//Singleton-Pattern: Only one time the reference book gets opened
public static FrmGuide getInstance()
{
if (instance == null || instance.IsDisposed)
{
instance = new FrmGuide();
}
return(instance);
}
private FrmGuide()
{
InitializeComponent();
if (current == null)
{
current = this;
}
rtbContent.Rtf = Properties.Resources.index;
}
private void showHelpFrmGuide()
{
FrmGuide frmGuide = FrmGuide.getInstance();
if (!frmGuide.IsDisposed)
{
frmGuide.Show();
}
}