bring back START_HANDLE

microsoft · Sep 10, 2020 · b553574 · b553574
1 parent 558af5f
commit b553574
Showing 1 changed file with 6 additions and 5 deletions.
diff --git a/src/DebugEngineHost.VSCode/VSCode/HandleCollection.cs b/src/DebugEngineHost.VSCode/VSCode/HandleCollection.cs
@@ -8,6 +8,7 @@ namespace Microsoft.DebugEngineHost.VSCode
 {
     public sealed class HandleCollection<T>
     {
+        private const int START_HANDLE = 1000;
         private List<T> _collection = new List<T>();
 
         public void Clear()
@@ -18,18 +19,18 @@ public void Clear()
         public int Create(T value)
         {
             _collection.Add(value);
-            return _collection.Count - 1;
+            return _collection.Count + START_HANDLE - 1;
         }
 
         public bool TryGet(int handle, out T value)
         {
-            if (handle >= _collection.Count)
+            if (handle < 0 || handle - START_HANDLE >= _collection.Count)
             {
                 value = default;
                 return false;
             }
 
-            value = _collection[handle];
+            value = _collection[handle - START_HANDLE];
             return true;
         }
 
@@ -49,13 +50,13 @@ public T this[int handle]
         {
             get
             {
-                return _collection[handle];
+                return _collection[handle - START_HANDLE];
             }
         }
 
         public bool Remove(int handle)
         {
-            _collection.RemoveAt(handle);
+            _collection.RemoveAt(handle - START_HANDLE);
             return true;
         }