Add a version of Img.FileOpen that does not throw an exception

OpenKH · Nov 16, 2019 · 6b38069 · 6b38069
1 parent 96c9804
commit 6b38069
Showing 1 changed file with 10 additions and 1 deletion.
diff --git a/OpenKh.Kh2/Img.cs b/OpenKh.Kh2/Img.cs
@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.IO;
 using Xe.IO;
 
@@ -43,6 +44,14 @@ public Img(Stream stream, Idx idx, bool loadAllIdx)
 
         public Idx Idx { get; }
 
+        public bool FileOpen(string fileName, Action<Stream> callback)
+        {
+            bool result;
+            if (result = Idx.TryGetEntry(fileName, out var entry))
+                callback(FileOpen(entry));
+            return result;
+        }
+
         public Stream FileOpen(string fileName)
         {
             if (Idx.TryGetEntry(fileName, out var entry))