delphi中对于进程的操作

Uses Tlhelp32;
//用Listbox显示方法
procedure TForm1.Button1Click(Sender: TObject);
var
lppe:TProcessEntry32;
found:boolean;
Hand:THandle;
begin
Hand:=CreateToolhelp32Snapshot(TH32CS_SNAPALL,0);
lppe.dwSize := Sizeof(lppe); //初始化
found:=Process32First(Hand,lppe);
while found do
begin
ListBox1.Items.Add(StrPas(lppe.szExeFile));//列出所有进程。
found:=Process32Next(Hand,lppe);
end;
end;
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procedure TForm1.Timer1Timer(Sender: TObject); //刷新进程列表
begin
listbox.Clear;
self.Button1.Click;
end;
end.
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//用Listview显示方法
procedure TForm1.FormCreate(Sender: TObject);
var
found:boolean; //定义枚举进程所需变量
NewItem: TListItem;
FSnapshotHandle:tHANDLE;
lppe:TProcessEntry32;
Summ: Word;
begin
with listview1 do
begin
Columns.Add;
Columns.Add;
Columns.Add;
ViewStyle:=vsreport;
GridLines:=true;
columns.items[0].caption:='进程名';
columns.items[1].caption:='进程序号';
columns.items[2].caption:='进程ID';
Columns.Items[0].Width:=100;
Columns.Items[1].Width:=100;
Columns.Items[2].Width:=150; //初始化listview
end;
ListView1.Items.BeginUpdate;
ListView1.Items.Clear;
FSnapshotHandle := CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0); //CreateToolhelp32Snapshot函数得到进程快照
lppe.dwSize := Sizeof(lppe); //初始化
found := Process32First(FSnapshotHandle, lppe); //Process32First 得到一个系统快照里第一个进程的信息
Summ := 0;
while found do
begin
Summ := Summ + 1;
NewItem := ListView1.Items.Add; //在ListView1显示
NewItem.ImageIndex := -1;
NewItem.Caption := ExtractFileName(lppe.szExeFile);//进程名称
NewItem.subItems.Add(FormatFloat('00', Summ));//序号
NewItem.subItems.Add(IntToStr(lppe.th32ProcessID));//进程ID
found := Process32Next(FSnapshotHand