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program project1;

{$mode objfpc}{$H+}

uses
  {$IFDEF UNIX}{$IFDEF UseCThreads}
  cthreads,
  {$ENDIF}{$ENDIF}
  Interfaces, // this includes the LCL widgetset
  Forms
  { add your units here }, Unit1;

begin
  Application.Initialize;
  Application.CreateForm(TForm1, Form1);
  Application.Run;
end.
                              

unit Unit1; 

{$mode objfpc}{$H+}

interface

uses
 Classes, Process, SysUtils, LResources, Forms, Controls, Graphics, Dialogs, Buttons,
 StdCtrls, Menus, ExtCtrls, MaskEdit, Grids, ColorBox, ComCtrls, EditBtn,
 FileCtrl, Chart, ButtonPanel, SynHighlighterCPP, SynEdit;

type

  { TForm1 }

  TForm1 = class(TForm)
    BarChart1: TBarChart;
    Bevel1: TBevel;
    BitBtn1: TBitBtn;
    Button1: TButton;
    Button2: TButton;
    ButtonPanel1: TButtonPanel;
    CalcEdit1: TCalcEdit;
    CheckBox1: TCheckBox;
    ColorBox1: TColorBox;
    DateEdit1: TDateEdit;
    DirectoryEdit1: TDirectoryEdit;
    DrawGrid1: TDrawGrid;
    Edit1: TEdit;
    FileListBox1: TFileListBox;
    FileNameEdit1: TFileNameEdit;
    Label1: TLabel;
    LabeledEdit1: TLabeledEdit;
    MainMenu1: TMainMenu;
    MaskEdit1: TMaskEdit;
    MenuItem1: TMenuItem;
    MenuItem2: TMenuItem;
    MenuItem3: TMenuItem;
    MenuItem4: TMenuItem;
    MenuItem5: TMenuItem;
    MenuItem6: TMenuItem;
    MenuItem7: TMenuItem;
    MenuItem8: TMenuItem;
    MenuItem9: TMenuItem;
    ProgressBar1: TProgressBar;
    RadioButton1: TRadioButton;
    RadioButton2: TRadioButton;
    RadioGroup1: TRadioGroup;
    ScrollBar1: TScrollBar;
    StatusBar1: TStatusBar;
    StringGrid1: TStringGrid;
    SynEdit1: TSynEdit;
    ToolBar1: TToolBar;
    ToolButton1: TToolButton;
    ToolButton2: TToolButton;
    ToolButton3: TToolButton;
    ToolButton4: TToolButton;
    ToolButton5: TToolButton;
    ToolButton6: TToolButton;
    TrackBar1: TTrackBar;
    TreeView1: TTreeView;
    UpDown1: TUpDown;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { private declarations }
  public
    { public declarations }
  end; 

var
  Form1: TForm1; 
  AProcess: TProcess;

implementation

{ TForm1 }

procedure TForm1.Button1Click(Sender: TObject);
begin
   if(aprocess=nil)  then
   begin
     try
       AProcess := TProcess.Create(nil);
       AProcess.CommandLine := 'cmd';
       AProcess.Options := AProcess.Options;// + [poWaitOnExit];
       // Now that AProcess knows what the commandline is
       // we will run it.
       AProcess.Execute;
     except
       AProcess.Free;
       AProcess:=nil;
     end;
  end
  else
  begin
    ShowMessage('Its running already I think. Isn''t it?');
  end;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
   if(aprocess<>nil)then
   begin
      AProcess.Terminate(0);
      AProcess.Free;
      AProcess:=nil;
   end
   else
   begin
    ShowMessage('Its not running is it?');
   end;

end;

initialization
  {$I unit1.lrs}
AProcess:=nil;
end.