unit Business_u; interface uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Vcl.Imaging.pngimage, Vcl.ExtCtrls,UserLogin_u,AdminAdd_u,AdminLogin_u; type TfrmBusiness = class(TForm) Image1: TImage; btnAdmin: TButton; btnLogin: TButton; procedure btnLoginClick(Sender: TObject); procedure FormClose(Sender: TObject; var Action: TCloseAction); procedure close(); procedure btnAdminClick(Sender: TObject); private { Private declarations } public { Public declarations } end; var frmBusiness: TfrmBusiness; implementation {$R *.dfm} procedure TfrmBusiness.btnAdminClick(Sender: TObject); begin frmAdminLogin.Show; frmBusiness.Hide; end; procedure TfrmBusiness.btnLoginClick(Sender: TObject); begin frmUserLogin.show; frmBusiness.hide; end; procedure TfrmBusiness.close; begin frmUserLogin.free; frmBusiness.show; end; procedure TfrmBusiness.FormClose(Sender: TObject; var Action: TCloseAction); begin Application.Terminate; end; end.