uses
IniFiles;
procedure TForm1.Button1Click(Sender: TObject);
var
WinIni: TIniFile;
WinIniFileName: array [0..MAX_PATH] of char;
s: array [0..64] of char;
begin
GetWindowsDirectory(WinIniFileName, sizeof(WinIniFileName));
StrCat(WinIniFileName, '\win.ini');
WinIni := TIniFile.Create(WinIniFileName);
try
WinIni.WriteString('windows','device', 'HP LaserJet Series II,HPPCL,LPT1:');
finally
WinIni.Free;
end;
StrCopy(S, 'windows');
SendMessage(HWND_BROADCAST, WM_WININICHANGE, 0, LongInt(@S));
end;
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