How to display a row of icons in the camera security box in maya14

The icon of the camera safety box is in the upper left corner of the camera view, as shown in the figure below. The red box 1 is the camera object safety box, the red box 2 is the subtitle safety box, and the icons next to 1 are You can try it all

If the icon is gone, just restore the Maya software to the default state and it will appear

Method: Close the Maya software, then open "My Documents", and Delete the "maya" folder in my documents, then restart maya, and it will appear