SnapTask.pas

unit SnapTask;

interface

uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Tlhelp32;

type
  TForm1 = class(TForm)
    Button1: TButton;
    ListBox1: TListBox;
    Button2: TButton;
    Button3: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  hPro: THandle;

implementation

{$R *.dfm}

function ListarProcessos : TStringList;
var
mHandle : THandle;
mStruct : PROCESSENTRY32;
begin
  Result:= TStringList.Create;
  try
    mhandle := CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
    mStruct.dwSize := SizeOf(PROCESSENTRY32);
    if Process32First(mHandle, mStruct) then
    begin
      Result.Add(mStruct.szExeFile);
    end;
    while(Process32Next(mHandle, mStruct)) do
    begin
      Result.Add(mStruct.szExeFile);
    end;
  except;
  end;
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
    ListBox1.Items := ListarProcessos();
end;

function getPid(nomPro : string) : DWORD;
var
  mHandle : Thandle;
  mStruct :PROCESSENTRY32;
begin
  Result:= 0;
  try
    mhandle := CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
    mStruct.dwSize := SizeOf(PROCESSENTRY32);
    if Process32First(mHandle, mStruct) then
    begin
      if string(mStruct.szExeFile) = String(nomPro) then
      begin
        Result:= mStruct.th32ProcessID;
      end;
    end;
    while(Process32Next(mHandle, mStruct)) do
    begin
      if string(mStruct.szExeFile) = nomPro  then
      begin
        Result:= mStruct.th32ProcessID;
      end;
    end;
  except;
  end;
end;

procedure TForm1.Button2Click(Sender: TObject);
var
pid : DWORD;
begin
  pid := getPid(ListBox1.Items[ListBox1.ItemIndex]);
  hPro := Openprocess(PROCESS_TERMINATE,false, pid);
  if hpro <> 0 then
  begin
    ShowMessage('Processo aberto! Manipulador: ' + IntToStr(hpro));
  end;
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
  TerminateProcess(hpro, 0);
end;

end.