private void _syncTve3EpgcheckBox_CheckedChanged(object sender, EventArgs e)
{
_epgOnlyLinkedChannelsRadioButton.Enabled = _syncTve3EpgcheckBox.Checked;
_epgAutoCreateChannelsDvbRadioButton.Enabled = _syncTve3EpgcheckBox.Checked;
_epgAutoCreateChannelsWithGroupRadioButton.Enabled = _syncTve3EpgcheckBox.Checked;
}