public static string GetPortOwner(string targetPort, ref string appName, ref Process ownProcess)
{
List <Process> listProcs = new List <Process>();
Process[] allSecureCrtProcess = Process.GetProcessesByName("SecureCRT");
Process[] allTeraTermProcess = Process.GetProcessesByName("ttermpro");
Process[] allMultyTermProcess = Process.GetProcessesByName("Multy-Term");
listProcs.AddRange(allSecureCrtProcess);
listProcs.AddRange(allTeraTermProcess);
listProcs.AddRange(allMultyTermProcess);
foreach (Process proc in listProcs)
{
ArrayList handles = new HandleWrapper(proc.Id).GetComFileHandle();
ArrayList ports = ComPortControlTable.GetPorts(handles);
foreach (string port in ports)
{
if (port == targetPort)
{
try
{
string owner = Utility.GetProcessOwner(proc.Id);
//string sid = null;
//string owner = ProcessOwnerFinderWmi.GetProcessOwnerByPID(proc.Id, out sid);
if (allSecureCrtProcess.Contains(proc))
{
appName = "SecureCRT";
}
else if (allTeraTermProcess.Contains(proc))
{
appName = "TeraTerm";
}
else if (allMultyTermProcess.Contains(proc))
{
appName = "Multy-Term";
}
else
{
appName = "???";
}
ownProcess = proc;
return(owner);
}
catch
{
continue;
}
}
}
}
return(null);
}
static public void RefreshAll()
{
ResetDetectedFlag();
//Get all processes that are opening serial port by utility "handle"
List <ProcessOwnInfo> listOwnProcesses =
HandleWrapper.GetAllOwnProcesses(ComPortControlTable.DeviceNamePatterns);
if (listOwnProcesses == null)
{
return;
}
//Usually, one process often opens more than one serial port, so here creats the dictionary
//to store the process that have known its owner, so as not to search process owner twice.
Dictionary <int, string> procOwnerTable = new Dictionary <int, string>(); //key: process ID; value: owner
foreach (ProcessOwnInfo pinfo in listOwnProcesses)
{
string owner = null;
string procName = null;
Application.DoEvents();
//here map the device name to serial port name
ComPortItem citem = ComPortControlTable.GetItemByDevieName(pinfo.DeviceName);
if (citem == null)
{
continue;
}
//We have searched the process owner before, we just copy its result,
//so as not to search twice.
if (procOwnerTable.ContainsKey(pinfo.ProcessId))
{
owner = procOwnerTable[pinfo.ProcessId];
}
else
{
//We havn't searched the process owner before
string sid = null;
owner = Utility.GetProcessOwner(pinfo.ProcessId, true);
//owner = ProcessOwnerFinderWmi.GetProcessOwnerByPID(pinfo.ProcessId, out sid);
if (owner == null) //search owner failed
{
continue;
}
procOwnerTable.Add(pinfo.ProcessId, owner);
}
procName = pinfo.ProcessName;
//if the process name have suffix ".exe", we just remove it to have nice format data show to user.
int exeindex = pinfo.ProcessName.LastIndexOf(".exe");
if (exeindex > 0)
{
procName = pinfo.ProcessName.Substring(0, exeindex); //remove the suffix ".exe"
}
//update the serial port info as we get all result.
if (citem.Update(owner, procName, pinfo.ProcessName + " (" + pinfo.ProcessId + ")", pinfo.ProcessId))
{
citem.GuiItem.SubItems[1].Text = citem.FormatedOwner;
citem.GuiItem.SubItems[2].Text = citem.OwnAppName;
citem.GuiItem.SubItems[3].Text = citem.OwnDetailProcessInfo;
}
citem.DetectedFlag = true; //mark the serial port is detected be opened.
}
//handle other serial ports that is not opening, so reset the info to empty.
ComPortItem[] allItems = ComPortControlTable.AllItems;
foreach (ComPortItem item in allItems)
{
if (item.GuiItem != null && !item.DetectedFlag)
{
item.ClearContent();
}
}
}