unit testchem; interface uses SysUtils, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, ExtCtrls, chemtext; type { TForm1 } TForm1 = class(TForm) Label1: TChemLabel; Label2: TChemLabel; Label3: TChemLabel; Label4: TLabel; Spacer: TBevel; ChemLabel1: TChemLabel; ChemLabel2: TChemLabel; ChemLabel3: TChemLabel; ChemLabel4: TChemLabel; ChemLabel5: TChemLabel; Edit1: TEdit; Panel1: TPanel; procedure Edit1Change(Sender: TObject); private public end; var Form1: TForm1; implementation {$R *.lfm} procedure TForm1.Edit1Change(Sender: TObject); begin ChemLabel4.Caption := Edit1.Text; end; end.