private void cbResolutionPreset_SelectedIndexChanged(object sender, EventArgs e)
{
if (_updatingControls)
return;
if (cbResolutionPreset.SelectedIndex == _customItemIndex)
return;
_updatingControls = true;
EnableCustomItem(false);
Size preset = _sizePresets[cbResolutionPreset.SelectedIndex];
udWidth.Value = preset.Width;
udHeight.Value = preset.Height;
_updatingControls = false;
}