Use expression body for method

.editorconfig

@@ -263,3 +263,4 @@ dotnet_diagnostic.IDE0005.severity = warning
 # Enforce formatting https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/formatting-rules#rule-id-ide0055-fix-formatting
 dotnet_diagnostic.IDE0055.severity = error
 dotnet_diagnostic.IDE1006.severity = error
+dotnet_diagnostic.IDE0022.severity = error

QRCoder.Xaml/XamlQRCode.cs

@@ -15,9 +15,7 @@ public XamlQRCode() { }
     public XamlQRCode(QRCodeData data) : base(data) { }
 
     public DrawingImage GetGraphic(int pixelsPerModule)
-    {
-        return GetGraphic(pixelsPerModule, true);
-    }
+        => GetGraphic(pixelsPerModule, true);
 
     public DrawingImage GetGraphic(int pixelsPerModule, bool drawQuietZones)
     {
@@ -27,9 +25,7 @@ public DrawingImage GetGraphic(int pixelsPerModule, bool drawQuietZones)
     }
 
     public DrawingImage GetGraphic(Size viewBox, bool drawQuietZones = true)
-    {
-        return GetGraphic(viewBox, new SolidColorBrush(Colors.Black), new SolidColorBrush(Colors.White), drawQuietZones);
-    }
+        => GetGraphic(viewBox, new SolidColorBrush(Colors.Black), new SolidColorBrush(Colors.White), drawQuietZones);
 
     public DrawingImage GetGraphic(int pixelsPerModule, string darkColorHex, string lightColorHex, bool drawQuietZones = true)
     {
@@ -69,9 +65,7 @@ public DrawingImage GetGraphic(Size viewBox, Brush darkBrush, Brush lightBrush,
     }
 
     private int GetDrawableModulesCount(bool drawQuietZones = true)
-    {
-        return QrCodeData.ModuleMatrix.Count - (drawQuietZones ? 0 : 8);
-    }
+        => QrCodeData.ModuleMatrix.Count - (drawQuietZones ? 0 : 8);
 
     public double GetUnitsPerModule(Size viewBox, bool drawQuietZones = true)
     {

QRCoder/PayloadGenerator/SwissQrCode.cs

@@ -389,17 +389,13 @@ public Contact(string name, string country, string addressLine1, string addressL
             /// Creates a contact with structured address.
             /// </summary>
             public static Contact WithStructuredAddress(string name, string zipCode, string city, string country, string? street = null, string? houseNumber = null)
-            {
-                return new Contact(name, zipCode, city, country, street, houseNumber, AddressType.StructuredAddress);
-            }
+                => new Contact(name, zipCode, city, country, street, houseNumber, AddressType.StructuredAddress);
 
             /// <summary>
             /// Creates a contact with combined address.
             /// </summary>
             public static Contact WithCombinedAddress(string name, string country, string addressLine1, string addressLine2)
-            {
-                return new Contact(name, null, null, country, addressLine1, addressLine2, AddressType.CombinedAddress);
-            }
+                => new Contact(name, null, null, country, addressLine1, addressLine2, AddressType.CombinedAddress);
 
 
             private Contact(string name, string? zipCode, string? city, string country, string? streetOrAddressline1, string? houseNumberOrAddressline2, AddressType addressType)

QRCoder/QRCodeGenerator.cs

@@ -43,9 +43,7 @@ public QRCodeGenerator()
     /// <exception cref="QRCoder.Exceptions.DataTooLongException">Thrown when the payload is too big to be encoded in a QR code.</exception>
     /// <returns>Returns the raw QR code data which can be used for rendering.</returns>
     public QRCodeData CreateQrCode(PayloadGenerator.Payload payload)
-    {
-        return GenerateQrCode(payload);
-    }
+        => GenerateQrCode(payload);
 
     /// <summary>
     /// Calculates the QR code data which than can be used in one of the rendering classes to generate a graphical representation.
@@ -55,9 +53,7 @@ public QRCodeData CreateQrCode(PayloadGenerator.Payload payload)
     /// <exception cref="QRCoder.Exceptions.DataTooLongException">Thrown when the payload is too big to be encoded in a QR code.</exception>
     /// <returns>Returns the raw QR code data which can be used for rendering.</returns>
     public QRCodeData CreateQrCode(PayloadGenerator.Payload payload, ECCLevel eccLevel)
-    {
-        return GenerateQrCode(payload, eccLevel);
-    }
+        => GenerateQrCode(payload, eccLevel);
 
     /// <summary>
     /// Calculates the QR code data which than can be used in one of the rendering classes to generate a graphical representation.
@@ -71,9 +67,7 @@ public QRCodeData CreateQrCode(PayloadGenerator.Payload payload, ECCLevel eccLev
     /// <exception cref="QRCoder.Exceptions.DataTooLongException">Thrown when the payload is too big to be encoded in a QR code.</exception>
     /// <returns>Returns the raw QR code data which can be used for rendering.</returns>
     public QRCodeData CreateQrCode(string plainText, ECCLevel eccLevel, bool forceUtf8 = false, bool utf8BOM = false, EciMode eciMode = EciMode.Default, int requestedVersion = -1)
-    {
-        return GenerateQrCode(plainText, eccLevel, forceUtf8, utf8BOM, eciMode, requestedVersion);
-    }
+        => GenerateQrCode(plainText, eccLevel, forceUtf8, utf8BOM, eciMode, requestedVersion);
 
     /// <summary>
     /// Calculates the QR code data which than can be used in one of the rendering classes to generate a graphical representation.
@@ -83,9 +77,7 @@ public QRCodeData CreateQrCode(string plainText, ECCLevel eccLevel, bool forceUt
     /// <exception cref="QRCoder.Exceptions.DataTooLongException">Thrown when the payload is too big to be encoded in a QR code.</exception>
     /// <returns>Returns the raw QR code data which can be used for rendering.</returns>
     public QRCodeData CreateQrCode(byte[] binaryData, ECCLevel eccLevel)
-    {
-        return GenerateQrCode(binaryData, eccLevel);
-    }
+        => GenerateQrCode(binaryData, eccLevel);
 
 
     /// <summary>
@@ -95,9 +87,7 @@ public QRCodeData CreateQrCode(byte[] binaryData, ECCLevel eccLevel)
     /// <exception cref="QRCoder.Exceptions.DataTooLongException">Thrown when the payload is too big to be encoded in a QR code.</exception>
     /// <returns>Returns the raw QR code data which can be used for rendering.</returns>
     public static QRCodeData GenerateQrCode(PayloadGenerator.Payload payload)
-    {
-        return GenerateQrCode(payload.ToString(), payload.EccLevel, false, false, payload.EciMode, payload.Version);
-    }
+        => GenerateQrCode(payload.ToString(), payload.EccLevel, false, false, payload.EciMode, payload.Version);
 
     /// <summary>
     /// Calculates the QR code data which than can be used in one of the rendering classes to generate a graphical representation.
@@ -635,9 +625,7 @@ private static EncodingMode GetEncodingFromPlaintext(string plainText, bool forc
     /// Checks if a character falls within a specified range.
     /// </summary>
     private static bool IsInRange(char c, char min, char max)
-    {
-        return (uint)(c - min) <= (uint)(max - min);
-    }
+        => (uint)(c - min) <= (uint)(max - min);
 
     /// <summary>
     /// Calculates the message polynomial from a bit array which represents the encoded data.
@@ -1178,9 +1166,7 @@ int[] GetNotUniqueExponents(Polynom list)
     /// This is used in Reed-Solomon and other error correction calculations involving Galois fields.
     /// </summary>
     private static int GetIntValFromAlphaExp(int exp)
-    {
-        return _galoisFieldByExponentAlpha[exp];
-    }
+        => _galoisFieldByExponentAlpha[exp];
 
     /// <summary>
     /// Retrieves the exponent from the Galois field that corresponds to a given integer value.
@@ -1200,9 +1186,7 @@ private static int GetAlphaExpFromIntVal(int intVal)
     /// This is particularly necessary when performing multiplications in the field which can result in exponents exceeding the field's maximum.
     /// </summary>
     private static int ShrinkAlphaExp(int alphaExp)
-    {
-        return (int)((alphaExp % 256) + Math.Floor((double)(alphaExp / 256)));
-    }
+        => (int)((alphaExp % 256) + Math.Floor((double)(alphaExp / 256)));
 
     /// <summary>
     /// Creates a dictionary mapping alphanumeric characters to their respective positions used in QR code encoding.

QRCoder/QRCodeGenerator/ModulePlacer.MaskPattern.cs

@@ -27,72 +27,56 @@ private static class MaskPattern
             /// Applies a checkerboard mask on the QR code.
             /// </summary>
             public static bool Pattern1(int x, int y)
-            {
-                return (x + y) % 2 == 0;
-            }
+                => (x + y) % 2 == 0;
 
             /// <summary>
             /// Mask pattern 2: y % 2 == 0
             /// Applies a horizontal striping mask on the QR code.
             /// </summary>
             public static bool Pattern2(int x, int y)
-            {
-                return y % 2 == 0;
-            }
+                => y % 2 == 0;
 
             /// <summary>
             /// Mask pattern 3: x % 3 == 0
             /// Applies a vertical striping mask on the QR code.
             /// </summary>
             public static bool Pattern3(int x, int y)
-            {
-                return x % 3 == 0;
-            }
+                => x % 3 == 0;
 
             /// <summary>
             /// Mask pattern 4: (x + y) % 3 == 0
             /// Applies a diagonal striping mask on the QR code.
             /// </summary>
             public static bool Pattern4(int x, int y)
-            {
-                return (x + y) % 3 == 0;
-            }
+                => (x + y) % 3 == 0;
 
             /// <summary>
             /// Mask pattern 5: ((y / 2) + (x / 3)) % 2 == 0
             /// Applies a complex pattern mask on the QR code, mixing horizontal and vertical rules.
             /// </summary>
             public static bool Pattern5(int x, int y)
-            {
-                return ((int)(Math.Floor(y / 2d) + Math.Floor(x / 3d)) % 2) == 0;
-            }
+                => ((int)(Math.Floor(y / 2d) + Math.Floor(x / 3d)) % 2) == 0;
 
             /// <summary>
             /// Mask pattern 6: ((x * y) % 2 + (x * y) % 3) == 0
             /// Applies a mask based on the product of x and y coordinates modulo 2 and 3.
             /// </summary>
             public static bool Pattern6(int x, int y)
-            {
-                return ((x * y) % 2) + ((x * y) % 3) == 0;
-            }
+                => ((x * y) % 2) + ((x * y) % 3) == 0;
 
             /// <summary>
             /// Mask pattern 7: (((x * y) % 2 + (x * y) % 3) % 2) == 0
             /// Applies a mask based on a more complex function involving the product of x and y coordinates.
             /// </summary>
             public static bool Pattern7(int x, int y)
-            {
-                return (((x * y) % 2) + ((x * y) % 3)) % 2 == 0;
-            }
+                => (((x * y) % 2) + ((x * y) % 3)) % 2 == 0;
 
             /// <summary>
             /// Mask pattern 8: (((x + y) % 2) + ((x * y) % 3) % 2) == 0
             /// Combines rules of checkers and complex multiplicative masks.
             /// </summary>
             public static bool Pattern8(int x, int y)
-            {
-                return (((x + y) % 2) + ((x * y) % 3)) % 2 == 0;
-            }
+                => (((x + y) % 2) + ((x * y) % 3)) % 2 == 0;
 
             /// <summary>
             /// Calculates a penalty score for a QR code to evaluate the effectiveness of a mask pattern.

QRCoder/QRCodeGenerator/Polynom.cs

@@ -69,10 +69,7 @@ public PolynomItem this[int index]
 #if NET6_0_OR_GREATER
         [StackTraceHidden]
 #endif
-        private static void ThrowIndexOutOfRangeException()
-        {
-            throw new IndexOutOfRangeException();
-        }
+        private static void ThrowIndexOutOfRangeException() => throw new IndexOutOfRangeException();
 
 
         /// <summary>
@@ -83,10 +80,7 @@ private static void ThrowIndexOutOfRangeException()
         /// <summary>
         /// Removes all polynomial terms from the polynomial.
         /// </summary>
-        public void Clear()
-        {
-            Count = 0;
-        }
+        public void Clear() => Count = 0;
 
         /// <summary>
         /// Clones the polynomial, creating a new instance with the same polynomial terms.
@@ -207,17 +201,13 @@ private void AssertCapacity(int min)
         /// Rents memory for the polynomial terms from the shared memory pool.
         /// </summary>
         private static PolynomItem[] RentArray(int count)
-        {
-            return System.Buffers.ArrayPool<PolynomItem>.Shared.Rent(count);
-        }
+            => System.Buffers.ArrayPool<PolynomItem>.Shared.Rent(count);
 
         /// <summary>
         /// Returns memory allocated for the polynomial terms back to the shared memory pool.
         /// </summary>
         private static void ReturnArray(PolynomItem[] array)
-        {
-            System.Buffers.ArrayPool<PolynomItem>.Shared.Return(array);
-        }
+            => System.Buffers.ArrayPool<PolynomItem>.Shared.Return(array);
 #else
         // Implement a poor-man's array pool for .NET Framework
         [ThreadStatic]

QRCoderDemoUWP/App.xaml.cs

@@ -20,7 +20,7 @@ namespace QRCoderDemoUWP;
 /// <summary>
 /// Provides application-specific behavior to supplement the default Application class.
 /// </summary>
-internal sealed partial class App : Application
+public sealed partial class App : Application
 {
     /// <summary>
     /// Initializes the singleton application object.  This is the first line of authored code

QRCoderTests/Helpers/HelperFunctions.cs

@@ -103,7 +103,5 @@ public static string ByteArrayToHash(byte[] data)
     }
 
     public static string StringToHash(string data)
-    {
-        return ByteArrayToHash(Encoding.UTF8.GetBytes(data));
-    }
+        => ByteArrayToHash(Encoding.UTF8.GetBytes(data));
 }