void fmPopupR_evenOpenBatch(long idbatch, string nom_tray) { string Nom_tray = "B-" + nom_tray; FormShowBatch fmShowBatch = new FormShowBatch(); fmShowBatch.Text = Nom_tray; fmShowBatch.MdiParent = this; fmShowBatch.Show(); fmPopupR.Select(); }