Changed: optimise find next file

RyzStudio/IO/AccessibleDirectory.cs

@@ -214,16 +214,31 @@ namespace RyzStudio.IO
             string filename = Path.GetFileName(filepath);
             if (string.IsNullOrWhiteSpace(filename)) return null;
 
-            List<string> fileList = AccessibleDirectory.GetFiles(path, pattern, true);
+            bool returnNext = false;
-            if (fileList == null) return null;
+            foreach (string item in Directory.EnumerateFiles(path, "*", SearchOption.TopDirectoryOnly))
-            if (fileList.Count <= 0) return null;
+            {
-            if (fileList.Count(x => (Path.GetFileName(x).Equals(filename))) < 0) return null;
+                if (!MatchFileSearchPattern(pattern, Path.GetFileName(item)))
+                {
+                    continue;
+                }
 
-            int pos = fileList.FindIndex(x => Path.GetFileName(x).Equals(filename));
+                if (!IsFileAccessible(item))
-            if (pos < 0) return null;
+                {
-            if (pos >= (fileList.Count - 1)) return null;
+                    continue;
+                }
 
-            return fileList[(pos + 1)];
+                if (returnNext)
+                {
+                    return item;
+                }
+
+                if (Path.GetFileName(item).Equals(filename))
+                {
+                    returnNext = true;
+                }
+            }
+
+            return null;
         }
 
         public static bool IsAccessible(string path)

VideoPreview.csproj

@@ -11,7 +11,7 @@
     <Copyright>Ray Lam</Copyright>
     <ApplicationIcon>favicon.ico</ApplicationIcon>
     <NoWin32Manifest>true</NoWin32Manifest>
-    <Version>0.1.1.008</Version>
+    <Version>0.1.1.022</Version>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">