prevent NRE when popup is open and main window closes.

6 years ago · 8946f4f80d
1 changed files with 1 additions and 0 deletions
--- a/src/Avalonia.Native/WindowImplBase.cs
+++ b/src/Avalonia.Native/WindowImplBase.cs
@ -155,6 +155,7 @@ namespace Avalonia.Native
                }
                finally
                {
+                    _parent._native = null;
                    n?.Dispose();
                }