ToAscii extension in unsafe content

Author: miclat97

QuickViewFile/Extensions/StringExtension.cs

@@ -1,16 +1,24 @@
 using System.Text;
 
-namespace QuickViewFile.Extensions
+namespace System
 {
     public static class StringExtension
     {
         private static readonly ASCIIEncoding asciiEncoding = new ASCIIEncoding();
 
-        public static string ToAscii(this string dirty)
+        public unsafe static string ToAscii(this string dirty)
         {
-            byte[] bytes = asciiEncoding.GetBytes(dirty);
-            string clean = asciiEncoding.GetString(bytes);
-            return clean;
+            fixed (char* p = dirty)
+            {
+                for (int i = 0; i < dirty.Length; i++)
+                {
+                    if (p[i] > 127) // If character is non-ASCII
+                    {
+                        p[i] = ' ';
+                    }
+                }
+            }
+            return dirty;
         }
     }
 }

QuickViewFile/QuickViewFile.csproj

@@ -9,6 +9,7 @@
     <Version>1.6.0.0</Version>
     <ApplicationIcon>QuickViewFile.ico</ApplicationIcon>
     <SupportedOSPlatformVersion>7.0</SupportedOSPlatformVersion>
+    <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">

QuickViewFile/ViewModel/FilesListViewModel.cs

@@ -1,5 +1,4 @@
-using QuickViewFile.Extensions;
-using QuickViewFile.Helpers;
+using QuickViewFile.Helpers;
 using QuickViewFile.Models;
 using System.Collections.ObjectModel;
 using System.ComponentModel;