private void _switchPage_EnabledChanged(object sender, EventArgs e)
{
Debug.Assert(sender is NuGenSwitchPage, "sender is NuGenSwitchPage");
NuGenSwitchPage switchPage = (NuGenSwitchPage)sender;
Debug.Assert(_pageButtonDictionary != null, "_pageButtonDictionary != null");
Debug.Assert(_pageButtonDictionary.ContainsKey(switchPage), "_pageButtonDictionary.ContainsKey(switchPage)");
NuGenSwitchButton switchButton = _pageButtonDictionary[switchPage];
switchButton.Enabled = switchPage.Enabled;
switchButton.Invalidate();
if (
!switchPage.Enabled &&
switchPage == this.SelectedSwitchPage
)
{
NuGenSwitchPage newSelectedSwitchPage = null;
for (int i = this.SelectedIndex - 1; i > -1; i--)
{
if (this.SwitchPages[i].Enabled)
{
newSelectedSwitchPage = this.SwitchPages[i];
}
}
if (newSelectedSwitchPage == null)
{
for (int i = this.SelectedIndex + 1; i < this.SwitchPages.Count; i++)
{
if (this.SwitchPages[i].Enabled)
{
newSelectedSwitchPage = this.SwitchPages[i];
}
}
}
this.SelectedSwitchPage = newSelectedSwitchPage;
}
}
