OleViewDotNet.MainForm.menuObjectFromMarshalledStream_Click C# (CSharp) Method

        private void menuObjectFromMarshalledStream_Click(object sender, EventArgs e)
        {
            using (OpenFileDialog dlg = new OpenFileDialog())
            {
                dlg.Filter = "All Files (*.*)|*.*";

                if (dlg.ShowDialog(this) == DialogResult.OK)
                {
                    try
                    {
                        byte[] data = File.ReadAllBytes(dlg.FileName);

                        IStreamImpl stm = new IStreamImpl(new MemoryStream(data));
                        Guid iid = COMInterfaceEntry.IID_IUnknown;
                        IntPtr pv;

                        int hr = COMUtilities.CoUnmarshalInterface(stm, ref iid, out pv);
                        if (hr == 0)
                        {
                            object comObj = Marshal.GetObjectForIUnknown(pv);
                            Marshal.Release(pv);

                            OpenObjectInformation(comObj, "Marshalled Object");
                        }
                        else
                        {
                            Marshal.ThrowExceptionForHR(hr);
                        }
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show(ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }
                }
            }
        }