private void ViewButtonUpdate()
{
if (trvAAFFileInfo.SelectedNode != null)
{
String strNode = StrMinus(trvAAFFileInfo.SelectedNode.ToString(), "TreeNode: ");
if (strNode.IndexOf(m_AAFSuffix) == strNode.Length - m_AAFSuffix.Length)
btnView.Enabled = System.IO.File.Exists(BuildCurrentAAFFileSpec()) && SaltoIsInstalled();
else if (strNode.IndexOf(m_ReportHTMLSuffix) == strNode.Length - m_ReportHTMLSuffix.Length)
btnView.Enabled = System.IO.File.Exists(BuildCurrentAAFHTMLReportFileSpec());
else if (strNode.IndexOf(m_SummaryTXTSuffix) == strNode.Length - m_SummaryTXTSuffix.Length)
btnView.Enabled = System.IO.File.Exists(BuildCurrentAAFSummaryTextReportFileSpec());
else
btnView.Enabled = false;
}
else
{
btnView.Enabled = false;
}
}