Fixed compatibility with .NET Standard 2.0.

Source/QuestPDF/CompatibilitySuppressions.xml

@@ -1,16 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- https://learn.microsoft.com/en-us/dotnet/fundamentals/package-validation/diagnostic-ids -->
-<Suppressions xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:QuestPDF.Fluent.ElementExtensions.Element(QuestPDF.Infrastructure.IContainer,System.Action{QuestPDF.Infrastructure.IContainer},System.String,System.String,System.Int32)</Target>
-    <Left>lib/netstandard2.0/QuestPDF.dll</Left>
-    <Right>lib/net6.0/QuestPDF.dll</Right>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:QuestPDF.Fluent.ElementExtensions.Element(QuestPDF.Infrastructure.IContainer,System.Func{QuestPDF.Infrastructure.IContainer,QuestPDF.Infrastructure.IContainer},System.String,System.String,System.Int32)</Target>
-    <Left>lib/netstandard2.0/QuestPDF.dll</Left>
-    <Right>lib/net6.0/QuestPDF.dll</Right>
-  </Suppression>
-</Suppressions>

Source/QuestPDF/Fluent/ElementExtensions.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Net.Mime;
 using System.Runtime.CompilerServices;
 using QuestPDF.Drawing.Exceptions;
 using QuestPDF.Elements;
@@ -50,18 +49,12 @@ namespace QuestPDF.Fluent
         /// <param name="handler">A delegate that takes the current container and populates it with content.</param>
         public static void Element(
             this IContainer parent, 
-            Action<IContainer> handler, 
-#if NETCOREAPP3_0_OR_GREATER
+            Action<IContainer> handler,
             [CallerArgumentExpression("handler")] string handlerName = null,
-#endif
             [CallerMemberName] string parentName = "",
             [CallerFilePath] string sourceFilePath = "",
             [CallerLineNumber] int sourceLineNumber = 0)
         {
-#if !NETCOREAPP3_0_OR_GREATER
-            const string handlerName = "Unknown function";
-#endif
-            
             var handlerContainer = parent
                 .Container()
                 .Element(new SourceCodePointer
@@ -88,17 +81,11 @@ namespace QuestPDF.Fluent
         public static IContainer Element(
             this IContainer parent, 
             Func<IContainer, IContainer> handler,
-#if NETCOREAPP3_0_OR_GREATER
             [CallerArgumentExpression("handler")] string handlerName = null,
-#endif
             [CallerMemberName] string parentName = "",
             [CallerFilePath] string sourceFilePath = "",
             [CallerLineNumber] int sourceLineNumber = 0)
         {
-#if !NETCOREAPP3_0_OR_GREATER
-            const string handlerName = "Unknown function";
-#endif
-            
             var handlerContainer = parent
                 .Element(new SourceCodePointer
                 {

Source/QuestPDF/Helpers/CallerArgumentExpression.cs

@@ -0,0 +1,17 @@
+#if !NET6_0_OR_GREATER
+
+namespace System.Runtime.CompilerServices
+{
+    [AttributeUsage(AttributeTargets.Parameter, AllowMultiple = false, Inherited = false)]
+    internal sealed class CallerArgumentExpressionAttribute : Attribute
+    {
+        public CallerArgumentExpressionAttribute(string parameterName)
+        {
+            ParameterName = parameterName;
+        }
+
+        public string ParameterName { get; }
+    }
+}
+
+#endif

Source/QuestPDF/Resources/ReleaseNotes.txt

@@ -24,3 +24,4 @@ Bug Fixes:
 
 Version 2024.6.1
 - Text element: improved the default sizing behavior for the Text element. Now, when the text is empty, it works more consistently by taking up zero width while still reserving vertical space based on the font size.
+- Fixed compatibility with .NET Standard 2.0.