
     public class XmlConnectionNodeSerializer26 : ISerializer<ConnectionInfo, XElement>
     {

mRemoteNG/Config/Serializers/ConnectionSerializers/Xml/XmlConnectionsDocumentCompiler.cs

 using System;
 using System.Linq;
+using System.Runtime.Versioning;
 using System.Security;
 using System.Xml.Linq;
 using mRemoteNG.Connection;
@@ -10,6 +11,7 @@ using mRemoteNG.Tree.Root;
 
 namespace mRemoteNG.Config.Serializers.ConnectionSerializers.Xml
 {
+    [SupportedOSPlatform("windows")]
     public class XmlConnectionsDocumentCompiler
     {
         private readonly ICryptographyProvider _cryptographyProvider;

mRemoteNG/Config/Serializers/CredentialProviderSerializer/CredentialRepositoryListDeserializer.cs

 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.Versioning;
 using System.Xml.Linq;
 using mRemoteNG.Credential;
 using mRemoteNG.Credential.Repositories;
 
 namespace mRemoteNG.Config.Serializers.CredentialProviderSerializer
 {
+    [SupportedOSPlatform("windows")]
     public class CredentialRepositoryListDeserializer
     {
         private readonly ISecureSerializer<IEnumerable<ICredentialRecord>, string> _serializer;

mRemoteNG/Config/Serializers/CredentialSerializer/XmlCredentialPasswordDecryptorDecorator.cs

 using System;
 using System.Collections.Generic;
+using System.Runtime.Versioning;
 using System.Security;
 using System.Xml.Linq;
 using mRemoteNG.Credential;
@@ -8,6 +9,7 @@ using mRemoteNG.Security.Factories;
 
 namespace mRemoteNG.Config.Serializers.CredentialSerializer
 {
+    [SupportedOSPlatform("windows")]
     public class XmlCredentialPasswordDecryptorDecorator : ISecureDeserializer<string, IEnumerable<ICredentialRecord>>
     {
         private readonly IDeserializer<string, IEnumerable<ICredentialRecord>> _baseDeserializer;

mRemoteNG/Config/Serializers/MiscSerializers/PuttyConnectionManagerDeserializer.cs

 using System;
 using System.IO;
+using System.Runtime.Versioning;
 using System.Xml;
 using mRemoteNG.Connection;
 using mRemoteNG.Connection.Protocol;
@@ -9,6 +10,7 @@ using mRemoteNG.Tree.Root;
 
 namespace mRemoteNG.Config.Serializers.MiscSerializers
 {
+    [SupportedOSPlatform("windows")]
     public class PuttyConnectionManagerDeserializer : IDeserializer<string, ConnectionTreeModel>
     {
         public ConnectionTreeModel Deserialize(string puttycmConnectionsXml)

mRemoteNG/Config/Serializers/MiscSerializers/RemoteDesktopConnectionDeserializer.cs

 using System;
+using System.Runtime.Versioning;
 using mRemoteNG.Connection;
 using mRemoteNG.Connection.Protocol.RDP;
 using mRemoteNG.Tree;
@@ -6,6 +7,7 @@ using mRemoteNG.Tree.Root;
 
 namespace mRemoteNG.Config.Serializers.MiscSerializers
 {
+    [SupportedOSPlatform("windows")]
     public class RemoteDesktopConnectionDeserializer : IDeserializer<string, ConnectionTreeModel>
     {
         // .rdp file schema: https://technet.microsoft.com/en-us/library/ff393699(v=ws.10).aspx

mRemoteNG/Config/Serializers/XmlConnectionsDecryptor.cs

 using System;
+using System.Runtime.Versioning;
 using System.Security;
 using mRemoteNG.Security;
 using mRemoteNG.Security.Authentication;
@@ -9,6 +10,7 @@ using mRemoteNG.Tree.Root;
 
 namespace mRemoteNG.Config.Serializers
 {
+    [SupportedOSPlatform("windows")]
     public class XmlConnectionsDecryptor
     {
         private readonly ICryptographyProvider _cryptographyProvider;

mRemoteNG/Credential/Repositories/XmlCredentialRepositoryFactory.cs

 using System;
 using System.Collections.Generic;
+using System.Runtime.Versioning;
 using System.Xml.Linq;
 using mRemoteNG.Config;
 using mRemoteNG.Config.DataProviders;
@@ -7,6 +8,7 @@ using mRemoteNG.Config.Serializers;
 
 namespace mRemoteNG.Credential.Repositories
 {
+    [SupportedOSPlatform("windows")]
     public class XmlCredentialRepositoryFactory
     {
         private readonly ISecureSerializer<IEnumerable<ICredentialRecord>, string> _serializer;

mRemoteNG/Security/Factories/CryptoProviderFactoryFromXml.cs

 using System;
+using System.Runtime.Versioning;
 using System.Xml.Linq;
 using mRemoteNG.Security.SymmetricEncryption;
 
 namespace mRemoteNG.Security.Factories
 {
+    [SupportedOSPlatform("windows")]
     public class CryptoProviderFactoryFromXml : ICryptoProviderFactory
     {
         private readonly XElement _element;

mRemoteNG/Themes/MremoteNGThemeBase.cs

@@ -25,10 +25,7 @@ namespace mRemoteNG.Themes
 
     public class MremoteDockPaneStripFactory : DockPanelExtender.IDockPaneStripFactory
     {
-        public DockPaneStripBase CreateDockPaneStrip(DockPane pane)
-        {
-            return new DockPaneStripNG(pane);
-        }
+        public DockPaneStripBase CreateDockPaneStrip(DockPane pane) => new DockPaneStripNG(pane);
     }
 
     public class MremoteFloatWindowFactory : DockPanelExtender.IFloatWindowFactory

mRemoteNG/Tree/SelectedConnectionDeletionConfirmer.cs

@@ -3,10 +3,11 @@ using mRemoteNG.Container;
 using System;
 using System.Windows.Forms;
 using mRemoteNG.Resources.Language;
-
+using System.Runtime.Versioning;
 
 namespace mRemoteNG.Tree
 {
+    [SupportedOSPlatform("windows")]
     public class SelectedConnectionDeletionConfirmer : IConfirm<ConnectionInfo>
     {
         private readonly Func<string, DialogResult> _confirmationFunc;

mRemoteNG/UI/Controls/ConnectionTree/NameColumn.cs

 using BrightIdeasSoftware;
 using mRemoteNG.Connection;
+using System.Runtime.Versioning;
 
 namespace mRemoteNG.UI.Controls.ConnectionTree
 {
+    [SupportedOSPlatform("windows")]
     public class NameColumn : OLVColumn
     {
         public NameColumn(ImageGetterDelegate imageGetterDelegate)

mRemoteNG/UI/TaskDialog/cTaskDialog.cs

@@ -39,13 +39,8 @@ namespace mRemoteNG.UI.TaskDialog
         public static EventHandler OnTaskDialogShown = null;
         public static EventHandler OnTaskDialogClosed = null;
 
-        //--------------------------------------------------------------------------------
-
-        //--------------------------------------------------------------------------------
-
-        #region ShowTaskDialogBox
+        #region [ShowTaskDialogBox]
 
-        //--------------------------------------------------------------------------------
         public static DialogResult ShowTaskDialogBox(IWin32Window owner, string title, string mainInstruction, string content, string expandedInfo, string footer, string verificationText, string radioButtons, string commandButtons, ETaskDialogButtons buttons, ESysIcons mainIcon, ESysIcons footerIcon, int defaultIndex)
         {
             DialogResult result;
@@ -115,11 +110,7 @@ namespace mRemoteNG.UI.TaskDialog
 
         #endregion
 
-        //--------------------------------------------------------------------------------
-
-        #region MessageBox
-
-        //--------------------------------------------------------------------------------
+        #region [MessageBox]
         public static DialogResult MessageBox(IWin32Window owner, string title, string mainInstruction, string content, string expandedInfo, string footer, string verificationText, ETaskDialogButtons buttons, ESysIcons mainIcon, ESysIcons footerIcon)
         {
             return ShowTaskDialogBox(owner, title, mainInstruction, content, expandedInfo, footer, verificationText, "", "", buttons, mainIcon, footerIcon);
@@ -149,20 +140,10 @@ namespace mRemoteNG.UI.TaskDialog
 
         //--------------------------------------------------------------------------------
 
-        #region ShowRadioBox
+        #region [ShowRadioBox]
 
         //--------------------------------------------------------------------------------
-        public static int ShowRadioBox(IWin32Window owner,
-                                       string title,
-                                       string mainInstruction,
-                                       string content,
-                                       string expandedInfo,
-                                       string footer,
-                                       string verificationText,
-                                       string radioButtons,
-                                       ESysIcons mainIcon,
-                                       ESysIcons footerIcon,
-                                       int defaultIndex)
+        public static int ShowRadioBox(IWin32Window owner, string title, string mainInstruction, string content, string expandedInfo, string footer, string verificationText, string radioButtons, ESysIcons mainIcon, ESysIcons footerIcon, int defaultIndex)
         {
             var res = ShowTaskDialogBox(owner, title, mainInstruction, content, expandedInfo, footer, verificationText, radioButtons, "", ETaskDialogButtons.OkCancel, mainIcon, footerIcon, defaultIndex);
             if (res == DialogResult.OK)
@@ -173,16 +154,7 @@ namespace mRemoteNG.UI.TaskDialog
         //--------------------------------------------------------------------------------
         // Overloaded versions...
         //--------------------------------------------------------------------------------
-        public static int ShowRadioBox(string title,
-                                       string mainInstruction,
-                                       string content,
-                                       string expandedInfo,
-                                       string footer,
-                                       string verificationText,
-                                       string radioButtons,
-                                       ESysIcons mainIcon,
-                                       ESysIcons footerIcon,
-                                       int defaultIndex)
+        public static int ShowRadioBox(string title, string mainInstruction, string content, string expandedInfo, string footer, string verificationText, string radioButtons, ESysIcons mainIcon, ESysIcons footerIcon, int defaultIndex)
         {
             var res = ShowTaskDialogBox(null, title, mainInstruction, content, expandedInfo, footer, verificationText, radioButtons, "", ETaskDialogButtons.OkCancel, mainIcon, footerIcon, defaultIndex);
             if (res == DialogResult.OK)
@@ -190,43 +162,22 @@ namespace mRemoteNG.UI.TaskDialog
             return -1;
         }
 
-        public static int ShowRadioBox(IWin32Window owner,
-                                       string title,
-                                       string mainInstruction,
-                                       string content,
-                                       string expandedInfo,
-                                       string footer,
-                                       string verificationText,
-                                       string radioButtons,
-                                       ESysIcons mainIcon,
-                                       ESysIcons footerIcon)
+        public static int ShowRadioBox(IWin32Window owner, string title, string mainInstruction, string content, string expandedInfo, string footer, string verificationText, string radioButtons, ESysIcons mainIcon, ESysIcons footerIcon)
         {
             return ShowRadioBox(owner, title, mainInstruction, content, expandedInfo, footer, verificationText, radioButtons, ESysIcons.Question, ESysIcons.Information, 0);
         }
 
-        public static int ShowRadioBox(IWin32Window owner,
-                                       string title,
-                                       string mainInstruction,
-                                       string content,
-                                       string radioButtons,
-                                       int defaultIndex)
+        public static int ShowRadioBox(IWin32Window owner, string title, string mainInstruction, string content, string radioButtons, int defaultIndex)
         {
             return ShowRadioBox(owner, title, mainInstruction, content, "", "", "", radioButtons, ESysIcons.Question, ESysIcons.Information, defaultIndex);
         }
 
-        public static int ShowRadioBox(IWin32Window owner,
-                                       string title,
-                                       string mainInstruction,
-                                       string content,
-                                       string radioButtons)
+        public static int ShowRadioBox(IWin32Window owner, string title, string mainInstruction, string content, string radioButtons)
         {
             return ShowRadioBox(owner, title, mainInstruction, content, "", "", "", radioButtons, ESysIcons.Question, ESysIcons.Information, 0);
         }
 
-        public static int ShowRadioBox(string title,
-                                       string mainInstruction,
-                                       string content,
-                                       string radioButtons)
+        public static int ShowRadioBox(string title, string mainInstruction, string content, string radioButtons)
         {
             return ShowRadioBox(null, title, mainInstruction, content, "", "", "", radioButtons, ESysIcons.Question, ESysIcons.Information, 0);
         }
@@ -238,22 +189,9 @@ namespace mRemoteNG.UI.TaskDialog
         #region ShowCommandBox
 
         //--------------------------------------------------------------------------------
-        public static int ShowCommandBox(IWin32Window owner,
-                                         string title,
-                                         string mainInstruction,
-                                         string content,
-                                         string expandedInfo,
-                                         string footer,
-                                         string verificationText,
-                                         string commandButtons,
-                                         bool showCancelButton,
-                                         ESysIcons mainIcon,
-                                         ESysIcons footerIcon)
+        public static int ShowCommandBox(IWin32Window owner, string title, string mainInstruction, string content, string expandedInfo, string footer, string verificationText,string commandButtons, bool showCancelButton, ESysIcons mainIcon, ESysIcons footerIcon)
         {
-            var res = ShowTaskDialogBox(owner, title, mainInstruction, content, expandedInfo, footer, verificationText,
-                                        "", commandButtons,
-                                        showCancelButton ? ETaskDialogButtons.Cancel : ETaskDialogButtons.None,
-                                        mainIcon, footerIcon);
+            var res = ShowTaskDialogBox(owner, title, mainInstruction, content, expandedInfo, footer, verificationText, "", commandButtons, showCancelButton ? ETaskDialogButtons.Cancel : ETaskDialogButtons.None, mainIcon, footerIcon);
             if (res == DialogResult.OK)
                 return CommandButtonResult;
             return -1;
@@ -262,32 +200,15 @@ namespace mRemoteNG.UI.TaskDialog
         //--------------------------------------------------------------------------------
         // Overloaded versions...
         //--------------------------------------------------------------------------------
-        public static int ShowCommandBox(string title,
-                                         string mainInstruction,
-                                         string content,
-                                         string expandedInfo,
-                                         string footer,
-                                         string verificationText,
-                                         string commandButtons,
-                                         bool showCancelButton,
-                                         ESysIcons mainIcon,
-                                         ESysIcons footerIcon)
+        public static int ShowCommandBox(string title, string mainInstruction, string content, string expandedInfo, string footer, string verificationText, string commandButtons, bool showCancelButton, ESysIcons mainIcon, ESysIcons footerIcon)
         {
-            var res = ShowTaskDialogBox(null, title, mainInstruction, content, expandedInfo, footer, verificationText,
-                                        "", commandButtons,
-                                        showCancelButton ? ETaskDialogButtons.Cancel : ETaskDialogButtons.None,
-                                        mainIcon, footerIcon);
+            var res = ShowTaskDialogBox(null, title, mainInstruction, content, expandedInfo, footer, verificationText,"", commandButtons, showCancelButton ? ETaskDialogButtons.Cancel : ETaskDialogButtons.None, mainIcon, footerIcon);
             if (res == DialogResult.OK)
                 return CommandButtonResult;
             return -1;
         }
 
-        public static int ShowCommandBox(IWin32Window owner,
-                                         string title,
-                                         string mainInstruction,
-                                         string content,
-                                         string commandButtons,
-                                         bool showCancelButton)
+        public static int ShowCommandBox(IWin32Window owner, string title, string mainInstruction, string content, string commandButtons, bool showCancelButton)
         {
             return ShowCommandBox(owner, title, mainInstruction, content, "", "", "", commandButtons, showCancelButton, ESysIcons.Question, ESysIcons.Information);
         }