Глобальный рефакторинг пространств имён

Pf2e/Scrapper/WPF/ViewModelBase.cs

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+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+
+namespace Pf2e.Scrapper.WPF;
+
+internal abstract class ViewModelBase : INotifyPropertyChanged
+{
+    public event PropertyChangedEventHandler? PropertyChanged;
+
+    protected virtual void OnPropertyChanged([CallerMemberName] string? propertyName = null)
+    {
+        PropertyChanged?.Invoke(this, new(propertyName));
+    }
+
+    protected bool SetField<T>(ref T field, T value, [CallerMemberName] string? propertyName = null)
+    {
+        if (EqualityComparer<T>.Default.Equals(field, value))
+            return false;
+        field = value;
+        OnPropertyChanged(propertyName);
+        return true;
+    }
+}