implemented visual basic code generation support

RESW File Code Generator/ReswCodeGen.CustomTool/ReswFileCodeGenerator.cs

@@ -1,4 +1,5 @@
 using System;
+using System.CodeDom.Compiler;
 using System.Runtime.InteropServices;
 using System.Text;
 using System.Windows.Forms;
@@ -6,19 +7,20 @@ using Microsoft.VisualStudio.Shell.Interop;
 
 namespace ChristianHelle.DeveloperTools.CodeGenerators.Resw.CustomTool
 {
-    [Guid("98983F6D-BC77-46AC-BA5A-8D9E8763F0D2")]
-    [ComVisible(true)]
-    public class ReswFileCodeGenerator : IVsSingleFileGenerator
+    public abstract class ReswFileCodeGenerator : IVsSingleFileGenerator
     {
-        #region IVsSingleFileGenerator Members
+        private readonly CodeDomProvider codeDomProvider;
 
-        public int DefaultExtension(out string pbstrDefaultExtension)
+        protected ReswFileCodeGenerator(CodeDomProvider codeDomProvider)
         {
-            pbstrDefaultExtension = ".cs";
-            return 0;
+            this.codeDomProvider = codeDomProvider;
         }
 
-        public int Generate(string wszInputFilePath,
+        #region IVsSingleFileGenerator Members
+
+        public abstract int DefaultExtension(out string pbstrDefaultExtension);
+
+        public virtual int Generate(string wszInputFilePath,
                             string bstrInputFileContents,
                             string wszDefaultNamespace,
                             IntPtr[] rgbOutputFileContents,
@@ -28,11 +30,11 @@ namespace ChristianHelle.DeveloperTools.CodeGenerators.Resw.CustomTool
             try
             {
                 var factory = new CodeGeneratorFactory();
-                var codeGenerator = factory.Create(wszDefaultNamespace, bstrInputFileContents);
+                var codeGenerator = factory.Create(wszDefaultNamespace, bstrInputFileContents, codeDomProvider);
                 var code = codeGenerator.GenerateCode();
 
                 var data = Encoding.UTF8.GetBytes(code);
-                
+
                 rgbOutputFileContents[0] = Marshal.AllocCoTaskMem(data.Length);
                 Marshal.Copy(data, 0, rgbOutputFileContents[0], data.Length);