private static bool DeleteDirectoryTree(ref Win32.WIN32_FIND_DATA fd, string dir, StringBuilder sb)
{
IntPtr hFind = NativeMethods.FindFirstFile(Path.Combine(dir, "*"), out fd);
if (hFind == NativeMethods.INVALID_HANDLE_VALUE)
{
return(false);
}
do
{
if (fd.cFileName == "." || fd.cFileName == "..")
{
continue; //pseudo-directory
}
string path = Path.Combine(dir, fd.cFileName);
if ((fd.dwFileAttributes & FileAttributes.ReadOnly) != 0)
{
NativeMethods.SetFileAttributes(path, fd.dwFileAttributes & ~FileAttributes.ReadOnly);
}
if ((fd.dwFileAttributes & FileAttributes.Directory) != 0)
{
DeleteDirectoryTree(ref fd, path, sb);
NativeMethods.RemoveDirectory(path);
continue;
}
if (!NativeMethods.DeleteFile(path) && sb != null)
{
sb.AppendFormat("{0} : {1}\r\n", path, Win32Exception.GetLastErrorMessage());
}
} while (NativeMethods.FindNextFile(hFind, out fd));
NativeMethods.FindClose(hFind);
return(NativeMethods.RemoveDirectory(dir));
}