//kod yazarı Gustav Evertsson
function GetInetFile
(const fileURL, FileName: String): boolean;
const BufferSize = 1024;
var
hSession, hURL: HInternet;
Buffer: array[1..BufferSize] of Byte;
BufferLen: DWORD;
f: File;
sAppName: string;
begin
Result:=False;
sAppName := ExtractFileName(Application.ExeName);
hSession := InternetOpen(PChar(sAppName),
INTERNET_OPEN_TYPE_PRECONFIG,
nil, nil, 0);
try
hURL := InternetOpenURL(hSession,
PChar(fileURL),
nil,0,0,0);
try
AssignFile(f, FileName);
Rewrite(f,1);
repeat
InternetReadFile(hURL, @Buffer,
SizeOf(Buffer), BufferLen);
BlockWrite(f, Buffer, BufferLen)
until BufferLen = 0;
CloseFile(f);
Result:=True;
finally
InternetCloseHandle(hURL)
end
finally
InternetCloseHandle(hSession)
end
end;
procedure TForm1.button1Click(Sender: TObject);
var InternetFile,LocalFile: string;
begin
InternetFile:=' http://www.delphitips.com/images/delphispirit.gif';
LocalFile:='c:/delphispirit.gif';
if GetInetFile(IntrnetFile,LocalFile)=True then
ShowMessage('download')
else
ShowMessage('Can not download the updated files');
end;