通过进程句柄关闭某个程序的进程

下面是具体代码
总共分为两个过程
EnumProcTree 主要用来枚举句柄树
KillProc 关闭某个程序的进程


procedure EnumProcTree(const PID: DWORD;
  out PID_Tree: TPIDTree);

  procedure ListTree(RootPID: DWORD);
  var
    hP_Root: THandle;
    Found: Boolean;
    Pn: TProcesseNtry32;
    hSnap: THandle;
  begin
    hP_Root := OpenProcess(PROCESS_ALL_ACCESS, False, RootPID);
    if hP_Root <> 0 then
    begin
      CloseHandle(hP_Root);

      SetLength(PID_Tree, Length(PID_Tree) + 1);
      PID_Tree[Length(PID_Tree) - 1] := RootPID;

      hSnap := CreateToolHelp32SnapShot(TH32CS_SNAPPROCESS, 0);
      Pn.dwSize := SizeOf(TProcesseNtry32);
      Found := Process32First(hSnap, Pn);
      while Found do
      begin
        if RootPID = Pn.th32ParentProcessID then
        begin
          ListTree(Pn.th32ProcessID);
        end;
        Found := Process32Next(hSnap, Pn);
      end;
      CloseHandle(hSnap);
    end;
  end;
begin
  SetLength(PID_Tree, 0);
  ListTree(PID);
end;

KillProc过程的参数：
PID需要结束的句柄ID
Killchild是否结束子进程

如果KillChild是True，那么首先枚举所有的子句柄，然后一次性都关闭
procedure KillProc(PID: DWORD; Killchild: Boolean = True; const ExitCode: Cardinal = 0);
var
  i: integer;
  hProc: THandle;
  PID_Tree: TPIDTree;
begin
  if Killchild then
  begin
    EnumProcTree(PID, PID_Tree);

    for i := High(PID_Tree) downto Low(PID_Tree) do
    begin
      if (PID_Tree[i] <> 0) then
      begin
        hProc := OpenProcess(PROCESS_ALL_ACCESS, False, PID_Tree[i]);
        if hProc <> 0 then
        begin
          TerminateProcess(hProc, ExitCode);
          CloseHandle(hProc);
        end;
      end;
    end;
  end
  else
  begin
    hProc := OpenProcess(PROCESS_ALL_ACCESS, False, PID);
    if hProc <> 0 then
    begin
      TerminateProcess(hProc, ExitCode);
      CloseHandle(hProc);
    end;
  end;
end;

使用代码
KillProc(lpProcessInformation.dwProcessId, True, Result);

lpProcessInformation.dwProcessId 进程的句柄ID
True结束子进程
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