在C#中,我们使用以下代码来终止进程树。有时它能够工作,有时可能无法工作,可能与Windows 7和/或64位有关。
它查找给定进程的子进程的方式是通过调用
在线文档说不应该使用
有什么可靠的方法可以在C#中终止进程树?
它查找给定进程的子进程的方式是通过调用
GetProcesses
获取系统中的所有进程,然后调用NtQueryInformationProcess
查找每个父进程为给定进程的进程。它以递归方式执行此操作,以遍历整个树。在线文档说不应该使用
NtQueryInformationProcess
。相反,有一种称为EnumProcesses
的东西,但我找不到任何C#示例,只有其他语言。有什么可靠的方法可以在C#中终止进程树?
public static void TerminateProcessTree(Process process)
{
IntPtr processHandle = process.Handle;
uint processId = (uint)process.Id;
// Retrieve all processes on the system
Process[] processes = Process.GetProcesses();
foreach (Process proc in processes)
{
// Get some basic information about the process
PROCESS_BASIC_INFORMATION procInfo = new PROCESS_BASIC_INFORMATION();
try
{
uint bytesWritten;
Win32Api.NtQueryInformationProcess(proc.Handle, 0, ref procInfo,
(uint)Marshal.SizeOf(procInfo), out bytesWritten); // == 0 is OK
// Is it a child process of the process we're trying to terminate?
if (procInfo.InheritedFromUniqueProcessId == processId)
{
// Terminate the child process (and its child processes)
// by calling this method recursively
TerminateProcessTree(proc);
}
}
catch (Exception /* ex */)
{
// Ignore, most likely 'Access Denied'
}
}
// Finally, terminate the process itself:
if (!process.HasExited)
{
try
{
process.Kill();
}
catch { }
}
}
using
语句。 - Mike Dunlavey