//relay the extension of the changed face file
 public void changeFace(object a, Update_Face_Event e)
 {
     //the face number is appended at the end
     String file_ext = e.file_extension +screen.ToString();
     change_face(this, new Update_Face_Event(file_ext));
 }
        /// <summary>
        /// Applies a new texture to the cube representing last state of closed form.
        /// </summary>
        /// <param name="a"></param>
        /// <param name="e"></param>
        public void getNewFace(object a, Update_Face_Event e)
        {

            //##############################################|
            //----------------------------------------------|
            //face information...                           |
            //----------------------------------------------|
            //face numbers                                  |
            //----------------------------------------------|
            //0 is red                                      |
            //1 is purple                                   |
            //2 is to face of cube                          |
            //3 is the bottom face of cube                  |   
            //4 is yellow                                   |
            //5 is orange                                   |
            //----------------------------------------------|
            //face order when spinning from beginning       |
            //----------------------------------------------|
            //purple orange red yellow                      |
            //##############################################|

            //parse the string to take out the number...
            String temp = e.file_extension;
            String ext = temp.Substring(0, (temp.Length - 1));
            String faceNum = temp.Substring(temp.Length - 1, 1);
            int index = Convert.ToInt32(faceNum);

            switch (index)
            {
                //first face
                case 0:
                    //set it to the purple face
                    //mirror the extension
                    form_utilities.mirrorImage(ext);
                    SRVlist[1] = ShaderResourceView.FromFile(device, ext);
                    break;
                //second face
                case 1:
                    //set it to the orange face
                    SRVlist[5] = ShaderResourceView.FromFile(device, ext);
                    break;
                //third face
                case 2:
                    //set it to the red face
                    SRVlist[0] = ShaderResourceView.FromFile(device, ext);
                    break;
                //fourth face
                case 3:
                    //set it to the yellow face
                    //mirror the face due to culling
                    form_utilities.mirrorImage(ext);
                    SRVlist[4] = ShaderResourceView.FromFile(device, ext);
                    break;
            }

        }