closes #4; Support subFolders.

Author: Kabuto_W

README.md

@@ -15,8 +15,7 @@ Reduce duplication in image folders.
 ## Usage
 1. Get `SimilarImages.exe` in the following ways.
   - Build this project in Visual Studio.
-  - Find it in [_Output](_Output).
-  - Find it in [Releases](https://github.com/Roy0309/ImageSimilarityDetection-UI/releases).
+  - Or find it in [Releases](https://github.com/Roy0309/ImageSimilarityDetection-UI/releases).
 
 2. Double click `SimilarImages.exe`. Select an image folder and set arguments (the default is suggested arguments). Enjoy!
 

SimilarImages/SimilarImages/ImageHash.cs

@@ -98,9 +98,10 @@ private static KeyValuePair<string, string>[] GetImageHashes(string folderPath,
         {
             // Get images
             DirectoryInfo di = new DirectoryInfo(folderPath);
-            var imageNames = from file in di.GetFiles()
-                             where imageExtensions.Contains(file.Extension)
-                             select file.FullName;
+            var imageNames = from imageName 
+                             in Directory.EnumerateFiles(folderPath, "*.*", SearchOption.AllDirectories)
+                             where imageExtensions.Any(imageName.ToLower().EndsWith)
+                             select imageName;
             Debug.WriteLine($"Directory: {folderPath}; ImageCount: {imageNames.Count()}");
             if (imageNames.Count() < 2) { return null; }
 

SimilarImages/SimilarImages/Properties/AssemblyInfo.cs

@@ -32,5 +32,5 @@
 //可以指定所有这些值，也可以使用“生成号”和“修订号”的默认值
 //通过使用 "*"，如下所示:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.3.1.0")]
-[assembly: AssemblyFileVersion("1.3.1.0")]
+[assembly: AssemblyVersion("1.4.0.0")]
+[assembly: AssemblyFileVersion("1.4.0.0")]