private void btnPickFolderIncludeUsersAdditionalProperties_Click(object sender, EventArgs e) { List <AdditionalPropertyDefinition> oAPD = null; List <ExtendedPropertyDefinition> oEPD = null; string sChosenFile = string.Empty; sChosenFile = txtIncludeUsersAdditionalPropertiesFile.Text; if (AdditionalProperties.GetAdditionalPropertiesFromCsv(ref sChosenFile, ref oAPD, ref oEPD)) { AdditionalPropertyDefinitions = oAPD; ExtendedPropertyDefinitions = oEPD; this.txtIncludeUsersAdditionalPropertiesFile.Text = sChosenFile; } txtIncludeUsersAdditionalPropertiesFile.Enabled = false; }