/// <summary>
/// Event handler that is called when <see cref="ParentForm" /> is in the process of closing. This uninstalls <see cref="HookProc" /> from the low-level hooks list and stops the consumer thread that processes those events
/// </summary>
/// <param name="sender">Object from which this event originated, <see cref="ParentForm" /> in this case</param>
/// <param name="e">Arguments associated with this event</param>
private void ParentFormOnClosing(object sender, CancelEventArgs e)
{
TitleBarTabs form = (TitleBarTabs)sender;
if (form == null)
{
return;
}
if (s_parents.ContainsKey(form))
{
s_parents.Remove(form);
}
User32.UnhookWindowsHookEx(HookID);
MouseEvents.CompleteAdding();
MouseEventsThread.Abort();
}
