public static NativeProcess TryOpen(ProcessAccessMask accessMask, int pid, bool inheritHandle = false)
{
var handle = OpenProcess(accessMask, inheritHandle, pid);
if (handle == null || handle.IsInvalid)
{
return(null);
}
return(new NativeProcess(handle));
}
private NativeProcess(int pid, ProcessAccessMask accessMask = ProcessAccessMask.QueryLimitedInformation, bool inheritHandle = false)
{
_id = pid;
if (pid > 0)
{
SafeWaitHandle = OpenProcess(accessMask, inheritHandle, pid);
if (SafeWaitHandle.IsInvalid)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
}
public unsafe SafeWaitHandle OpenProcessHandle(ProcessAccessMask accessMask, int pid)
{
var data = new OpenProcessData {
ProcessId = pid,
AccessMask = accessMask
};
if (!DeviceIoControl(_hDevice, KExploreOpenProcessHandle, &data, Marshal.SizeOf <OpenProcessData>(), out IntPtr handle, IntPtr.Size, out var returned))
{
return(null);
}
return(new SafeWaitHandle(handle, true));
}
public static NativeProcess Open(ProcessAccessMask accessMask, int pid, bool inheritHandle = false)
{
return(new NativeProcess(pid, accessMask, inheritHandle));
}
public static extern SafeWaitHandle OpenProcess(ProcessAccessMask desiredAccess, bool inheritHandle, int processId);
public static extern IntPtr OpenProcess(ProcessAccessMask access, bool inheritHandle, int pid);
public static extern SafeWaitHandle OpenProcess(ProcessAccessMask accessMask, bool inheritHandle, int pid);
