public void ChangeCurrentDirectoryAbsolute(string absolutePath)
{
if (!Directory.Exists(absolutePath))
{
throw new InvalidPathException();
}
SessionData.ChangeCurrentDirectoryPath(absolutePath);
}
public void ChangeCurrentDirectoryRelative(string relativePath)
{
if (relativePath == "..")
{
try
{
string currentPath = SessionData.GetCurrentDirectoryPath();
int indexOfLastSlash = currentPath.LastIndexOf("\\");
string newPath = currentPath.Substring(0, indexOfLastSlash);
SessionData.ChangeCurrentDirectoryPath(newPath);
}
catch (ArgumentOutOfRangeException)
{
throw new ArgumentOutOfRangeException("indexOfLastSlash", ExceptionMessages.UnableToGoHigherInPartitionHierarchy);
}
}
else
{
string currentPath = SessionData.GetCurrentDirectoryPath();
currentPath += "\\" + relativePath;
ChangeCurrentDirectoryAbsolute(currentPath);
}
}