Upgrade project style

SourceGit/UI/RenameBranch.xaml.cs

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+using System;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+using System.Windows.Media.Animation;
+
+namespace SourceGit.UI {
+
+    /// <summary>
+    ///     Rename branch dialog.
+    /// </summary>
+    public partial class RenameBranch : UserControl {
+        private Git.Repository repo = null;
+        private Git.Branch branch = null;
+
+        /// <summary>
+        ///     New branch name.
+        /// </summary>
+        public string NewName { get; set; }
+
+        /// <summary>
+        ///     Constructor.
+        /// </summary>
+        /// <param name="opened">Opened repository.</param>
+        /// <param name="target">Branch to rename.</param>
+        public RenameBranch(Git.Repository opened, Git.Branch target) {
+            repo = opened;
+            branch = target;
+            NewName = target.Name;
+
+            InitializeComponent();
+
+            nameValidator.Repo = opened;
+            txtOldName.Content = target.Name;
+        }
+
+        /// <summary>
+        ///     Show this dialog
+        /// </summary>
+        /// <param name="opened"></param>
+        /// <param name="branch"></param>
+        public static void Show(Git.Repository opened, Git.Branch branch) {
+            PopupManager.Show(new RenameBranch(opened, branch));
+        }
+
+        /// <summary>
+        ///     Rename
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private async void Sure(object sender, RoutedEventArgs e) {
+            txtNewName.GetBindingExpression(TextBox.TextProperty).UpdateSource();
+            if (Validation.GetHasError(txtNewName)) return;
+
+            PopupManager.Lock();
+
+            DoubleAnimation anim = new DoubleAnimation(0, 360, TimeSpan.FromSeconds(1));
+            anim.RepeatBehavior = RepeatBehavior.Forever;
+            statusIcon.RenderTransform.BeginAnimation(RotateTransform.AngleProperty, anim);
+            status.Visibility = Visibility.Visible;
+
+            await Task.Run(() => branch.Rename(repo, NewName));
+
+            status.Visibility = Visibility.Collapsed;
+            statusIcon.RenderTransform.BeginAnimation(RotateTransform.AngleProperty, null);
+            PopupManager.Close(true);
+        }
+
+        /// <summary>
+        ///     Cancel merge.
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void Cancel(object sender, RoutedEventArgs e) {
+            PopupManager.Close();
+        }
+    }
+}