fix error CS8618: Non-nullable field '_children'

dotnet · Apr 28, 2024 · c03c48b · c03c48b
1 parent c16015c
commit c03c48b
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/System.Windows.Forms/src/System/Windows/Forms/Controls/TreeView/TreeNode.cs b/src/System.Windows.Forms/src/System/Windows/Forms/Controls/TreeView/TreeNode.cs
@@ -89,7 +89,7 @@ internal TreeNodeImageIndexer StateImageIndexer
 
     internal int _index;                  // our index into our parents child array
     internal int _childCount;
-    internal TreeNode[] _children;
+    internal TreeNode[] _children = [];
     internal TreeNode? _parent;
     internal TreeView? _treeView;
     private bool _expandOnRealization;
@@ -1315,7 +1315,7 @@ internal void Clear()
                 _children[^1].Remove(true);
             }
 
-            _children = null;
+            _children = [];
 
             if (tv is not null && isBulkOperation)
             {
@@ -1602,7 +1602,7 @@ internal void EnsureCapacity(int num)
             size = 4;
         }
 
-        if (_children is null)
+        if (_children is null || _children.Length == 0)
         {
             _children = new TreeNode[size];
         }