_SetVisible
_SetVisible(fFileControl, fAction == ACTION_MOVE_TO);
_SetVisible(fFlagsControl, fAction == ACTION_SET_FLAGS_TO);
_SetVisible(fAccountField, fAction == ACTION_REPLY_WITH);
void _SetVisible(BView* view, bool visible);
_SetVisible(fVideoLabel, visible);
_SetVisible(fVideoFormatInfo, visible);
_SetVisible(fVideoConfigInfo, visible);
_SetVisible(fDisplayModeLabel, visible);
_SetVisible(fDisplayModeInfo, visible);
_SetVisible(fAudioLabel, visible);
_SetVisible(fAudioFormatInfo, visible);
_SetVisible(fAudioConfigInfo, visible);
_SetVisible(fCopyrightLabel, visible);
_SetVisible(fCopyrightInfo, visible);
void _SetVisible(BView* view, bool visible);