private void WndProc(ref Message m)
{
if (m.Msg == MM.MM_MIXM_CONTROL_CHANGE) // Code 0x3D1 indicates a control change
{
int i = (int)(m.LParam);
if (i == spkrVolumeControlID || i == spkrMuteControlID)
{
long now = DateTime.Now.Ticks;
string type = this.ntNameVolumeDown;
int percent = 0;
// check for Mute first
bool wasMuted = false;
if (i == spkrMuteControlID)
{
int isMuted = MM.GetVolume(spkrMuteControl, spkrComponent);
if (isMuted > 0)
{
wasMuted = true;
}
}
// now handle volume
if (!wasMuted || i == spkrVolumeControlID)
{
int v = MM.GetVolume(spkrVolumeControl, spkrComponent);
percent = ConvertToPercentage(v);
}
QueueNotification(percent);
Console.WriteLine(String.Format("{0} - {1}", percent, DateTime.Now.Ticks));
}
}
}
public AppContext()
: base()
{
bool ok = false;
if (Environment.OSVersion.Version.Major > 5)
{
// Vista & higher
ok = true;
MMDeviceEnumerator devEnum = new MMDeviceEnumerator();
this.defaultDevice = devEnum.GetDefaultAudioEndpoint(EDataFlow.eRender, ERole.eMultimedia);
this.defaultDevice.AudioEndpointVolume.OnVolumeNotification += new AudioEndpointVolumeNotificationDelegate(AudioEndpointVolume_OnVolumeNotification);
}
else
{
this.spkrVolumeControlID = MM.GetControlID(spkrComponent, spkrVolumeControl);
this.spkrMuteControlID = MM.GetControlID(spkrComponent, spkrMuteControl);
if (this.spkrVolumeControlID > 0)
{
ok = true;
int v = MM.GetVolume(spkrVolumeControl, spkrComponent);
this.currentVolume = ConvertToPercentage(v);
this.hwnd = new Hwnd(WndProc);
int iw = (int)this.hwnd.Handle;
// ... and we can now activate the message monitor
bool b = MM.MonitorControl(iw);
}
}
if (ok)
{
NotificationType ntUp = new NotificationType(ntNameVolumeUp);
NotificationType ntDown = new NotificationType(ntNameVolumeDown);
NotificationType[] types = new NotificationType[] { ntUp, ntDown };
Growl.Connector.Application app = new Growl.Connector.Application(appName);
app.Icon = Properties.Resources.volumeter;
this.growl = new GrowlConnector();
this.growl.EncryptionAlgorithm = Cryptography.SymmetricAlgorithmType.PlainText;
this.growl.Register(app, types);
this.timer = new System.Timers.Timer(buffer);
this.timer.AutoReset = false;
this.timer.Elapsed += new System.Timers.ElapsedEventHandler(timer_Elapsed);
}
else
{
MessageBox.Show("No speaker/line out component found to monitor");
}
}
