private void buttonOpenSourceFilesLocation_Click(object sender, EventArgs e)
{
folderBrowserDialog.Description = "Find source location for openHistorian 1.0 / DatAWare archive files";
if (Directory.Exists(textBoxSourceFiles.Text))
folderBrowserDialog.SelectedPath = textBoxSourceFiles.Text;
if (folderBrowserDialog.ShowDialog(this) == DialogResult.OK)
textBoxSourceFiles.Text = folderBrowserDialog.SelectedPath;
}