Misc cleanup

QRCoder/PayloadGenerator/SlovenianUpnQr.cs

@@ -114,7 +114,7 @@ public SlovenianUpnQr(string payerName, string payerAddress, string payerPlace,
         private string FormatAmount(double amount)
         {
             int _amt = (int)Math.Round(amount * 100.0);
-            return String.Format("{0:00000000000}", _amt);
+            return string.Format("{0:00000000000}", _amt);
         }
 
         /// <summary>

QRCoder/QRCodeGenerator/Polynom.cs

@@ -111,9 +111,7 @@ public void Sort(Func<PolynomItem, PolynomItem, int> comparer)
             if (comparer == null)
                 throw new ArgumentNullException(nameof(comparer));
 
-            var items = _polyItems;
-            if (items == null)
-                throw new ObjectDisposedException(nameof(Polynom));
+            var items = _polyItems ?? throw new ObjectDisposedException(nameof(Polynom));
 
             if (Count <= 1)
             {

QRCoderConsole/Program.cs

@@ -11,16 +11,17 @@ namespace QRCoderConsole;
 
 #if NET6_0_WINDOWS
 [System.Runtime.Versioning.SupportedOSPlatform("windows")]
+internal
 #endif
-class MainClass
+internal class MainClass
 {
     public static void Main(string[] args)
     {
         var friendlyName = AppDomain.CurrentDomain.FriendlyName;
         var newLine = Environment.NewLine;
         var setter = new OptionSetter();
 
-        String fileName = null, outputFileName = null, payload = null;
+        string fileName = null, outputFileName = null, payload = null;
 
         var eccLevel = QRCodeGenerator.ECCLevel.L;
         var imageFormat = SupportedImageFormat.Png;
@@ -39,7 +40,7 @@ public static void Main(string[] args)
             },
             {   "f|output-format=",
                 $"Image format for outputfile. Possible values: {string.Join(", ", Enum.GetNames(typeof(SupportedImageFormat)))} (default: png)",
-                value => { Enum.TryParse(value, true, out imageFormat); }
+                value => Enum.TryParse(value, true, out imageFormat)
             },
             {
                 "i|in=",
@@ -229,9 +230,8 @@ public class OptionSetter
 {
     public QRCodeGenerator.ECCLevel GetECCLevel(string value)
     {
-        QRCodeGenerator.ECCLevel level;
 
-        Enum.TryParse(value, out level);
+        Enum.TryParse(value, out QRCodeGenerator.ECCLevel level);
 
         return level;
     }

QRCoderDemo/Form1.cs

@@ -59,10 +59,12 @@ private Bitmap GetIconBitmap()
 
     private void selectIconBtn_Click(object sender, EventArgs e)
     {
-        var openFileDlg = new OpenFileDialog();
-        openFileDlg.Title = "Select icon";
-        openFileDlg.Multiselect = false;
-        openFileDlg.CheckFileExists = true;
+        var openFileDlg = new OpenFileDialog
+        {
+            Title = "Select icon",
+            Multiselect = false,
+            CheckFileExists = true
+        };
         if (openFileDlg.ShowDialog() == System.Windows.Forms.DialogResult.OK)
         {
             iconPath.Text = openFileDlg.FileName;
@@ -82,9 +84,11 @@ private void btn_save_Click(object sender, EventArgs e)
     {
 
         // Displays a SaveFileDialog so the user can save the Image
-        var saveFileDialog1 = new SaveFileDialog();
-        saveFileDialog1.Filter = "Bitmap Image|*.bmp|PNG Image|*.png|JPeg Image|*.jpg|Gif Image|*.gif";
-        saveFileDialog1.Title = "Save an Image File";
+        var saveFileDialog1 = new SaveFileDialog
+        {
+            Filter = "Bitmap Image|*.bmp|PNG Image|*.png|JPeg Image|*.jpg|Gif Image|*.gif",
+            Title = "Save an Image File"
+        };
         saveFileDialog1.ShowDialog();
 
         // If the file name is not an empty string open it for saving.
@@ -109,11 +113,6 @@ private void btn_save_Click(object sender, EventArgs e)
         }
     }
 
-    public void ExportToBmp(string path)
-    {
-
-    }
-
     private void textBoxQRCode_TextChanged(object sender, EventArgs e)
     {
         RenderQrCode();

QRCoderDemo/Program.cs

@@ -5,13 +5,13 @@
 
 namespace QRCoderDemo;
 
-static class Program
+internal static class Program
 {
     /// <summary>
     /// Der Haupteinstiegspunkt für die Anwendung.
     /// </summary>
     [STAThread]
-    static void Main()
+    private static void Main()
     {
         Application.EnableVisualStyles();
         Application.SetCompatibleTextRenderingDefault(false);

QRCoderDemoUWP/App.xaml.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
@@ -20,7 +20,7 @@ namespace QRCoderDemoUWP
     /// <summary>
     /// Provides application-specific behavior to supplement the default Application class.
     /// </summary>
-    sealed partial class App : Application
+    internal sealed partial class App : Application
     {
         /// <summary>
         /// Initializes the singleton application object.  This is the first line of authored code
@@ -45,11 +45,10 @@ protected override void OnLaunched(LaunchActivatedEventArgs e)
                 DebugSettings.EnableFrameRateCounter = true;
             }
 #endif
-            var rootFrame = Window.Current.Content as Frame;
 
             // Do not repeat app initialization when the Window already has content,
             // just ensure that the window is active
-            if (rootFrame == null)
+            if (!(Window.Current.Content is Frame rootFrame))
             {
                 // Create a Frame to act as the navigation context and navigate to the first page
                 rootFrame = new Frame();
@@ -84,7 +83,7 @@ protected override void OnLaunched(LaunchActivatedEventArgs e)
         /// </summary>
         /// <param name="sender">The Frame which failed navigation</param>
         /// <param name="e">Details about the navigation failure</param>
-        void OnNavigationFailed(object sender, NavigationFailedEventArgs e)
+        private void OnNavigationFailed(object sender, NavigationFailedEventArgs e)
         {
             throw new Exception("Failed to load Page " + e.SourcePageType.FullName);
         }

QRCoderTests/Helpers/CategoryDiscoverer.cs

@@ -12,7 +12,9 @@ namespace QRCoderTests.Helpers.XUnitExtenstions;
 [AttributeUsage(AttributeTargets.Method, AllowMultiple = true)]
 public class CategoryAttribute : Attribute
 {
+#pragma warning disable IDE0060 // Remove unused parameter
     public CategoryAttribute(string category) { }
+#pragma warning restore IDE0060 // Remove unused parameter
 }
 #else
 public class CategoryDiscoverer : ITraitDiscoverer