我帮忙链贴过来.
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
Activex, Comobj, StdCtrls, ComCtrls, Grids;
const
STATURL_QUERYFLAG_ISCACHED = $00010000;
STATURL_QUERYFLAG_NOURL = $00020000;
STATURL_QUERYFLAG_NOTITLE = $00040000;
STATURL_QUERYFLAG_TOPLEVEL = $00080000;
STATURLFLAG_ISCACHED = $00000001;
STATURLFLAG_ISTOPLEVEL = $00000002;
IID_IEnumStatUrl: TGUID = (D1: $3C374A42; D2: $BAE4; D3: $11CF; D4: ($BF, $7D, $00, $AA, $00, $69, $46, $EE));
IID_IUrlHistoryStg: TGUID = (D1: $3C374A41; D2: $BAE4; D3: $11CF; D4: ($BF, $7D, $00, $AA, $00, $69, $46, $EE));
IID_IUrlHistoryStg2: TGUID = (D1: $AFA0DC11; D2: $C313; D3: $831A; D4: ($83, $1A, $00, $C0, $4F, $D5, $AE, $38));
IID_IUrlHistoryNotify: TGUID = (D1: $BC40BEC1; D2: $C493; D3: $11D0; D4: ($83, $1B, $00, $C0, $4F, $D5, $AE, $38));
SID_IEnumStatUrl = '{3C374A42-BAE4-11CF-BF7D-00AA006946EE}';
SID_IUrlHistoryStg = '{3C374A41-BAE4-11CF-BF7D-00AA006946EE}';
SID_IUrlHistoryStg2 = '{AFA0DC11-C313-11d0-831A-00C04FD5AE38}';
SID_IURLHistoryNotify = '{BC40BEC1-C493-11d0-831B-00C04FD5AE38}';
CLSID_CUrlHistory: TGUID = '{3C374A40-BAE4-11CF-BF7D-00AA006946EE}';
type
STATURL = record
cbSize: DWORD;
pwcsUrl: DWORD;
pwcsTitle: DWORD;
ftLastVisited: FILETIME;
ftLastUpdated: FILETIME;
ftExpires: FILETIME;
dwFlags: DWORD;
end;
IEnumSTATURL = interface(IUnknown)
['{3C374A42-BAE4-11CF-BF7D-00AA006946EE}']
function Next(celt: Integer; out elt; pceltFetched: PLongint): HRESULT; stdcall;
function Skip(celt: Longint): HRESULT; stdcall;
function Reset: HResult; stdcall;
function Clone(out ppenum: IEnumSTATURL): HResult; stdcall;
function SetFilter(poszFilter: PWideChar; dwFlags: DWORD): HResult; stdcall;
end;
IUrlHistoryStg = interface(IUnknown)
['{3C374A41-BAE4-11CF-BF7D-00AA006946EE}']
function AddUrl(pocsUrl: PWideChar; pocsTitle: PWideChar; dwFlags: Integer): HResult; stdcall;
function DeleteUrl(pocsUrl: PWideChar; dwFlags: Integer): HResult; stdcall;
function QueryUrl(pocsUrl: PWideChar; dwFlags: Integer; var lpSTATURL: STATURL): HResult; stdcall;
function BindToObject(pocsUrl: PWideChar; var riid: TIID; out ppvOut: Pointer): HResult; stdcall;
function EnumUrls(out ppenum: IEnumSTATURL): HResult; stdcall;
end;
IUrlHistoryStg2 = interface(IUrlHistoryStg)
['{AFA0DC11-C313-11D0-831A-00C04FD5AE38}']
function AddUrlAndNotify(pocsUrl: PWideChar; pocsTitle: PWideChar; dwFlags: Integer;
fWriteHistory: Integer; var poctNotify: Pointer;
const punkISFolder: IUnknown): HResult; stdcall;
function ClearHistory: HResult; stdcall;
end;
IUrlHistoryNotify = interface(IOleCommandTarget)
['{BC40BEC1-C493-11d0-831B-00C04FD5AE38}']
end;
TForm1 = class(TForm)
StringGrid1: TStringGrid;
RetrieveBtn: TButton;
ClearBtn: TButton;
procedure RetrieveBtnClick(Sender: TObject);
procedure ClearBtnClick(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
I: IUrlHistoryStg2;
implementation
{$R *.DFM}
function FileTimeToDt(Ft: TFileTime): TDateTime;
var
l: Integer;
lft: TFileTime;
begin
FileTimeToLocalFiletime(Ft, lft);
if FileTimeToDosDateTime(lft, Longrec(l).Hi, Longrec(l).Lo) then
result := FiledateToDatetime(l) else
result := 0;
end;
procedure TForm1.RetrieveBtnClick(Sender: TObject);//得到历史记录
var
r: Staturl;
Enum: IEnumStatUrl;
X: Integer;
Row: Integer;
begin
StringGrid1.Cells[0, 0] := 'Last Visited';
StringGrid1.Cells[1, 0] := 'Title';
StringGrid1.Cells[2, 0] := 'Url';
StringGrid1.Cells[3, 0] := 'Last Updated';
StringGrid1.Cells[4, 0] := 'Expires';
Row := 0;
I := CreateComObject(ClsId_CUrlHistory) as IUrlHistoryStg2;
I.EnumUrls(Enum);
Enum.SetFilter('http://', 0);
while enum.next(1, r, @X) = S_OK do begin
Inc(Row);
StringGrid1.RowCount := Row + 1;
Stringgrid1.Cells[0, Row] := DateTimeToStr(FileTimeToDt(r.ftLastVisited));
Stringgrid1.Cells[1, Row] := PWidechar(Pointer(r.pwcsTitle));
Stringgrid1.Cells[2, Row] := PWidechar(Pointer(r.pwcsUrl));
Stringgrid1.Cells[3, Row] := DateTimeToStr(FileTimeToDt(r.ftLastUpdated));
Stringgrid1.Cells[4, Row] := DateTimeToStr(FileTimeToDt(r.ftExpires));
end;
end;
procedure TForm1.ClearBtnClick(Sender: TObject);//这儿清空历史记录
begin
I.ClearHistory;
end;
end.