/// <summary> /// Opens dialog to choose a projection. /// </summary> private void OnEditClick(object sender, EventArgs e) { int epsg = _context.ChooseEpsgProjection(); if (epsg == -1) { return; } var sr = new SpatialReference(); if (!sr.ImportFromEpsg(epsg)) { MessageService.Current.Warn("Failed to initialize selected projection."); return; } textBoxExt1.Text = sr.ExportToWkt(); }