ThemeXamlHelper

Instance

public static ThemeXamlHelper Instance { get; }

value = ThemeXamlHelper.Instance

班级的Singleton案例.

IsCurrentThemeDark

public bool IsCurrentThemeDark { get; private set; }

value = themeXamlHelper.IsCurrentThemeDark
themeXamlHelper.IsCurrentThemeDark = value

当前主题是否为暗色 。