private void sourcesToolStripButton_Click(object sender, EventArgs e)
{
Settings.Instance["DownloadInformationDialogLastTab"] = "1";
if (m_SourcesControl != null)
{
toolStripContainer.ContentPanel.Controls.Clear();
toolStripContainer.ContentPanel.Controls.Add(m_SourcesControl);
m_SourcesControl.Focus();
}
}
