public static Scope SuspendEvents <T>(this BindingSource <T> bs, bool reset_bindings_on_resume, bool preserve_position)
{
var pos = bs.Position;
return(Scope.Create(
() =>
{
// Notify pre-reset before any changes are made
if (reset_bindings_on_resume)
{
bs.PreResetBindings();
}
// Save the raise list changed events state
var r = bs.RaiseListChangedEvents;
bs.RaiseListChangedEvents = false;
return r;
},
r =>
{
// Restore the raise events state
bs.RaiseListChangedEvents = r;
// Notify reset
if (reset_bindings_on_resume)
{
bs.ResetBindings(false, preserve_position: false, include_pre_reset: false);
}
// Restore position
if (preserve_position)
{
bs.Position = pos;
}
}));
}