private static void SpawnConhostProcess(bool mute)
{
Process cmdProcess = new Process();
cmdProcess.StartInfo.FileName = "cmd.exe";
cmdProcess.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
cmdProcess.StartInfo.Arguments = "/k timeout 1 && \x07";
if (cmdProcess.Start() == false)
{
Logger.Instance.Debug($"Can't start {cmdProcess.StartInfo.FileName} {cmdProcess.StartInfo.Arguments}");
return;
}
int conhostProcessId = 0;
while (conhostProcessId == 0 && !cmdProcess.HasExited)
{
foreach (Process conhost in Process.GetProcessesByName("conhost"))
{
try
{
Process parent = ProcessUtils.ResolveParent(conhost.Id);
if (parent != null && cmdProcess.Id == parent.Id)
{
conhostProcessId = conhost.Id;
break;
}
}
catch (Win32Exception e)
{
Logger.Instance.Debug($"Exception with message \"{e.Message}\" on " +
$"getting process parent id for conhost process {conhost.Id}");
}
}
}
if (conhostProcessId == 0)
{
Logger.Instance.Debug($"Can't find child conhost process");
return;
}
bool?isMuted = null;
while (isMuted == null && !cmdProcess.HasExited)
{
isMuted = MuteProcess(conhostProcessId, true, true);
}
cmdProcess.WaitForExit(2000);
MuteProcess(conhostProcessId, mute);
cmdProcess.Kill();
}
private static void SpawnConhostProcess(bool mute)
{
Logger.Instance.Debug($"SpawnConhostProcess starts mute={mute}");
Process cmdProcess = new Process();
cmdProcess.StartInfo.FileName = "cmd.exe";
cmdProcess.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
cmdProcess.StartInfo.Arguments = "/k timeout 1 && \x07";
if (cmdProcess.Start() == false)
{
Logger.Instance.Debug($"Can't start {cmdProcess.StartInfo.FileName} {cmdProcess.StartInfo.Arguments}");
return;
}
const int sTimeout = 3;
int conhostProcessId = 0;
Calculate(() =>
{
if (!cmdProcess.HasExited)
{
foreach (Process conhost in Process.GetProcessesByName("conhost"))
{
try
{
Process parent = ProcessUtils.ResolveParent(conhost.Id);
if (parent != null && cmdProcess.Id == parent.Id)
{
conhostProcessId = conhost.Id;
return(true);
}
}
catch (Win32Exception e)
{
Logger.Instance.Debug($"Exception with message \"{e.Message}\" on " +
$"getting process parent id for conhost process {conhost.Id}");
}
}
}
return(false);
}, new TimeSpan(0, 0, sTimeout));
if (conhostProcessId == 0)
{
Logger.Instance.Debug($"Can't find child conhost process");
return;
}
Logger.Instance.Debug($"Spawned conhost process id={conhostProcessId}. Starting muting of generated bell sound.");
Calculate(() =>
{
return(MuteProcess(conhostProcessId, true, true) != null);
}, new TimeSpan(0, 0, sTimeout));
cmdProcess.WaitForExit(2000);
Logger.Instance.Debug($"Set conhost process mute state to {mute}.");
MuteProcess(conhostProcessId, mute);
cmdProcess.Kill();
Logger.Instance.Debug($"SpawnConhostProcess finishes mute={mute}");
}
