private void btn_matchingDifferences_Click(object sender, EventArgs e)
        {
            SaveFileDialog saveFileDialog1 = new SaveFileDialog();

            saveFileDialog1.Filter = "Text File|*.txt";
            saveFileDialog1.Title  = "Save File";
            saveFileDialog1.ShowDialog();

            if (saveFileDialog1.FileName != "")
            {
                StreamWriter sw = new StreamWriter(saveFileDialog1.OpenFile());
                RegFileHandler.ExportMatchingDifferences(_registryEntryDifferences, sw);
            }
        }
        private void btn_missingEntriesFromMachineA_Click(object sender, EventArgs e)
        {
            SaveFileDialog saveFileDialog1 = new SaveFileDialog();

            saveFileDialog1.Filter = "Registry File|*.reg";
            saveFileDialog1.Title  = "Save a Registry File";
            saveFileDialog1.ShowDialog();

            if (saveFileDialog1.FileName != "")
            {
                StreamWriter sw = new StreamWriter(saveFileDialog1.OpenFile());
                RegFileHandler.ExportMissingEntries(_missingEntriesFromMachineA, sw);
            }
        }