UnityEngine.Camera.GetScreenWidth C# (CSharp) Method

        public float GetScreenWidth()
        {
            return 0f;
        }

 public void SetBackgroundResolution(Camera mainCamera, GUITexture myGUITexture)
 {
     Rect temp = myGUITexture.pixelInset;
     temp.height = mainCamera.GetScreenHeight();
     temp.width = mainCamera.GetScreenWidth();
     temp.y = -(mainCamera.GetScreenHeight()/2);
     temp.x = -(mainCamera.GetScreenWidth()/2);
     myGUITexture.pixelInset = temp;
 }