private void InitMetaData()
{
this._document.DocumentMetadata.ImageCount = 0;
this._document.DocumentMetadata.ObjectCount = 0;
this._document.DocumentMetadata.ParagraphCount = 0;
this._document.DocumentMetadata.TableCount = 0;
this._document.DocumentMetadata.WordCount = 0;
this._document.DocumentMetadata.CharacterCount = 0;
this._document.DocumentMetadata.LastModified = DateTime.Now.ToString("s");
}