# System.Windows.Forms.Design

``` diff
 namespace System.Windows.Forms.Design {
     public abstract class WindowsFormsComponentEditor : ComponentEditor {
-        public override bool EditComponent(ITypeDescriptorContext context, object component);
+        public override bool EditComponent(ITypeDescriptorContext? context, object component);
-        public virtual bool EditComponent(ITypeDescriptorContext context, object component, IWin32Window owner);
+        public virtual bool EditComponent(ITypeDescriptorContext? context, object component, IWin32Window? owner);
-        public bool EditComponent(object component, IWin32Window owner);
+        public bool EditComponent(object component, IWin32Window? owner);
-        protected virtual Type[] GetComponentEditorPages();
+        protected virtual Type[]? GetComponentEditorPages();
     }
 }
```

