From dfa21a9c5805b6329d43a2da9bb40e3b8836aea5 Mon Sep 17 00:00:00 2001
From: Ben <bennybuerger@web.de>
Date: Tue, 20 Sep 2022 11:55:21 +0200
Subject: [PATCH] Prevents a known bug in WPF

If a childwindow ist opened and closed and this control is closed the main window is minimized
The workaround with setting the owner to null is not working, therefor Activate is used
https://stackoverflow.com/questions/19156373/closing-child-window-minimizes-parent
---
 .../Controls/LayoutFloatingWindowControl.cs   | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/source/Components/AvalonDock/Controls/LayoutFloatingWindowControl.cs b/source/Components/AvalonDock/Controls/LayoutFloatingWindowControl.cs
index 71d0602e..ce134df3 100644
--- a/source/Components/AvalonDock/Controls/LayoutFloatingWindowControl.cs
+++ b/source/Components/AvalonDock/Controls/LayoutFloatingWindowControl.cs
@@ -536,6 +536,26 @@ protected override void OnInitialized(EventArgs e)
 			base.OnInitialized(e);
 		}
 
+		protected override void OnClosing(CancelEventArgs e)
+        	{
+            		base.OnClosing(e);
+            		AssureOwnerIsNotMinimized();
+        	}
+
+        	/// <summary>
+		/// Prevents a known bug in WPF, which wronlgy minimizes the parent window, when closing this control
+        	/// </summary>
+        	private void AssureOwnerIsNotMinimized()
+        	{
+            		try
+            		{
+                		Owner?.Activate();
+            		}
+            		catch (Exception)
+            		{
+            		}
+        	}
+
 		#endregion Overrides
 
 		#region Private Methods