public SIGNUP_FORM(MAIN_FORM main)
{
InitializeComponent();
this.main = main;
Load += SIGNUP_FORM_Load;
}
public LOGIN_FORM(MAIN_FORM form)
{
InitializeComponent();
this.form = form;
Load += LOGIN_FORM_Load;
}
public BOOK_INFO_FORM(MAIN_FORM form)
{
InitializeComponent();
this.form = form;
Load += BOOK_INFO_FORM_Load;
}