枚举值:MoveUpMoveDownMoveLeftMoveRightPageUpPageDownPreviousLetterNextLetterToggleOsdToggleContextMenuSelectBackTakeScreenshotSendKeySendStringGoHomeGoToSettingsVolumeUpVolumeDownMuteUnmuteToggleMuteSetVolumeSetAudioStreamIndexSetSubtitleStreamIndexToggleFullscreenDisplayContentGoToSearchDisplayMessageSetRepeatModeChannelUpChannelDownGuideToggleStatsPlayMediaSourcePlayTrailersSetShuffleQueuePlayStatePlayNextToggleOsdMenuPlaySetMaxStreamingBitrateSetPlaybackOrder