static string GetResourceNetworkName(SafeHResource hResource)
{
// On Vista and above, this API can be called with null and 0 to discover the true length
// of the return buffer. However, on Win2003 that causes the API to fail with
// ERROR_DEPENDENCY_NOT_FOUND. To play it safe, we simply pre-allocate a buffer up front
// that should be enough to catch the two possible cases:
// - 15-character NetBios names
// - 63-character DNS labels
uint cch = 64;
StringBuilder sb = new StringBuilder((int)cch);
#pragma warning suppress 56523
if (SafeNativeMethods.GetClusterResourceNetworkName(hResource, sb, ref cch))
{
return sb.ToString();
}
return null;
}
