private string DetermineNewPath(KnownFolder knownFolder, string destinationPath)
{
var existingPath = knownFolder.Path;
if (string.IsNullOrEmpty(existingPath))
{
throw new InvalidOperationException(string.Format("Unable to determine new path of folder '{0}': existing path is empty.", knownFolder.Name));
}
var existingDirectoryName = Path.GetFileName(existingPath);
if (string.IsNullOrEmpty(existingDirectoryName))
{
throw new InvalidOperationException(string.Format("Unable to determine new path of folder '{0}': cannot determine existing directory name.", knownFolder.Name));
}
return Path.Combine(destinationPath, existingDirectoryName);
}
private void RedirectOneFolder(KnownFolder folder, string newPath)
{
if (!folder.CanRedirect)
{
throw new InvalidOperationException(string.Format("Folder '{0}' cannot be redirected.", folder.Name));
}
string currentPath = folder.Path;
if (!this.ShouldProcess(folder.Name, string.Format("Redirect from {0} to {1}", currentPath, newPath)))
{
return;
}
if (!this.Force && !this.ShouldContinue("Do it?", "Folder redirection", ref this.yesToAll, ref this.noToAll))
{
return;
}
var id = new KNOWNFOLDERID(folder.FolderId);
var flags = KF_REDIRECT_FLAGS.KF_REDIRECT_NONE;
if (this.CheckOnly)
{
flags |= KF_REDIRECT_FLAGS.KF_REDIRECT_CHECK_ONLY;
}
if (!this.DontMoveExistingData)
{
flags |= KF_REDIRECT_FLAGS.KF_REDIRECT_COPY_CONTENTS | KF_REDIRECT_FLAGS.KF_REDIRECT_DEL_SOURCE_CONTENTS;
}
string error;
HResult hr = this.knownFolderManager.Redirect(ref id, IntPtr.Zero, flags, newPath, 0, null, out error);
if (hr != HResult.S_OK)
{
if (string.IsNullOrEmpty(error))
{
Marshal.ThrowExceptionForHR(unchecked((int)hr));
this.WriteWarning(string.Format("Redirection returned success code other than S_OK ({0})", hr));
}
else
{
throw new TargetInvocationException(
error,
Marshal.GetExceptionForHR(unchecked((int)hr)));
}
}
if (this.PassThru)
{
this.WriteObject(folder);
}
}