/// <summary>
/// Returns an array with information about running processes.
/// </summary>
///<exception cref="Win32Exception">Thrown when enumerating the processes fails.</exception>
public static ProcessInfo[] GetProcesses()
{
List <ProcessInfo> procList = new List <ProcessInfo>();
IntPtr handle = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS | TH32CS_SNAPNOHEAPS, 0);
if ((Int32)handle == INVALID_HANDLE_VALUE)
{
throw new Win32Exception(Marshal.GetLastWin32Error(), "CreateToolhelp32Snapshot error.");
}
try
{
PROCESSENTRY processentry = new PROCESSENTRY();
processentry.dwSize = (uint)Marshal.SizeOf(processentry);
//Get the first process
int retval = Process32First(handle, ref processentry);
while (retval == 1)
{
procList.Add(new ProcessInfo(new IntPtr((int)processentry.th32ProcessID), (int)processentry.cntThreads, (int)processentry.th32MemoryBase, (int)processentry.th32ParentProcessID));
retval = Process32Next(handle, ref processentry);
}
}
finally
{
CloseToolhelp32Snapshot(handle);
}
return(procList.ToArray());
}
private static bool Enumerate(ref List <ProcEntry> list)
{
try
{
if (list == null)
{
return(false);
}
list.Clear();
//IntPtr snapshot_ = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
IntPtr snapshot_ = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS | TH32CS_SNAPNOHEAPS, 0);
if (snapshot_ == IntPtr.Zero)
{
return(false);
}
PROCESSENTRY entry_ = new PROCESSENTRY();
entry_.dwSize = (uint)Marshal.SizeOf(entry_);
if (Process32First(snapshot_, ref entry_) == 0)
{
CloseToolhelp32Snapshot(snapshot_);
return(false);
}
do
{
ProcEntry procEntry = new ProcEntry();
procEntry.ExeName = entry_.szExeFile;
procEntry.ID = entry_.th32ProcessID;
list.Add(procEntry);
entry_.dwSize = (uint)Marshal.SizeOf(entry_);
}while (Process32Next(snapshot_, ref entry_) != 0);
CloseToolhelp32Snapshot(snapshot_);
return(true);
}
catch (Exception)
{
return(false);
}
}
/// <summary>
/// Finds the Process Id of the specified .EXE file.
/// </summary>
/// <param name="fullpath">The full path to an .EXE file.</param>
/// <returns>The Process Id to the process found. Return IntPtr.Zero if the process is not running.</returns>
///<exception cref="Win32Exception">Thrown when taking a system snapshot fails.</exception>
public static IntPtr FindProcessPID(string fullpath)
{
fullpath = fullpath.ToLower();
IntPtr snapshot_handle = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS | TH32CS_SNAPNOHEAPS, 0);
if ((Int32)snapshot_handle == INVALID_HANDLE_VALUE)
{
throw new Win32Exception(Marshal.GetLastWin32Error(), "CreateToolhelp32Snapshot failed.");
}
try
{
PROCESSENTRY processentry = new PROCESSENTRY();
processentry.dwSize = (uint)Marshal.SizeOf(processentry);
StringBuilder fullexepath = new StringBuilder(1024);
int retval = Process32First(snapshot_handle, ref processentry);
while (retval == 1)
{
IntPtr pid = new IntPtr((int)processentry.th32ProcessID);
// Writes the full path to the process into a StringBuilder object.
// Note: If first parameter is IntPtr.Zero it returns the path to the current process.
GetModuleFileName(pid, fullexepath, fullexepath.Capacity);
if (fullexepath.ToString().ToLower() == fullpath)
{
return(pid);
}
retval = Process32Next(snapshot_handle, ref processentry);
}
}
finally
{
CloseToolhelp32Snapshot(snapshot_handle);
}
return(IntPtr.Zero);
}
/// <summary>
/// Finds the Process Id of the specified .EXE file.
/// </summary>
/// <param name="fullpath">The full path to an .EXE file.</param>
/// <returns>The Process Id to the process found. Return IntPtr.Zero if the process is not running.</returns>
///<exception cref="Win32Exception">Thrown when taking a system snapshot fails.</exception>
public static IntPtr FindProcessPID(string fullpath)
{
fullpath = fullpath.ToLower();
IntPtr snapshot_handle = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS | TH32CS_SNAPNOHEAPS, 0);
if ((Int32)snapshot_handle == INVALID_HANDLE_VALUE)
throw new Win32Exception(Marshal.GetLastWin32Error(), "CreateToolhelp32Snapshot failed.");
try
{
PROCESSENTRY processentry = new PROCESSENTRY();
processentry.dwSize = (uint)Marshal.SizeOf(processentry);
StringBuilder fullexepath = new StringBuilder(1024);
int retval = Process32First(snapshot_handle, ref processentry);
while (retval == 1)
{
IntPtr pid = new IntPtr((int)processentry.th32ProcessID);
// Writes the full path to the process into a StringBuilder object.
// Note: If first parameter is IntPtr.Zero it returns the path to the current process.
GetModuleFileName(pid, fullexepath, fullexepath.Capacity);
if (fullexepath.ToString().ToLower() == fullpath)
return pid;
retval = Process32Next(snapshot_handle, ref processentry);
}
}
finally
{
CloseToolhelp32Snapshot(snapshot_handle);
}
return IntPtr.Zero;
}
private static extern int Process32Next(IntPtr snapshot, ref PROCESSENTRY processEntry);
/// <summary>
/// Returns an array with information about running processes.
/// </summary>
///<exception cref="Win32Exception">Thrown when enumerating the processes fails.</exception>
public static ProcessInfo[] GetProcesses()
{
List<ProcessInfo> procList = new List<ProcessInfo>();
IntPtr handle = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS | TH32CS_SNAPNOHEAPS, 0);
if ((Int32)handle == INVALID_HANDLE_VALUE)
throw new Win32Exception(Marshal.GetLastWin32Error(), "CreateToolhelp32Snapshot error.");
try
{
PROCESSENTRY processentry = new PROCESSENTRY();
processentry.dwSize = (uint)Marshal.SizeOf(processentry);
//Get the first process
int retval = Process32First(handle, ref processentry);
while (retval == 1)
{
procList.Add(new ProcessInfo(new IntPtr((int)processentry.th32ProcessID), (int)processentry.cntThreads, (int)processentry.th32MemoryBase, (int)processentry.th32ParentProcessID));
retval = Process32Next(handle, ref processentry);
}
}
finally
{
CloseToolhelp32Snapshot(handle);
}
return procList.ToArray();
}
private static extern int Process32Next(IntPtr snapshot, ref PROCESSENTRY processEntry);
