fixes: Suppress CS0618 Warnings

src/Avalonia.Controls/Border.cs

@@ -8,7 +8,9 @@ namespace Avalonia.Controls
     /// <summary>
     /// A control which decorates a child with a border and background.
     /// </summary>
+#pragma warning disable CS0618 // Type or member is obsolete
     public partial class Border : Decorator, IVisualWithRoundRectClip
+#pragma warning restore CS0618 // Type or member is obsolete
     {
         /// <summary>
         /// Defines the <see cref="Background"/> property.

src/Avalonia.Controls/NumericUpDown/NumericUpDown.cs

@@ -332,7 +332,9 @@ namespace Avalonia.Controls
         /// </summary>
         static NumericUpDown()
         {
+#pragma warning disable CS0612 // Type or member is obsolete
             CultureInfoProperty.Changed.Subscribe(OnCultureInfoChanged);
+#pragma warning restore CS0612 // Type or member is obsolete
             NumberFormatProperty.Changed.Subscribe(OnNumberFormatChanged);
             FormatStringProperty.Changed.Subscribe(FormatStringChanged);
             IncrementProperty.Changed.Subscribe(IncrementChanged);

src/Avalonia.Controls/Primitives/Popup.cs

@@ -20,7 +20,9 @@ namespace Avalonia.Controls.Primitives
     /// <summary>
     /// Displays a popup window.
     /// </summary>
+#pragma warning disable CS0612 // Type or member is obsolete
     public class Popup : Control, IVisualTreeHost, IPopupHostProvider
+#pragma warning restore CS0612 // Type or member is obsolete
     {
         public static readonly StyledProperty<bool> WindowManagerAddShadowHintProperty =
             AvaloniaProperty.Register<PopupRoot, bool>(nameof(WindowManagerAddShadowHint), false);

src/Avalonia.Controls/Primitives/PopupPositioning/IPopupPositioner.cs

@@ -447,8 +447,10 @@ namespace Avalonia.Controls.Primitives.PopupPositioning
             PopupPositionerConstraintAdjustment constraintAdjustment, Rect? rect)
         {
             // We need a better way for tracking the last pointer position
+#pragma warning disable CS0618 // Type or member is obsolete
             var pointer = topLevel.PointToClient(topLevel.PlatformImpl.MouseDevice.Position);
-            
+#pragma warning restore CS0618 // Type or member is obsolete
+
             positionerParameters.Offset = offset;
             positionerParameters.ConstraintAdjustment = constraintAdjustment;
             if (placement == PlacementMode.Pointer)

src/Avalonia.Controls/ProgressBar.cs

@@ -218,9 +218,12 @@ namespace Avalonia.Controls
                     TemplateProperties.Container2AnimationStartPosition = barIndicatorWidth2 * -1.5; // Position at -150%
                     TemplateProperties.Container2AnimationEndPosition = barIndicatorWidth2 * 1.66; // Position at 166%
 
+
+#pragma warning disable CS0618 // Type or member is obsolete
                     // Remove these properties when we switch to fluent as default and removed the old one.
                     IndeterminateStartingOffset = -dim;
                     IndeterminateEndingOffset = dim;
+#pragma warning restore CS0618 // Type or member is obsolete
 
                     var padding = Padding;
                     var rectangle = new RectangleGeometry(

src/Avalonia.Controls/Remote/RemoteWidget.cs

@@ -77,8 +77,10 @@ namespace Avalonia.Controls.Remote
                     _bitmap.PixelSize.Height != _lastFrame.Height)
                 {
                     _bitmap?.Dispose();
+#pragma warning disable CS0618 // Type or member is obsolete
                     _bitmap = new WriteableBitmap(new PixelSize(_lastFrame.Width, _lastFrame.Height),
                         new Vector(96, 96), fmt);
+#pragma warning restore CS0618 // Type or member is obsolete
                 }
                 using (var l = _bitmap.Lock())
                 {

src/Avalonia.Controls/TextBox.cs

@@ -991,7 +991,9 @@ namespace Avalonia.Controls
             {
                 var point = e.GetPosition(_presenter);
                 var index = CaretIndex = _presenter.GetCaretIndex(point);
+#pragma warning disable CS0618 // Type or member is obsolete
                 switch (e.ClickCount)
+#pragma warning restore CS0618 // Type or member is obsolete
                 {
                     case 1:
                         SelectionStart = SelectionEnd = index;