private void displayChairmanPage()
        {
            //This was when chairman button displaying chariman CV, now it will display his message
            //int chairmanLine = 0;
            //int lineCount = File.ReadAllLines(variables.controlFilePath).Length;

            //for (int i=1; i<lineCount; ++i)
            //{
            //    if (controlFile.checkIfChairman(i))
            //    {
            //        chairmanLine = i;
            //        i = lineCount;
            //    }
            //}

            //variables.preparePdfFile(chairmanLine);

            variables.pdfPath = variables.requiredResourcePath + "chairman.pdf";
            variables.chairmanMessageDisplayed = true;

            variables.teacherInfoWindow = this;
            pdfWindow pdfWindow = new pdfWindow();

            variables.previousCurrentWindow = variables.currentWindow;
            variables.currentWindow         = pdfWindow;
            pdfWindow.Show();

            this.Close();
        }
        private void buttonTeacherObject(string teacherName)
        {
            variables.teacherInfoWindow = this;

            requiredTeacherLineNumber = controlFile.getLineNumberTeacherWindow(teacherName);

            variables.preparePdfFile(requiredTeacherLineNumber);

            pdfWindow pdfWindow = new pdfWindow();

            variables.previousCurrentWindow = variables.currentWindow;
            variables.currentWindow         = pdfWindow;
            pdfWindow.Show();
        }