public void InitializePageTest()
{
Assert.AreEqual(INIT_PAGE, _target.GetProperty("Page"));
_pageControl.InitializePage();
Assert.AreEqual(INIT_PAGE, _target.GetProperty("Page"));
}
// tab control index select change
private void ChangeIndexOfTabControl(object sender, EventArgs e)
{
_pageControl.InitializePage();
RefreshTabPage();
}