protected sealed override void OnClear()
{
BeforeClear?.Invoke(null, EventArgs.Empty);
itemsToClear = ToArray();
base.OnClear();
}
private void ViewChannels_BeforeClear(object sender, EventArgs e)
{
foreach (ViewChannel item in m_ViewChannels)
{
item.ColorChanged -= ViewChannel_ColorChanged;
item.NameChanged -= ViewChannel_ValueChanged;
item.VisibleChanged -= ViewChannel_ValueChanged;
}
BeforeClear?.Invoke(this, e);
}