pschelpdesk/Shared/ViewModels/ViewModelBase.cs

using System.Collections.Generic;
using System.ComponentModel;
using System.Runtime.CompilerServices;

namespace PSCHelpdesk.Shared.ViewModels;

public class ViewModelBase : INotifyPropertyChanged
{
    public event PropertyChangedEventHandler PropertyChanged;

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

    protected void SetAndRaisePropertyChanged<T>(
        ref T field, T value, [CallerMemberName] string propertyName = null)
    {
        if (!Equals(field, value))
        {
            field = value;
            RaisePropertyChanged(propertyName);
        }
    }
}