private void convertButton_Click(object sender, EventArgs e)
 {
     try
     {
         ConversionManager.ConvertInput(fileFormatComboBox.Text, openFileTextBox.Text, outputLocationTextBox.Text);
         MessageBox.Show("Finished conversion. Output File is located at:\n" + outputLocationTextBox.Text);
     }
     catch (Exception ex)
     {
         MessageBox.Show("Error during conversion:\n" + ex.Message);
     }
 }