private void OnComponentRemoving(object sender, ComponentEventArgs e)
{
// If our control is being removed
if (e.Component == _headerGroup)
{
// Need access to host in order to delete a component
IDesignerHost host = (IDesignerHost)GetService(typeof(IDesignerHost));
// We need to remove all the button spec instances
for (int i = _headerGroup.ButtonSpecs.Count - 1; i >= 0; i--)
{
// Get access to the indexed button spec
ButtonSpec spec = _headerGroup.ButtonSpecs[i];
// Must wrap button spec removal in change notifications
_changeService.OnComponentChanging(_headerGroup, null);
// Perform actual removal of button spec from header
_headerGroup.ButtonSpecs.Remove(spec);
// Get host to remove it from design time
host.DestroyComponent(spec);
// Must wrap button spec removal in change notifications
_changeService.OnComponentChanged(_headerGroup, null, null, null);
}
}
}