Amend

Author: JohanLarsson

WpfAnalyzers/Helpers/EventManager.cs

@@ -110,10 +110,14 @@ internal AddHandler(InvocationExpressionSyntax invocation, IMethodSymbol target)
             this.Target = target;
         }
 
+        internal ArgumentSyntax EventArgument => this.Invocation.ArgumentList.Arguments[0];
+
+        internal ArgumentSyntax DelegateArgument => this.Invocation.ArgumentList.Arguments[1];
+
         internal static AddHandler? Match(InvocationExpressionSyntax invocation, SemanticModel semanticModel, CancellationToken cancellationToken)
         {
             if (invocation is { ArgumentList.Arguments: { } arguments } &&
-                (arguments.Count == 2 || arguments.Count == 3) &&
+                arguments.Count is 2 or 3 &&
                 invocation.TryGetMethodName(out var name) &&
                 name == "AddHandler" &&
                 semanticModel.TryGetSymbol(invocation, cancellationToken, out var method) &&
@@ -138,6 +142,10 @@ internal RemoveHandler(InvocationExpressionSyntax invocation, IMethodSymbol targ
             this.Target = target;
         }
 
+        internal ArgumentSyntax EventArgument => this.Invocation.ArgumentList.Arguments[0];
+
+        internal ArgumentSyntax DelegateArgument => this.Invocation.ArgumentList.Arguments[1];
+
         internal static RemoveHandler? Match(InvocationExpressionSyntax invocation, SemanticModel semanticModel, CancellationToken cancellationToken)
         {
             if (invocation is { ArgumentList.Arguments.Count: 2 } &&