UIBehaviors.cs #1

//
// Copyright 2014 Perforce Software Inc.
//

using System.Windows;
using System.Windows.Controls;

namespace Perforce.View {
    public class UIBehaviors {
        public static readonly DependencyProperty SelectTextOnFocusProperty = DependencyProperty
        .RegisterAttached("SelectTextOnFocus", typeof(bool), typeof(UIBehaviors), new FrameworkPropertyMetadata(false, GotFocus));

        public static void SetSelectTextOnFocus(DependencyObject obj, bool value) {
            obj.SetValue(SelectTextOnFocusProperty, value);
        }

        private static void GotFocus(DependencyObject d, DependencyPropertyChangedEventArgs e) {
            var textbox = d as TextBox;

            if (null == textbox) return;

            textbox.GotKeyboardFocus += SelectTextOnFocus;
            textbox.GotMouseCapture += SelectTextOnFocus;
        }

        private static void SelectTextOnFocus(object sender, RoutedEventArgs e) {
            if (!(sender is TextBox)) return;
            ((TextBox)sender).SelectAll();
        }
    }
}