| Код | unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ShellAPI;
const
SHERB_NOCONFIRMATION = $1;
SHERB_NOPROGRESSUI = $2;
SHERB_NOSOUND = $4;
type
TForm1 = class(TForm)
btnGetRecicleBinFileCount: TButton;
btnEmptyRecicleBin: TButton;
btnDelToReciclebin: TButton;
procedure btnGetRecicleBinFileCountClick(Sender: TObject);
procedure btnEmptyRecicleBinClick(Sender: TObject);
procedure btnDelToReciclebinClick(Sender: TObject);
end;
type
TSHQueryRBInfo = packed record
cbSize : DWORD;
i64Size,
i64NumItems : TLargeInteger;
end;
PSHQueryRBInfo = ^TSHQueryRBInfo;
function SHEmptyRecycleBin(hwnd: HWND; pszRootPath: PChar;
dwFlags: DWORD): HRESULT; stdcall;
external 'shell32.dll' name 'SHEmptyRecycleBinA';
function SHQueryRecycleBin (pszRootPath: PChar;
var SHQueryRBInfo: TSHQueryRBInfo): HRESULT; stdcall;
external 'Shell32.dll' name 'SHQueryRecycleBinA';
var
Form1: TForm1;
implementation
{$R *.dfm}
// Просмотр состояния корзины (краткая информация)
procedure TForm1.btnGetRecicleBinFileCountClick(Sender: TObject);
var
Info: TSHQueryRBInfo;
Err: HRESULT;
begin
ZeroMemory(@Info, SizeOf(Info));
Info.cbSize := SizeOf(Info);
Err := SHQueryRecycleBin(nil, Info);
if Err = S_OK then
ShowMessage(Format('Всего в корзине %d эелементов, их общий размер: %d',
[Info.i64NumItems, Info.i64Size]))
else
ShowMessage(SysErrorMessage(Err));
end;
end. |
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