【delphi源码】清空回收站代码

清空回收站代码
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
const
SHERB_NOCONFIRMATION = $00000001 ;
SHERB_NOPROGRESSUI = $00000002 ;
SHERB_NOSOUND = $00000004 ;
type
TSHEmptyRecycleBin=function(Wnd:HWND;LPCTSTR:PChar;DWORD:Word):Integer;stdcall;
{$R *.dfm}
procedure TForm1.Button1Click(Sender: TObject);
var
SHEmptyRecycleBin:TSHEmptyRecycleBin;
LibHandle:THandle;
begin
LibHandle := LoadLibrary(PChar('Shell32.dll')) ;
if LibHandle <> 0 then
begin
@SHEmptyRecycleBin := GetProcAddress(LibHandle, 'SHEmptyRecycleBinA');
end
else
begin
MessageDlg('Failed to load Shell32.dll.', mtError, [mbOK], 0);
Exit ;
end ;
if @SHEmptyRecycleBin <> nil then
begin
SHEmptyRecycleBin(Application.Handle,'',SHERB_NOCONFIRMATION or
SHERB_NOPROGRESSUI or SHERB_NOSOUND) ;
end;
FreeLibrary(LibHandle);
@SHEmptyRecycleBin := nil ;
end;
end.

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