ViaThinkSoft CodeLib
This article is in:
CodeLib → Programming aids → Delphi
uses
MMSystem, Registry;
procedure PlayAppEventSound(EventName: string);
begin
PlaySound(PChar(EventName), 0, SND_APPLICATION or SND_ALIAS or SND_ASYNC or SND_NODEFAULT);
end;
procedure RegisterAppEventSound(AppDescription, EventName, EventDescription, WaveFile: string);
var
reg: TRegistry;
AppName: string;
begin
if (Copy(WaveFile, 2, 1) <> ':') and (Copy(WaveFile, 1, 2) <> '\\') then
WaveFile := IncludeTrailingPathDelimiter(ExtractFilePath(ParamStr(0))) + WaveFile;
reg := TRegistry.Create;
try
reg.RootKey := HKEY_CURRENT_USER;
AppName := ChangeFileExt(ExtractFileName(ParamStr(0)),'');
if not reg.KeyExists('AppEvents\Schemes\Apps\'+AppName)
and reg.OpenKey ('AppEvents\Schemes\Apps\'+AppName, true) then
begin
reg.WriteString('', AppDescription);
reg.CloseKey;
end;
if not reg.KeyExists('AppEvents\Schemes\Apps\'+AppName+'\'+EventName+'\.Current')
and reg.OpenKey ('AppEvents\Schemes\Apps\'+AppName+'\'+EventName+'\.Current', true) then
begin
reg.WriteString('', WaveFile);
reg.CloseKey;
end;
if not reg.KeyExists('AppEvents\Schemes\Apps\'+AppName+'\'+EventName+'\.Default')
and reg.OpenKey ('AppEvents\Schemes\Apps\'+AppName+'\'+EventName+'\.Default', true) then
begin
reg.WriteString('', WaveFile);
reg.CloseKey;
end;
if not reg.KeyExists('AppEvents\EventLabels\'+EventName)
and reg.OpenKey ('AppEvents\EventLabels\'+EventName, true) then
begin
reg.WriteString('', EventDescription);
reg.CloseKey;
end;
finally
FreeAndNil(reg);
end;
end;
const
MYAPP_EVENT_NEWVOICEMAIL = 'MYAPP_NewVoiceMail';
MYAPP_EVENT_TICKETSIGNAL = 'MYAPP_TicketSignal';
MYAPP_EVENT_TICKETOTHEREVENT = 'MYAPP_TicketOtherEvent';
procedure TForm6.Button1Click(Sender: TObject);
resourcestring
AppDescription = 'My App';
begin
// Run this at program startup
RegisterAppEventSound(AppDescription, MYAPP_EVENT_NEWVOICEMAIL, 'New voice mail', 'Sound1.wav');
RegisterAppEventSound(AppDescription, MYAPP_EVENT_TICKETSIGNAL, 'Ticket signal', 'Sound2.wav');
RegisterAppEventSound(AppDescription, MYAPP_EVENT_TICKETOTHEREVENT, 'Ticket event', 'Sound3.wav');
// Run this when you want to play the sound
PlayAppEventSound(MYAPP_EVENT_TICKETSIGNAL);
end;Daniel Marschall
ViaThinkSoft Co-Founder
ViaThinkSoft Co-Founder