From 494d0cd0ff1e8b7fb43707c1a98c47bbb6241eff Mon Sep 17 00:00:00 2001
From: Alexis Nowikowski <a.nowikowski@blaxdev.com>
Date: Sat, 26 Oct 2024 18:15:52 +0200
Subject: [PATCH] Fixes issue #1787

---
 .../Src/Xceed.Wpf.Toolkit/Primitives/SelectAllSelector.cs     | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ExtendedWPFToolkitSolution/Src/Xceed.Wpf.Toolkit/Primitives/SelectAllSelector.cs b/ExtendedWPFToolkitSolution/Src/Xceed.Wpf.Toolkit/Primitives/SelectAllSelector.cs
index c34a7749..c4f7f959 100644
--- a/ExtendedWPFToolkitSolution/Src/Xceed.Wpf.Toolkit/Primitives/SelectAllSelector.cs
+++ b/ExtendedWPFToolkitSolution/Src/Xceed.Wpf.Toolkit/Primitives/SelectAllSelector.cs
@@ -174,7 +174,7 @@ public override void OnApplyTemplate()
 
     public void SelectAll()
     {
-      var currentSelectedItems = new List<object>( this.SelectedItems as IEnumerable<object> );
+      var currentSelectedItems = new List<object>( this.SelectedItems.Cast<object>() );
       var items = this.ItemsCollection.Cast<object>();
 
       // Have a faster selection when there are more than 200 items.
@@ -195,7 +195,7 @@ public void SelectAll()
 
     public void UnSelectAll()
     {
-      var currentSelectedItems = new List<object>( this.SelectedItems as IEnumerable<object> );
+      var currentSelectedItems = new List<object>( this.SelectedItems.Cast<object>() );
 
       this.SelectedItems.Clear();