add methods

src/ProxyInterfaceSourceGenerator/Extensions/SymbolExtensions.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Text;
 using Microsoft.CodeAnalysis;
 
 namespace ProxyInterfaceSourceGenerator.Extensions
@@ -13,6 +14,14 @@ namespace ProxyInterfaceSourceGenerator.Extensions
             return $"{property.Type} {property.Name} {{ {get}{set}}}";
         }
 
+        public static string ToProxyCode(this IPropertySymbol property)
+        {
+            string get = property.GetMethod != null ? $"get => _instance.{property.Name}; " : string.Empty;
+            string set = property.SetMethod != null ? $"set => _instance.{property.Name} = value; " : string.Empty;
+
+            return $"{property.Type} {property.Name} {{ {get}{set}}}";
+        }
+
         public static string ToCode(this IMethodSymbol method)
         {
             var parameters = new List<string>();
@@ -21,7 +30,18 @@ namespace ProxyInterfaceSourceGenerator.Extensions
                 parameters.Add($"{ps.Type} {ps.Name}");
             }
 
-            return $"{method.ReturnType} {method.Name}({string.Join(", ", parameters)});";
+            return $"{method.ReturnType} {method.Name}({string.Join(", ", parameters)})";
+        }
+
+        public static string ToProxyCode(this IMethodSymbol method)
+        {
+            var parameters = new List<string>();
+            foreach (var ps in method.Parameters)
+            {
+                parameters.Add($"{ps.Name}");
+            }
+
+            return $"{method.ToCode()} => _instance.{method.Name}({string.Join(", ", parameters)});";
         }
     }
 }