internal static extern IntPtr CASUCreateManager( IntPtr client, // C# manager client ptr CASUInitializationCompleteCallback onInit, string managerID, int enableAd, bool demoAd );
internal static extern IntPtr CASUCreateManagerWithExtras( IntPtr client, // C# manager client ptr CASUInitializationCompleteCallback onInit, string managerID, int enableAd, bool demoAd, string[] extraKeys, string[] extraValues, int extrasCount );