Method SetTarget

FastCopy/AcrylicHelper.h:71–75

	WindowEffectHelper(winrt::Microsoft::UI::Xaml::Window window = nullptr) : m_target{ window } { init(); }

	void SetTarget(winrt::Microsoft::UI::Xaml::Window window)
	{
		m_target = window;
		init();
	}

	void SetTheme(winrt::Microsoft::UI::Xaml::ElementTheme theme);