<PackageReference Include="Microsoft.Win32.SystemEvents" Version="9.0.10" />

UserPreferenceChangingEventHandler

public sealed delegate UserPreferenceChangingEventHandler : MulticastDelegate
Represents the method that will handle the UserPreferenceChanging event.
public UserPreferenceChangingEventHandler(object object, IntPtr method)

public virtual IAsyncResult BeginInvoke(object sender, UserPreferenceChangingEventArgs e, AsyncCallback callback, object object)

public virtual void EndInvoke(IAsyncResult result)

public virtual void Invoke(object sender, UserPreferenceChangingEventArgs e)