private void btnSave_Click(object sender, EventArgs e) { IList <AppConfig> AppConfigs = AppConfigService.All().Where(a => (a.IsActive == true) && (a.ConfigProperty == "MaterialImages")).ToList(); string ImageNameFilter = txtCode.Text; if (!ucFileExplorer.IsSavedImage(AppConfigs, ImageNameFilter)) { RaiseErrorEvent(new ErrorEventArgs()); return; } if (Save()) { LoadForm <Materials>(); } }