private void setButtonStates()
{
//reset button visibility
this.back_btn.Visible = true;
this.next_btn.Visible = true;
this.finish_btn.Visible = false;
//hide the state based on the current screen.
if (currentScreen == 0)
{
this.back_btn.Visible = false;
}
if (currentScreen == tourScreen.Count - 1)
{
this.next_btn.Visible = false;
this.finish_btn.Visible = true;
}
}