Chat/ChatController/ChatControlWaitLayer.xaml.cs

using System.ComponentModel;
using System.Runtime.CompilerServices;
using ChatController.Annotations;

namespace ChatController
{
    public partial class ChatControlWaitLayer : INotifyPropertyChanged
    {
        private string _DialogText;

        public string DialogText
        {
            get => _DialogText;
            set
            {
                _DialogText = value;
                OnPropertyChanged(nameof(DialogText));
            }
        }

        public ChatControlWaitLayer(string dialogText = null)
        {
            InitializeComponent();

            DataContext = this;

            DialogText = dialogText ?? "Daten werden übertragen. Bitte warten...";
        }

        public event PropertyChangedEventHandler PropertyChanged;

        [NotifyPropertyChangedInvocator]
        protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }
    }
}