private External.CURLSH_UNLOCK_DELEGATE m_pDelUnlock; // unlock delegate
/// <summary>
/// Constructor
/// </summary>
/// <exception cref="System.InvalidOperationException">This is thrown
/// if <see cref="Curl"/> hasn't bee properly initialized.</exception>
/// <exception cref="System.NullReferenceException">This is thrown if
/// the native <c>share</c> handle wasn't created successfully.</exception>
public Share()
{
Curl.EnsureCurl();
m_pShare = External.curl_share_init();
EnsureHandle();
m_pfLock = null;
m_pfUnlock = null;
m_userData = null;
InstallDelegates();
}