剪贴板的流存储(2)

, vClipboardFileItem.rSize); finally GlobalUnlock(vData); end; end; finally Clipboard.Close; end; Result := True; end; { ClipboardSaveToStream }

function ClipboardLoadFromStream(mStream: TStream): Boolean;
var
  vClipboardFileHead: TClipboardFileHead;
  vClipboardFileItem: TClipboardFileItem;
  I: Integer;
  vData: THandle;
begin
  Result := False;
  if not Assigned(mStream) then Exit;
  if mStream.Size <= SizeOf(vClipboardFileHead) then Exit;
  mStream.Read(vClipboardFileHead, SizeOf(vClipboardFileHead));
  if vClipboardFileHead.rIdent <> rDataIdnet then Exit;
  Clipboard.Clear;
  Clipboard.Open;
  try
    for I := 0 to vClipboardFileHead.rCount - 1 do begin
      mStream.Read(vClipboardFileItem, SizeOf(vClipboardFileItem) -
        SizeOf(vClipboardFileItem.rData));
      vData := GlobalAlloc(GMEM_MOVEABLE   GMEM_DDESHARE,
        vClipboardFileItem.rSize);
      try
        vClipboardFileItem.rData := GlobalLock(vData);
        try
          mStream.Read(vClipboardFileItem.rData^, vClipboardFileItem.rSize);
          SetClipboardData(vClipboardFileItem.rFormat, vData);
        finally
          GlobalUnlock(vData);
        end;
      finally
        GlobalFree(vData);
      end;
    end;
  finally
    Clipboard.Close;
  end;
  Result := True;
end; { ClipboardLoadFromStream }
///////End Source

///////Begin Demo
procedure TFormClipboard.ButtonSaveClick(Sender: TObject);
var
  vMemoryStream: TMemoryStream;
			   
			   

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