type
TForm1 = class(TForm)
ListBox1: TListBox;
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
function EnumWndProc(AWnd:HWND;AlParam:LPARAM):Boolean;stdcall;
var
Form1: TForm1;
implementation
{$R *.DFM}
function EnumWndProc(AWnd: HWND; AlParam: LPARAM):Boolean;stdcall;
var
WndCaption: array[0..254] of Char;
begin
if IsWindowVisible(AWnd) then
begin
GetWindowText(AWnd, @WndCaption, 254);
if WndCaption[0]<>chr(0) then
Form1.ListBox1.Items.Add(Format('%d = %s',[AWnd,StrPas(WndCaption)]));
end;
Result := True;
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
EnumWindows(@EnumWndProc,0);
end;
(注意uses TLHelp32)
然后
var lppe: TProcessEntry32;
found : boolean;
Hand : THandle;
begin
Hand := CreateToolhelp32Snapshot(TH32CS_SNAPALL,0);
found := Process32First(Hand,lppe);
while found do
begin
ListBox.Items.Add(StrPas(lppe.szExeFile));//列出所有进程。
found := Process32Next(Hand,lppe);
end;
end;
var
Form1: TForm1;
l : Tlist; ////返回的东东在"L"这个TList中。
type
TProcessInfo = Record
ExeFile : String;
ProcessID : DWORD;
end;
pProcessInfo = ^TProcessInfo;
implementation
{$R *.DFM}
procedure TForm1.FormCreate(Sender: TObject);
var p : pProcessInfo;
i : integer;
ContinueLoop:BOOL;
var
FSnapshotHandle:THandle;
FProcessEntry32:TProcessEntry32;
begin
l := TList.Create;
l.Clear;
FSnapshotHandle:=CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
FProcessEntry32.dwSize:=Sizeof(FProcessEntry32);
ContinueLoop:=Process32First(FSnapshotHandle,FProcessEntry32);
while integer(ContinueLoop)<>0 do
begin
New(p);
p.ExeFile := FProcessEntry32.szExeFile;
p.ProcessID := FProcessEntry32.th32ProcessID;
l.Add(p);
ContinueLoop:=Process32Next(FSnapshotHandle,FProcessEntry32);
end;
end;
procedure TForm1.FormDestroy(Sender: TObject);
var p : pProcessInfo;
i : integer;
begin
With l do
for i := Count - 1 DownTo 0 do
begin p := items[i]; Dispose(p); Delete(i); end;
end;