Форум: "WinAPI";
Текущий архив: 2004.07.11;
Скачать: [xml.tar.bz2];
ВнизProgresBar при копировании Найти похожие ветки
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eRoR_rrr (2004-06-02 15:22) [0]Как при копировании файла показать прогресбар, то есть сколько процентов скопировалось
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Anatoly Podgoretsky © (2004-06-02 15:33) [1]TProgressVar.Create
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Anatoly Podgoretsky © (2004-06-02 15:35) [2]Снимаю ответ, не посмотрел какая конференция.
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NAlexey © (2004-06-02 16:12) [3]В каком то вопросе уже отвечал не помню. Вот полный код:
procedure FastFileCopy(const hProgress: HWND; InFileName, OutFileName: string);
const
BufSize = 3*4*4096; { 48Kbytes gives me the best results }
type
PBuffer = ^TBuffer;
TBuffer = array[1..BufSize] of Byte;
var
Size: DWORD;
Buffer: PBuffer;
infile, outfile: file;
SizeDone, SizeFile: LongInt;
begin
if (InFileName <> OutFileName) then
begin
buffer := nil;
Assign(infile, InFileName);
Reset(infile, 1);
try
SizeFile := FileSize(infile);
Assign(outfile, OutFileName);
Rewrite(outfile, 1);
SendMessage(hProgress, PBM_SETRANGE, 0, MAKELPARAM(0, SizeFile div BufSize));
SendMessage(hProgress, PBM_SETSTEP, 1, 0);
try
SizeDone := 0;
New(Buffer);
repeat
BlockRead(infile, Buffer^, BufSize, Size);
Inc(SizeDone{, BufSize});
SendMessage(hProgress, PBM_SETPOS, SizeDone, 0);
BlockWrite(outfile, Buffer^, Size)
until Size < BufSize;
FileSetDate(TFileRec(outfile).Handle,
FileGetDate(TFileRec(infile).Handle));
finally
if Buffer <> nil then
Dispose(Buffer);
CloseFile(outfile)
end;
finally
CloseFile(infile);
end;
end;
end;
function WindProc(hWindow: HWnd; Message, wParam, lParam: Integer): Integer; stdcall;
begin
Result := 0;
case Message of
WM_DESTROY:
begin
PostQuitMessage(0);
Exit;
end;
else
Result := DefWindowProc(hWindow, Message, wParam, lParam);
end;
end;
procedure TForm1.Button1Click(Sender: TObject);
var
hWindow: THandle;
PB: THandle;
Inst: HINST;
function GetSplashWindow: THandle;
var
WinClass: WNDCLASS;
Left, Top, W, H: Integer;
begin
WinClass.style := 0;
WinClass.cbClsExtra := 0;
WinClass.cbWndExtra := 0;
WinClass.hInstance := hInstance;
WinClass.hIcon := 0;
WinClass.hCursor := LoadCursor(0, IDC_ARROW);;
WinClass.hbrBackground := color_btnface + 1;
WinClass.lpszMenuName := nil;
WinClass.lpszClassName := "ProgressWindow";
WinClass.lpfnWndProc := @WindProc;
Windows.RegisterClass(WinClass);
W := 300;
H := 50;
Left := (Screen.Width - W) div 2;
Top := (Screen.Height - H) div 2;
Result := CreateWindowEx(WS_EX_TOOLWINDOW or
WS_EX_DLGMODALFRAME or WS_EX_TOPMOST,
WinClass.lpszClassName, "????", WS_CAPTION{WS_POPUP}, Left,
Top, W, H, HWND_DESKTOP, 0, HInstance, nil);
end;
begin
Inst := HInstance;
hWindow := GetSplashWindow;
PB := CreateWindow("msctls_progress32", "progressbar", WS_VISIBLE or WS_CHILD {or WS_BORDER},
5, 5, 280, 15, hWindow, 0, Inst, nil);
SendMessage(PB, PBM_SETPOS, 0, 0);
ShowWindow(hWindow, SW_NORMAL);
FastFileCopy(PB, "C:\Data.rar", "C:\Data1.rar")
end;
Страницы: 1 вся ветка
Форум: "WinAPI";
Текущий архив: 2004.07.11;
Скачать: [xml.tar.bz2];
Память: 0.47 MB
Время: 0.035 c