private void openToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var ofd = new OpenFileDialog();

            if (ofd.ShowDialog() == DialogResult.OK)
            {
                try
                {
                    _iatAsset = IntegratedAuthoringToolAsset.LoadFromFile(ofd.FileName);
                    if (_iatAsset.ErrorOnLoad != null)
                    {
                        MessageBox.Show(_iatAsset.ErrorOnLoad, Resources.ErrorDialogTitle, MessageBoxButtons.OK,
                                        MessageBoxIcon.Error);
                    }
                    foreach (var character in _iatAsset.GetAllCharacters())
                    {
                        if (character.ErrorOnLoad != null)
                        {
                            MessageBox.Show("Error when loading character '" + character.CharacterName + "': " + character.ErrorOnLoad, Resources.ErrorDialogTitle, MessageBoxButtons.OK, MessageBoxIcon.Error);
                        }
                    }

                    _saveFileName = ofd.FileName;
                    Reset(false);
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message + "-" + ex.StackTrace, Resources.ErrorDialogTitle, MessageBoxButtons.OK,
                                    MessageBoxIcon.Error);
                }
            }
        }