empty recycle bin/de

uses
  Windows, SysUtils, ...;
  
  ...
  
function funPapierkorbLeeren: boolean;
const
  SHERB_NOCONFIRMATION = $00000001;
  SHERB_NOPROGRESSUI = $00000002;
  SHERB_NOSOUND = $00000004;

type
  {Definition der aufzurufenden Funktion wie Sie in der DLL Shell32.dll
  definiert ist}
  TSHEmptyRecycleBin = function(Wnd: HWND; pszRootPath: PChar; dwrFlag: DWORD):
    HRESULT; stdcall;
var
  SHEmptyRecycleBin: TSHEmptyRecycleBin;
  LibHandle: THandle;

begin

  Result := False;

  // Ermittelt den Handle der Library
  LibHandle := LoadLibrary(PChar('Shell32.dll'));

  try
    if LibHandle <> 0 then
    begin
      {Weisst der Variablen SHEmptyRecycleBin die Adresse des Funktionsaufrufs
       der Funktion aus der DLL Shell32.dll zu.}
      Pointer(SHEmptyRecycleBin) := GetProcAddress(LibHandle, 'SHEmptyRecycleBinA');
      if @SHEmptyRecycleBin <> nil then
      begin
        //SHEmptyRecycleBin(Application-Handle ermitteln, ...
        SHEmptyRecycleBin(GetParent(Form1.Handle), nil,
          SHERB_NOCONFIRMATION or SHERB_NOPROGRESSUI or SHERB_NOSOUND);
        Result := True;
      end;
    end;
  finally
    SHEmptyRecycleBin := nil;
    FreeLibrary(LibHandle);
  end;
end;

  ...