//implenting singelton pattern to this class
public static BookForm Instance()
{
if (instance == null)
{
instance = new BookForm();
}
instance.SetAsNewWindow();
return(instance);
}
private void BackButton_Click(object sender = null, EventArgs e = null)
{
if (book == null)
{
Utils.SwitchBetweenWindows(this, BookForm.Instance());
}
else
{
Utils.SwitchBetweenWindows(this, BookDetails.Instance(book));
}
}
private void Books_Click(object sender, EventArgs e)
{
Utils.SwitchBetweenWindows(this, BookForm.Instance());
}