//親ディレクトリを取得 =0 current -1 previous +1 next
public string GetParent(string path, int step)
{
String dir = path;
if (Parent != null)
{
Parent.dirPos += step;
if (Parent.dirPos < 0)
{
Parent.dirPos = Parent.dirInfos.Length - 1;
}
if (Parent.dirPos > Parent.dirInfos.Length - 1)
{
Parent.dirPos = 0;
}
}
else
{
Parent = new VirtualFileList(loadOption);
Parent.SearchDirectry(infos[currentPos].Parent);
Parent.SearchCurrentDirectryPos(infos[currentPos].DirectoryFullName);
DirectoryInfo directoryInfo = new DirectoryInfo(dir);
if (directoryInfo.FullName == null)
{
return(null);
}
Parent.dirPos += step;
if (Parent.dirPos < 0)
{
Parent.dirPos = Parent.dirInfos.Length - 1;
}
if (Parent.dirPos > Parent.dirInfos.Length - 1)
{
Parent.dirPos = 0;
}
}
return(Parent.GetDirectory());
}
internal void SetCurrentPath(string path)
{
list.SearchDirectry(path);
imagePath = path;
}