unit RandomSampUnit; {$mode objfpc}{$H+} interface uses Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs, ExtCtrls, StdCtrls; type { TRandomSampFrm } TRandomSampFrm = class(TForm) ResetBtn: TButton; CancelBtn: TButton; OKBtn: TButton; CasesEdit: TEdit; ExactEdit: TEdit; Label1: TLabel; Label2: TLabel; Label3: TLabel; PcntEdit: TEdit; GroupBox1: TGroupBox; ApproxBtn: TRadioButton; ExactBtn: TRadioButton; procedure FormActivate(Sender: TObject); procedure FormShow(Sender: TObject); procedure ResetBtnClick(Sender: TObject); private { private declarations } public { public declarations } end; var RandomSampFrm: TRandomSampFrm; implementation uses Math; { TRandomSampFrm } procedure TRandomSampFrm.FormActivate(Sender: TObject); var w: Integer; begin w := MaxValue([ResetBtn.Width, CancelBtn.Width, OKBtn.Width]); ResetBtn.Constraints.MinWidth := w; CancelBtn.Constraints.MinWidth := w; OKBtn.Constraints.MinWidth := w; end; procedure TRandomSampFrm.FormShow(Sender: TObject); begin PcntEdit.Text := ''; ExactEdit.Text := ''; CasesEdit.Text := ''; ApproxBtn.Checked := true; end; procedure TRandomSampFrm.ResetBtnClick(Sender: TObject); begin FormShow(self); end; initialization {$I randomsampunit.lrs} end.