private void btnPrevious_Click(object sender, EventArgs e)
{
int newIndexOfSelectedScreen = (int)selectedScreen - 1;
if (newIndexOfSelectedScreen <= -1)
{
newIndexOfSelectedScreen = Enum.GetValues(typeof(HelpScreens)).Length - 1;
}
selectedScreen = (HelpScreens)newIndexOfSelectedScreen;
UpdateHelpScreen();
}
private void btnNext_Click(object sender, EventArgs e)
{
int newIndexOfSelectedScreen = (int)selectedScreen + 1;
if (newIndexOfSelectedScreen >= Enum.GetValues(typeof(HelpScreens)).Length)
{
if (MessageBox.Show("Are you ready to start studying?", "", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
Close();
return;
}
else
{
newIndexOfSelectedScreen = 0;
UpdateHelpScreen();
}
}
selectedScreen = (HelpScreens)newIndexOfSelectedScreen;
UpdateHelpScreen();
}
