backport null checks for issue 4005

6 years ago · d999ced482
1 changed files with 4 additions and 1 deletions
--- a/native/Avalonia.Native/src/OSX/window.mm
+++ b/native/Avalonia.Native/src/OSX/window.mm
@ -1428,7 +1428,10 @@ NSArray* AllLoopModes = [NSArray arrayWithObjects: NSDefaultRunLoopMode, NSEvent
 - (void)windowDidResize:(NSNotification *)notification
 {
-    _parent->OnResized();
+    if(_parent != nullptr)
    {
        _parent->OnResized();
    }
 }
 - (BOOL)windowShouldZoom:(NSWindow *)window toFrame:(NSRect)newFrame