Added headers.

src/Avalonia.Controls/Repeaters/ElementManager.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 using System.Collections.Generic;
 using System.Collections.Specialized;
 using System.Text;

src/Avalonia.Controls/Repeaters/FlowLayoutAlgorithm.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 using System.Collections.Specialized;
 
 namespace Avalonia.Controls.Repeaters

src/Avalonia.Controls/Repeaters/IFlowLayoutAlgorithmDelegates.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 using System.Collections.Generic;
 using System.Text;
 

src/Avalonia.Controls/Repeaters/ItemTemplateWrapper.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 using System.Collections.Generic;
 using System.Text;
 using Avalonia.Controls.Templates;

src/Avalonia.Controls/Repeaters/ItemsRepeater.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 using System.Collections;
 using System.Collections.Specialized;
 using Avalonia.Controls.Templates;

src/Avalonia.Controls/Repeaters/ItemsRepeaterElementClearingEventArgs.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 
 namespace Avalonia.Controls.Repeaters
 {

src/Avalonia.Controls/Repeaters/ItemsRepeaterElementIndexChangedEventArgs.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 
 namespace Avalonia.Controls.Repeaters
 {

src/Avalonia.Controls/Repeaters/ItemsRepeaterElementPreparedEventArgs.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 using System.Collections.Generic;
 using System.Text;
 

src/Avalonia.Controls/Repeaters/ItemsSourceView.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.Specialized;

src/Avalonia.Controls/Repeaters/Layout.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 
 namespace Avalonia.Controls.Repeaters
 {

src/Avalonia.Controls/Repeaters/LayoutContext.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 using System.Collections.Generic;
 using System.Text;
 

src/Avalonia.Controls/Repeaters/NonVirtualizingLayout.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 using System.Collections.Generic;
 using System.Text;
 

src/Avalonia.Controls/Repeaters/OrientationBasedMeasures.cs

@@ -1,4 +1,9 @@
-namespace Avalonia.Controls.Repeaters
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+namespace Avalonia.Controls.Repeaters
 {
     internal class OrientationBasedMeasures
     {

src/Avalonia.Controls/Repeaters/RecyclePool.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Runtime.CompilerServices;

src/Avalonia.Controls/Repeaters/RepeaterLayoutContext.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 using System.Collections.Generic;
 using System.Text;
 

src/Avalonia.Controls/Repeaters/StackLayout.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 using System.Collections.Specialized;
 
 namespace Avalonia.Controls.Repeaters

src/Avalonia.Controls/Repeaters/StackLayoutState.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 using System.Collections.Generic;
 using System.Linq;
 

src/Avalonia.Controls/Repeaters/UniformGridLayout.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 using System.Collections.Specialized;
 
 namespace Avalonia.Controls.Repeaters

src/Avalonia.Controls/Repeaters/UniformGridLayoutState.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 using System.Collections.Generic;
 using System.Collections.Specialized;
 using System.Text;

src/Avalonia.Controls/Repeaters/UniqueIdElementPool.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 using System.Collections;
 using System.Collections.Generic;
 using System.Text;

src/Avalonia.Controls/Repeaters/ViewManager.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 using System.Collections.Generic;
 using System.Collections.Specialized;
 using Avalonia.Controls.Templates;

src/Avalonia.Controls/Repeaters/ViewportManager.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 using System.Collections.Generic;
 using System.Reactive.Linq;
 using System.Threading.Tasks;

src/Avalonia.Controls/Repeaters/VirtualizationInfo.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 
 namespace Avalonia.Controls.Repeaters
 {

src/Avalonia.Controls/Repeaters/VirtualizingLayout.cs

@@ -1,4 +1,9 @@
-using System;
+// This source file is adapted from the WinUI project.
+// (https://github.com/microsoft/microsoft-ui-xaml)
+//
+// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.
+
+using System;
 using System.Collections.Generic;
 using System.Collections.Specialized;
 using System.Text;