added text files preview.

Strings/guiStrings.Designer.cs

@@ -1,7 +1,7 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
 //     This code was generated by a tool.
-//     Runtime Version:4.0.30319.18444
+//     Runtime Version:4.0.30319.34209
 //
 //     Changes to this file may cause incorrect behavior and will be lost if
 //     the code is regenerated.
@@ -312,6 +312,15 @@ namespace GARbro.GUI.Strings {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Encoding.
+        /// </summary>
+        public static string LabelEncoding {
+            get {
+                return ResourceManager.GetString("LabelEncoding", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Extract files from {0} to.
         /// </summary>

Strings/guiStrings.resx

@@ -396,4 +396,7 @@ Overwrite?</value>
   <data name="TextImageConvertError" xml:space="preserve">
     <value>Image conversion error</value>
   </data>
+  <data name="LabelEncoding" xml:space="preserve">
+    <value>Encoding</value>
+  </data>
 </root>

Strings/guiStrings.ru-RU.resx

@@ -411,4 +411,7 @@
   <data name="TextImageConvertError" xml:space="preserve">
     <value>Ошибка конверсии изображения</value>
   </data>
+  <data name="LabelEncoding" xml:space="preserve">
+    <value>Кодировка</value>
+  </data>
 </root>