private static void ThrowIfNoThread()
{
if (uiThread.NullReference())
{
throw new InvalidOperationException("UI thread is unknown! Use UI.Set to specify it.");
}
}
/// <summary>
/// Specifies the UI thread to use.
/// May only set once at most.
/// </summary>
/// <param name="thread">The <see cref="IUIThread"/> to use.</param>
public static void Set(IUIThread thread)
{
if (thread.NullReference())
{
throw Exc.Null(nameof(thread));
}
var previousValue = Interlocked.CompareExchange(ref uiThread, thread, comparand: null);
if (previousValue.NotNullReference())
{
throw new InvalidOperationException("UI already initialized!").StoreFileLine();
}
}