private void radioButtonLiveMigration_CheckedChanged(object sender, EventArgs e)
{
if (!radioButtonLiveMigration.Checked)
return;
labelTargetFileSize.Visible = true;
textBoxTargetFileSize.Visible = true;
labelGigabytes.Visible = true;
labelMaxParallelism.Visible = false;
textBoxMaxThreads.Visible = false;
labelThreads.Visible = false;
}