public static int GetProcessIdByName(string processName)
{
IntPtr handle = CreateToolhelp32Snapshot(0x2, 0);
if ((int)handle > 0)
{
List <ProcessEntry32> list = new List <ProcessEntry32>();
ProcessEntry32 pe32 = new ProcessEntry32();
pe32.dwSize = (uint)Marshal.SizeOf(pe32);
int bMore = Process32First(handle, ref pe32);
while (bMore == 1)
{
IntPtr temp = Marshal.AllocHGlobal((int)pe32.dwSize);
Marshal.StructureToPtr(pe32, temp, true);
ProcessEntry32 pe = (ProcessEntry32)Marshal.PtrToStructure(temp, typeof(ProcessEntry32));
Marshal.FreeHGlobal(temp);
list.Add(pe);
bMore = Process32Next(handle, ref pe32);
}
CloseHandle(handle);
foreach (ProcessEntry32 p in list)
{
if (p.szExeFile.Equals(processName))
{
return((int)p.th32ProcessID);
}
}
}
return(0);
}
private IntPtr FindTrueAOWHandle()
{
IntPtr aowHandle = IntPtr.Zero;
uint maxThread = 0;
IntPtr handle = CreateToolhelp32Snapshot(0x2, 0);
if ((int)handle > 0)
{
ProcessEntry32 pe32 = new ProcessEntry32();
pe32.dwSize = (uint)Marshal.SizeOf(pe32);
int bMore = Process32First(handle, ref pe32);
while (bMore == 1)
{
IntPtr temp = Marshal.AllocHGlobal((int)pe32.dwSize);
Marshal.StructureToPtr(pe32, temp, true);
ProcessEntry32 pe = (ProcessEntry32)Marshal.PtrToStructure(temp, typeof(ProcessEntry32));
Marshal.FreeHGlobal(temp);
if (pe.szExeFile.Contains("aow_exe.exe") && pe.cntThreads > maxThread)
{
maxThread = pe.cntThreads;
aowHandle = (IntPtr)pe.th32ProcessID;
}
bMore = Process32Next(handle, ref pe32);
}
CloseHandle(handle);
}
return(aowHandle);
}
public static Process Parent(this Process process)
{
int SnapShot = CreateToolhelp32Snapshot(0x00000002, 0); //2 = SNAPSHOT of all procs
try
{
ProcessEntry32 pe32 = new ProcessEntry32();
pe32.dwSize = 296;
int procid = process.Id;
while (Process32Next(SnapShot, ref pe32) != 0)
{
string xname = pe32.szExeFile.ToString();
if (procid == pe32.th32ProcessID)
{
return System.Diagnostics.Process.GetProcessById(Convert.ToInt32(pe32.th32ParentProcessID));
}
}
}
catch (Exception ex)
{
throw new Exception(System.Reflection.MethodBase.GetCurrentMethod() + " failed! [Type:" + ex.GetType().ToString() + ", Msg:" + ex.Message + "]");
}
finally
{
CloseHandle(SnapShot);
}
return null;
}
//Return ProcessList -> Dont change GlobalVariables
public static List <string> GetListSimple()
{
IntPtr handle = CreateToolhelp32Snapshot(0x2, 0);
List <string> newProcessList = new List <string>();
if ((int)handle > 0)
{
List <ProcessEntry32> list = new List <ProcessEntry32>();
ProcessEntry32 pe32 = new ProcessEntry32();
pe32.dwSize = (uint)Marshal.SizeOf(pe32);
int bMore = Process32First(handle, ref pe32);
while (bMore == 1)
{
IntPtr temp = Marshal.AllocHGlobal((int)pe32.dwSize);
Marshal.StructureToPtr(pe32, temp, true);
ProcessEntry32 pe = Marshal.PtrToStructure <ProcessEntry32>(temp);
Marshal.FreeHGlobal(temp);
list.Add(pe);
bMore = Process32Next(handle, ref pe32);
}
CloseHandle(handle);
//Create temp List to compare running tasks
foreach (ProcessEntry32 p in list)
{
newProcessList.Add(p.szExeFile.ToLower());
}
}
return(newProcessList);
}
public static ProcessEntry[] GetProcessEntries()
{
IntPtr hSnapshot = Kernel32.CreateToolhelp32Snapshot(SnapshotFlags.Process, 0);
if (hSnapshot.IsZero())
{
return(null);
}
ProcessEntry32 pe32 = default(ProcessEntry32);
pe32.dwSize = (uint)ProcessEntry32.Size;
if (!Kernel32.Process32First(hSnapshot, ref pe32))
{
Kernel32.CloseHandle(hSnapshot);
return(null);
}
List <ProcessEntry> processEntries = new List <ProcessEntry>();
do
{
processEntries.Add(new ProcessEntry(pe32));
} while (Kernel32.Process32Next(hSnapshot, ref pe32));
Kernel32.CloseHandle(hSnapshot);
return(processEntries.ToArray());
}
public static Process Parent(this Process process)
{
int SnapShot = CreateToolhelp32Snapshot(0x00000002, 0); //2 = SNAPSHOT of all procs
try
{
ProcessEntry32 pe32 = new ProcessEntry32();
pe32.dwSize = 296;
int procid = process.Id;
while (Process32Next(SnapShot, ref pe32) != 0)
{
string xname = pe32.szExeFile.ToString();
if (procid == pe32.th32ProcessID)
{
return(System.Diagnostics.Process.GetProcessById(Convert.ToInt32(pe32.th32ParentProcessID)));
}
}
}
catch (Exception ex)
{
throw new Exception(System.Reflection.MethodBase.GetCurrentMethod() + " failed! [Type:" + ex.GetType().ToString() + ", Msg:" + ex.Message + "]");
}
finally
{
CloseHandle(SnapShot);
}
return(null);
}
public static Process FindParentProcess()
{
var snapShot = CreateToolhelp32Snapshot(0x00000002, 0); //2 = SNAPSHOT of all procs
try
{
var pe32 = new ProcessEntry32 {
dwSize = 296
};
var procid = Process.GetCurrentProcess().Id;
while (Process32Next(snapShot, ref pe32) != 0)
{
if (procid == pe32.th32ProcessID)
{
return(Process.GetProcessById(Convert.ToInt32(pe32.th32ParentProcessID)));
}
}
}
catch (Exception ex)
{
throw new Exception(System.Reflection.MethodBase.GetCurrentMethod() + " failed! [Type:" + ex.GetType() + ", Msg:" + ex.Message + "]");
}
finally
{
CloseHandle(snapShot);
}
return(null);
}
/// <summary>
/// Gets the parent process id
/// </summary>
public static int?GetParentProcessId(int processId)
{
IntPtr snapshot = IntPtr.Zero;
try
{
snapshot = CreateToolhelp32Snapshot(SnapshotFlags.Process, 0);
ProcessEntry32 processEntry = Process32First(snapshot);
do
{
if (processEntry.processId == processId)
{
return((int)processEntry.parentProcessId);
}
} while (Process32Next(snapshot, ref processEntry));
}
catch (Exception)
{ }
finally
{
if (snapshot != IntPtr.Zero)
{
CloseHandle(snapshot);
}
}
return(null);
}
internal ProcessEntry(ProcessEntry32 pe32)
{
ImageName = pe32.szExeFile;
Id = pe32.th32ProcessID;
Usage = pe32.cntUsage;
Threads = pe32.cntThreads;
ParentId = pe32.th32ParentProcessID;
ModuleId = pe32.th32ModuleID;
DefaultHeapId = pe32.th32DefaultHeapID;
PriorityClassBase = pe32.pcPriClassBase;
Flags = pe32.dwFlags;
}
private static ProcessEntry32 Process32First(IntPtr snapshot)
{
ProcessEntry32 processEntry = new ProcessEntry32(size: null);
if (!Process32First(snapshot, ref processEntry))
{
int error = Marshal.GetLastWin32Error();
if (error != ERROR_NO_MORE_FILES)
{
throw new InvalidOperationException("Win32 Error 0x" + error.ToString("X8", CultureInfo.InvariantCulture));
}
}
return(processEntry);
}
private void GetProcessesList()
{
var proc = NativeMethods.CreateToolhelp32Snapshot(SnapshotFlags.Process, 0);
var entry = new ProcessEntry32();
entry.dwSize = (uint)Marshal.SizeOf(entry);
if (NativeMethods.Process32First(proc, ref entry))
{
do
{
allProcesses.Add(new Models.ProcessTree(entry));
} while (NativeMethods.Process32Next(proc, ref entry));
}
NativeMethods.CloseHandle(proc);
}
public static IEnumerable <ProcessEntry> GetProcesses()
{
using var snapShotHandle = CreateToolhelp32Snapshot(SnapshotFlags.TH32CS_SNAPPROCESS, 0);
var entry = new ProcessEntry32
{
dwSize = (uint)Marshal.SizeOf(typeof(ProcessEntry32)),
};
var result = Process32First(snapShotHandle, ref entry);
while (result != 0)
{
yield return(new ProcessEntry(entry.th32ProcessID, entry.th32ParentProcessID));
result = Process32Next(snapShotHandle, ref entry);
}
}
public static int GetNumberRunning(string pname)
{
int ProcCount = 0;
int SnapShot = CreateToolhelp32Snapshot(0x00000002, 0);
ProcessEntry32 pe32 = new ProcessEntry32();
pe32.dwSize = 296;
while (Process32Next(SnapShot, ref pe32) != 0)
{
string xname = pe32.szExeFile.ToString();
if (pname.CompareTo(xname) == 0)
{
ProcCount++;
}
}
CloseHandle(SnapShot);
return(ProcCount);
}
public static uint GetProcessIdForProcess(string pname)
{
uint procid = 0;
int SnapShot = CreateToolhelp32Snapshot(0x00000002, 0);
ProcessEntry32 pe32 = new ProcessEntry32();
pe32.dwSize = 296;
while (Process32Next(SnapShot, ref pe32) != 0)
{
string xname = pe32.szExeFile.ToString();
if (pname.CompareTo(xname) == 0)
{
procid = pe32.th32ProcessID;
break;
}
}
CloseHandle(SnapShot);
return(procid);
}
/// <summary>
///
/// </summary>
/// <param name="hSnapshot"></param>
/// <param name="pe32"></param>
/// <returns></returns>
public static bool Process32Next(IntPtr hSnapshot, ref ProcessEntry32 pe32, [CallerMemberName] string callerName = "")
{
if (!PInvokeDebugger.LoggingEnabled)
{
return(PInvoke_Process32Next(hSnapshot, ref pe32));
}
bool returnValue = PInvoke_Process32Next(hSnapshot, ref pe32);
PInvokeDebugInfo debugInfo = PInvokeDebugInfo.TraceDebugInfo(
ModuleName,
nameof(Process32Next),
callerName,
returnValue,
false,
nameof(hSnapshot), hSnapshot,
nameof(pe32), pe32
);
PInvokeDebugger.SafeCapture(debugInfo);
return(returnValue);
}
public static ProcessEntry32[] GetProcesses(string ExeName)
{
System.Collections.ArrayList pal = new System.Collections.ArrayList();
int handle = CreateToolhelp32Snapshot(2, 0);
if (handle > 0)
{
try
{
StringBuilder sb = new StringBuilder(" ", 256);
ProcessEntry32 pe32 = new ProcessEntry32();
pe32.szExeFile = sb.ToString();
uint size = 548; // sizeof ints + twice size of sb (thanks to unicode)
pe32.dwSize = (uint)size;
int retval = Process32First(handle, ref pe32);
while (retval == 1)
{
if (pe32.szExeFile.ToLower() == ExeName.ToLower())
{
pal.Add(pe32);
}
size = 548;
pe32.dwSize = size;
retval = Process32Next(handle, ref pe32);
}
return((ProcessEntry32[])pal.ToArray(typeof(ProcessEntry32)));
}
finally
{
CloseHandle(handle);
}
}
throw new Exception("Could not create snapshot.");
}
/// <summary>
/// Takes a snap shot of processes running on the computer, and searches for a
/// specified process name [name.exe].
/// </summary>
/// <param name="pname">Process name to be searched for.</param>
/// <returns>true if process found and false otherwise.</returns>
public static bool FindProcessByName(string pname)
{
int SnapShot = CreateToolhelp32Snapshot(0x00000002, 0);
ProcessEntry32 pe32 = new ProcessEntry32();
pe32.dwSize = 296;
while (Process32Next(SnapShot, ref pe32) != 0)
{
string xname = pe32.szExeFile.ToString();
if (pname.CompareTo(xname) == 0)
{
CloseHandle(SnapShot);
return(true);
}
}
CloseHandle(SnapShot);
return(false);
}
public static ProcessEntry32 GetProcess(int PID)
{
int handle = CreateToolhelp32Snapshot(2, 0);
if (handle > 0)
{
try
{
StringBuilder sb = new StringBuilder(" ", 256);
ProcessEntry32 pe32 = new ProcessEntry32();
pe32.szExeFile = sb.ToString();
uint size = 548; // sizeof ints + twice size of sb (thanks to unicode)
pe32.dwSize = (uint)size;
int retval = Process32First(handle, ref pe32);
while (retval == 1)
{
if (pe32.th32ProcessID == PID)
{
return(pe32);
}
size = 548;
pe32.dwSize = size;
retval = Process32Next(handle, ref pe32);
}
}
finally
{
CloseHandle(handle);
}
throw new Exception("Process with PID=" + PID.ToString() + " not found.");
}
throw new Exception("Could not create snapshot.");
}
private static void GetChildProcesses(Process process, List <Process> children)
{
IntPtr snapShotHandle = CreateToolhelp32Snapshot(SnapshotFlags.TH32CS_SNAPPROCESS, 0);
try
{
var entry = new ProcessEntry32();
entry.dwSize = (uint)Marshal.SizeOf(typeof(ProcessEntry32));
int result = Process32First(snapShotHandle, ref entry);
while (result != 0)
{
if (process.Id == entry.th32ParentProcessID)
{
try
{
var child = Process.GetProcessById((int)entry.th32ProcessID);
children.Add(child);
GetChildProcesses(child, children);
}
catch (ArgumentException)
{
// process might have exited since the snapshot, ignore it
}
}
result = Process32Next(snapShotHandle, ref entry);
}
}
finally
{
if (snapShotHandle != IntPtr.Zero)
{
CloseHandle(snapShotHandle);
}
}
}
public static extern int Process32Next(int handle, ref ProcessEntry32 pe);
private static extern bool Process32Next([In] IntPtr snapshot, [In, Out] ref ProcessEntry32 processEntry);
private static extern int Process32Next(SnapshotSafeHandle handle, ref ProcessEntry32 entry);
public static extern bool Process32Next(IntPtr snapshot, ref ProcessEntry32 entry);
public static extern int Process32First(IntPtr handle, ref ProcessEntry32 pe);
internal static extern bool Process32Next(IntPtr hSnapshot, ref ProcessEntry32 lppe);
private static extern int Process32Next(IntPtr handle, ref ProcessEntry32 entry);
public static int GetProcessIdByName(string processName)
{
IntPtr handle = CreateToolhelp32Snapshot(0x2, 0);
if ((int)handle > 0)
{
List<ProcessEntry32> list = new List<ProcessEntry32>();
ProcessEntry32 pe32 = new ProcessEntry32();
pe32.dwSize = (uint)Marshal.SizeOf(pe32);
int bMore = Process32First(handle, ref pe32);
while (bMore == 1)
{
IntPtr temp = Marshal.AllocHGlobal((int)pe32.dwSize);
Marshal.StructureToPtr(pe32, temp, true);
ProcessEntry32 pe = (ProcessEntry32)Marshal.PtrToStructure(temp, typeof(ProcessEntry32));
Marshal.FreeHGlobal(temp);
list.Add(pe);
bMore = Process32Next(handle, ref pe32);
}
CloseHandle(handle);
foreach (ProcessEntry32 p in list)
{
if(p.szExeFile.Equals(processName))
return (int)p.th32ProcessID;
}
}
return 0;
}
[DllImport("KERNEL32.DLL")] //[DllImport("toolhelp.dll")
public static extern int Process32Next(int handle, ref ProcessEntry32 pe);
private static extern int Process32Next(int handle, ref ProcessEntry32 pe);
public static extern int Process32First(IntPtr handle, ref ProcessEntry32 pe);
internal static extern bool PInvoke_Process32Next(IntPtr hSnapshot, ref ProcessEntry32 pe32);
public ProcessTree(ProcessEntry32 process)
{
processName = process.szExeFile;
processId = (int)process.th32ProcessID;
parrentId = (int)process.th32ParentProcessID;
}
//Create integration test that defines current process count
public static uint[] GetRunningProcessIDsSnapshot()
{
List <uint> processes = new List <uint>();
int processCount = 0;
using (var toolhelpHandler = ToolHelp.CreateToolhelp32Snapshot(ToolHelpFlags.TH32CS_SNAPPROCESS | ToolHelpFlags.TH32CS_SNAPNOHEAPS, 0))
{
ProcessEntry32 processEntry32 = new ProcessEntry32
{
dwSize = (uint)Marshal.SizeOf(typeof(ProcessEntry32))
};
var success = ToolHelp.Process32First(toolhelpHandler, ref processEntry32);
if (success)
{
//catch code there
}
Console.WriteLine("Error" + Marshal.GetLastWin32Error());
while (ToolHelp.Process32Next(toolhelpHandler, ref processEntry32))
{
processes.Add(processEntry32.th32ProcessID);
processCount++;
//Console.WriteLine("Process id: " + processEntry32.th32ProcessID + " Process Name: " + processEntry32.szExeFile);
}
Console.WriteLine("Process count: " + processCount);
}
return(processes.ToArray());
}
