Сохранение всего содержимого буфера обмена в файл

Материал из DRKB

Сохранение всего содержимого буфера обмена в файл[править | править код]

Из рассылки "Мастера DELPHI. Новости мира компонент,..."

var
  fs: TFileStream;
procedure TForm1.bClearClick(Sender: TObject);
begin
  OpenClipBoard(0);
  EmptyClipboard;
  CloseClipBoard;
end;

procedure TForm1.BSaveClick(Sender: TObject);
var
  CBF: Cardinal;
  CBFList: TList;
  i: Integer;
  h: THandle;
  p: Pointer;
  CBBlockLength, Temp: Cardinal;
  FS: TFileStream;
begin
  if OpenClipBoard(0)then
  begin
    CBFList := TList.Create;
    CBF := 0;
    repeat
      CBF := EnumClipboardFormats(CBF);
      if CBF <> 0 then
        CBFList.Add(Pointer(CBF));
    until CBF = 0;
    // Edit1.Text := IntToStr(CBFList.Count);
    if CBFList.Count > 0 then
    begin
      FS := TFileStream.Create('e:\cp.dat', fmCreate);
      Temp := CBFList.Count;
      FS.Write(Temp, SizeOf(Integer));
      for i := 0 to CBFList.Count-1 do
      begin
        h := GetClipboardData(Cardinal(CBFList[i]));
        if h > 0 then
        begin
          CBBlockLength := GlobalSize(h);
          if h > 0 then
          begin
            p := GlobalLock(h);
            if p <> nil then
            begin
              Temp := Cardinal(CBFList[i]);
              FS.Write(Temp, SizeOf(Cardinal));
              FS.Write(CBBlockLength, SizeOf(Cardinal));
              FS.Write(p^, CBBlockLength);
            end;
            GlobalUnlock(h);
          end;
        end;
      end;
      FS.Free;
    end;
    CBFList.Free;
    CloseClipBoard;
  end;
end;

procedure TForm1.bLoadClick(Sender: TObject);
var
  h: THandle;
  p: Pointer;
  CBF: Cardinal;
  CBBlockLength: Cardinal;
  i, CBCount: Integer;
  FS: TFileStream;
begin
  if OpenClipBoard(0)then
  begin
    FS := TFileStream.Create('e:\cp.dat', fmOpenRead);
    if FS.Size = 0 then Exit;
    FS.Read(CBCount, SizeOf(Integer));
    if CBCount = 0 then Exit;
    for i := 1 to CBCount do
    begin
      FS.Read(CBF, SizeOf(Cardinal));
      FS.Read(CBBlockLength, SizeOf(Cardinal));
      h := GlobalAlloc(GMEM_MOVEABLE or GMEM_SHARE or GMEM_ZEROINIT, CBBlockLength);
      if h > 0 then
      begin
        p := GlobalLock(h);
        if p = nil then
          GlobalFree(h)
        else
        begin
          FS.Read(p^, CBBlockLength);
          GlobalUnlock(h);
          SetClipboardData(CBF, h);
        end;
      end;
    end;
    FS.Free;
    CloseClipBoard;
  end;
end;


Source: Взято с Vingrad.ru http://forum.vingrad.ru
ID: 01891
ID: 01892