/// <summary>
/// 删除指定的最近文件.
/// </summary>
/// <param name="recentFile">最近要删除的文件.</param>
/// <exception cref="ArgumentNullException">最近文件参数不能为空.</exception>
/// <exception cref="ArgumentException">参数recentFile在最近文件列表中没有找到.</exception>
public void Remove(RecentFile recentFile)
{
if (recentFile == null)
{
throw new ArgumentNullException("recentFile");
}
if (_recentFiles.Remove(recentFile))
{
recentFile.PropertyChanged -= RecentFilePropertyChanged;
}
else
{
throw new ArgumentException("The passed recentFile was not found in the recent files list.");
}
}
void IXmlSerializable.ReadXml(XmlReader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
reader.ReadToDescendant("RecentFile");
while (reader.MoveToContent() == XmlNodeType.Element && reader.LocalName == "RecentFile")
{
var recentFile = new RecentFile();
((IXmlSerializable)recentFile).ReadXml(reader);
Add(recentFile);
}
if (!reader.IsEmptyElement)
{
reader.ReadEndElement();
}
}
private void Add(RecentFile recentFile)
{
recentFile.PropertyChanged += RecentFilePropertyChanged;
_recentFiles.Add(recentFile);
}
private void Insert(int index, RecentFile recentFile)
{
recentFile.PropertyChanged += RecentFilePropertyChanged;
_recentFiles.Insert(index, recentFile);
}