Lock Cursor problem in Unity 3D 5.

Lock Cursor problem in Unity 3D 5. Hi there I have problem with Lock Cursor in Unity 3D 5 in C# Replace " Screen.lockCursor = true; " on " Cursor.lockState = true; " and shows an error " error CS0029: Cannot implicitly convert type `bool' to `UnityEngine.CursorLockMode' ". Tell me how to fix the error and how to move the cursor, and that he was in the middle of the screen. Need for the shooter. Respond fast please !!! Cheers !!!