cloud_print/virtual_driver/win/virtual_driver_helpers.cc


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "cloud_print/virtual_driver/win/virtual_driver_helpers.h"
#include <windows.h>
#include "cloud_print/virtual_driver/win/virtual_driver_consts.h"

namespace cloud_print {

const size_t kMaxMessageLen = 100;

void DisplayWindowsMessage(HWND hwnd, HRESULT message_id) {
  wchar_t message_text[kMaxMessageLen + 1] = L"";

  ::FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS,
                  NULL,
                  message_id,
                  MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
                  message_text,
                  kMaxMessageLen,
                  NULL);
  ::MessageBox(hwnd, message_text, L"GCP", MB_OK);
}

HRESULT GetLastHResult() {
  DWORD error_code = GetLastError();
  return HRESULT_FROM_WIN32(error_code);
}
}