65 lines
2.1 KiB
C#
65 lines
2.1 KiB
C#
using System;
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using System.Diagnostics;
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using System.Runtime.InteropServices;
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namespace RoboSharp
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{
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#pragma warning disable CS1591 // Missing XML comment for publicly visible type or member
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/// <summary>
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/// Native Methods for Pause/Suspend/Resume processes
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/// </summary>
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public static class NativeMethods
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{
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[Flags]
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public enum ThreadAccess : int
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{
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TERMINATE = (0x0001),
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SUSPEND_RESUME = (0x0002),
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GET_CONTEXT = (0x0008),
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SET_CONTEXT = (0x0010),
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SET_INFORMATION = (0x0020),
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QUERY_INFORMATION = (0x0040),
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SET_THREAD_TOKEN = (0x0080),
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IMPERSONATE = (0x0100),
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DIRECT_IMPERSONATION = (0x0200)
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}
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[DllImport("kernel32.dll")]
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static extern IntPtr OpenThread(ThreadAccess dwDesiredAccess, bool bInheritHandle, uint dwThreadId);
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[DllImport("kernel32.dll")]
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static extern uint SuspendThread(IntPtr hThread);
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[DllImport("kernel32.dll")]
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static extern int ResumeThread(IntPtr hThread);
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public static bool Suspend(this Process process)
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{
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if (process.HasExited) return false;
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foreach (ProcessThread thread in process.Threads)
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{
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var pOpenThread = OpenThread(ThreadAccess.SUSPEND_RESUME, false, (uint)thread.Id);
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if (pOpenThread == IntPtr.Zero)
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{
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break;
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}
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SuspendThread(pOpenThread);
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}
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return true;
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}
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public static bool Resume(this Process process)
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{
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if (process.HasExited) return false;
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foreach (ProcessThread thread in process.Threads)
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{
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var pOpenThread = OpenThread(ThreadAccess.SUSPEND_RESUME, false, (uint)thread.Id);
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if (pOpenThread == IntPtr.Zero)
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{
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break;
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}
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ResumeThread(pOpenThread);
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}
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return true;
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}
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}
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#pragma warning restore CS1591 // Missing XML comment for publicly visible type or member
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}
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