Upload FastSeekWpf/Core/IndexStore.cs

FastSeekWpf/Core/IndexStore.cs

@@ -103,7 +103,11 @@ public class IndexStore
 
         foreach (var r in scan.Records)
         {
-            var nameChars = scan.NameData.Slice((int)r.NameOff, r.NameLen);
+            int start = (int)r.NameOff;
+            int len = r.NameLen;
+            var nameChars = new char[len];
+            for (int i = 0; i < len; i++)
+                nameChars[i] = scan.NameData[start + i];
             string name = new string(nameChars);
             string nameLower = name.ToLowerInvariant();
 
@@ -303,8 +307,8 @@ public class IndexStore
 
     public string BuildPath(ulong fileRef)
     {
-        // Stackalloc-friendly: use array instead of List
-        Span<string> components = stackalloc string[64];
+        // string is a managed type, can't stackalloc it. Use small heap array.
+        string[] components = new string[64];
         int compCount = 0;
         ulong current = fileRef;