private void startButton_Click(object sender, EventArgs e)
        {
            this.Hide();
            ProjectMangerForm projForm = new ProjectMangerForm();

            projForm.Show();
        }
        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            this.Hide();

            if (positionBox.SelectedItem.Equals("Developer"))
            {
                DeveloperForm developerForm = new DeveloperForm();
                developerForm.Show();
            }
            else
            {
                ProjectMangerForm projectMangerForm = new ProjectMangerForm();
                projectMangerForm.Show();
            }
        }