Unreal (C++)AndroidiOSmacOSWebC++ (全平台)HarmonyOSC# (Windows)小程序ElectronUnityFlutterReact NativeUnreal (C++)Unreal (Blueprint)React文档中心/实时互动/本页总览LIGHTENING_CONTRAST_LEVELv4.5.1v4.5.1v4.5.0v4.4.0v4.2.1LIGHTENING_CONTRAST_LEVEL亮度明暗对比度。枚举值LIGHTENING_CONTRAST_LOW 0:低对比度。LIGHTENING_CONTRAST_NORMAL 1:正常对比度。LIGHTENING_CONTRAST_HIGH 2:高对比度。