public static Login_Form GetInstance()
{
if (Login_Form.loginFormInstance == null)
{
Login_Form.loginFormInstance = new Login_Form();
Login_Form.loginFormInstance.FormClosed += new FormClosedEventHandler(loginFormInstance_FormClosed);
}
return(Login_Form.loginFormInstance);
}
static void loginFormInstance_FormClosed(object sender, FormClosedEventArgs e)
{
Login_Form.loginFormInstance = null;
}