Add BlockGenerator.NeedsNewLine helper property.

src/Generator/Utils/BlockGenerator.cs

@@ -209,6 +209,12 @@ namespace CppSharp
             Text.NeedNewLine();
         }
 
+        public bool NeedsNewLine
+        {
+            get => Text.NeedsNewLine;
+            set => Text.NeedsNewLine = value;
+        }
+
         public void ResetNewLine()
         {
             Text.ResetNewLine();
@@ -369,6 +375,12 @@ namespace CppSharp
             ActiveBlock.NeedNewLine();
         }
 
+        public bool NeedsNewLine
+        {
+            get => ActiveBlock.NeedsNewLine;
+            set => ActiveBlock.NeedsNewLine = value;
+        }
+
         public void ResetNewLine()
         {
             ActiveBlock.ResetNewLine();

src/Generator/Utils/TextGenerator.cs

@@ -5,6 +5,7 @@ namespace CppSharp
 {
     public interface ITextGenerator
     {
+        bool NeedsNewLine { get; set; }
         void Write(string msg, params object[] args);
         void WriteLine(string msg, params object[] args);
         void WriteLineIndent(string msg, params object[] args);