Fix CS0206 when converting ReDim Preserve on a property

When `ReDim Preserve` is used on a property in VB.NET, the C# converter was generating `Array.Resize(ref Property, ...)` which causes CS0206 because properties cannot be passed as `ref` or `out`.

This change updates `MethodBodyExecutableStatementVisitor.cs` to detect when the target of `ReDim Preserve` is a property or member access. In such cases, it generates a temporary variable, assigns the property value to it, resizes the temporary variable using `ref`, and then assigns the temporary variable back to the property.

Example:
VB.NET:
```vb
Public Property NumArray1 As Integer()
...
ReDim Preserve NumArray1(4)
```

Converted C#:
```csharp
var argNumArray1 = NumArray1;
Array.Resize(ref argNumArray1, 5);
NumArray1 = argNumArray1;
```

This ensures valid C# code is generated.

Co-authored-by: GrahamTheCoder <2490482+GrahamTheCoder@users.noreply.github.com>

Author: google-labs-jules[bot]

CodeConverter/CSharp/MethodBodyExecutableStatementVisitor.cs

@@ -320,6 +320,14 @@ private async Task<SyntaxList<StatementSyntax>> ConvertRedimClauseAsync(VBSyntax
         var csTargetArrayExpression = await node.Expression.AcceptAsync<ExpressionSyntax>(_expressionVisitor);
         var convertedBounds = (await CommonConversions.ConvertArrayBoundsAsync(node.ArrayBounds)).Sizes.ToList();
         if (preserve && convertedBounds.Count == 1) {
+            if (node.Expression is VBSyntax.MemberAccessExpressionSyntax || node.Expression is VBSyntax.IdentifierNameSyntax identifier && _semanticModel.GetSymbolInfo(identifier).Symbol.IsKind(SymbolKind.Property)) {
+                var (tempVarDecl, tempVar) = CreateLocalVariableWithUniqueName(node.Expression, "arg" + csTargetArrayExpression.ToString().Split('.').Last(), csTargetArrayExpression);
+                var resizeArgs = new[] { (ExpressionSyntax)tempVar, convertedBounds.Single() }.CreateCsArgList(SyntaxKind.RefKeyword);
+                var resizeCall = SyntaxFactory.InvocationExpression(ValidSyntaxFactory.MemberAccess(nameof(Array), nameof(Array.Resize)), resizeArgs);
+                var assignment = SyntaxFactory.AssignmentExpression(SyntaxKind.SimpleAssignmentExpression, csTargetArrayExpression, tempVar);
+                return SyntaxFactory.List(new StatementSyntax[] { tempVarDecl, SyntaxFactory.ExpressionStatement(resizeCall), SyntaxFactory.ExpressionStatement(assignment) });
+            }
+
             var argumentList = new[] { csTargetArrayExpression, convertedBounds.Single() }.CreateCsArgList(SyntaxKind.RefKeyword);
             var arrayResize = SyntaxFactory.InvocationExpression(ValidSyntaxFactory.MemberAccess(nameof(Array), nameof(Array.Resize)), argumentList);
             return SingleStatement(arrayResize);

Tests/CSharp/StatementTests/RedimPreserveTests.cs

@@ -0,0 +1,33 @@
+using System.Threading.Tasks;
+using ICSharpCode.CodeConverter.Tests.TestRunners;
+using Xunit;
+
+namespace ICSharpCode.CodeConverter.Tests.CSharp.StatementTests;
+
+public class RedimPreserveTests : ConverterTestBase
+{
+    [Fact]
+    public async Task RedimPreserveOnPropertyAsync()
+    {
+        await TestConversionVisualBasicToCSharpAsync(
+            @"Public Class TestClass
+    Public Property NumArray1 As Integer()
+
+    Public Sub New()
+        ReDim Preserve NumArray1(4)
+    End Sub
+End Class", @"using System;
+
+public partial class TestClass
+{
+    public int[] NumArray1 { get; set; }
+
+    public TestClass()
+    {
+        var argNumArray1 = NumArray1;
+        Array.Resize(ref argNumArray1, 5);
+        NumArray1 = argNumArray1;
+    }
+}");
+    }
+}