//class MySettings : IS2PSettings { ... }
//class MyLogger : IS2PLogger { ... }

using (Spp2Pgs tS2P = new Spp2Pgs(new MySettings(), new MyLogger()))	//Create Spp2Pgs obj
using (var tCtx = tS2P.CreateSubPicProviderContext())	//Create SppContext Obj, necessary for creating Spp
using (var tOutputStream = new FileStream(@"X:\Sayas1011con.sup", FileMode.Create))	//Create output file
using (var tOutput = tS2P.CreatePgsEncoder(tOutputStream, BdViFormat.Vi1080i, BdViFrameRate.Vi23)) //Create PgsEncoder
{
    tOutput.RegistAnchor(0);    //Ensure an epoch at pts==0

	//Create Spp, necessary for processing subtitle files
	using (var tSpp = tS2P.CreateSubPicProvider(tCtx, new FileInfo(@"X:\Illya.ass")))
	{
		//Create Advisor, providing additional info for FrameStream.
		var tAdv =
			tS2P.CreateSppFrameStreamAdvisor(tSpp, BdViFormat.Vi1080p, BdViFrameRate.Vi23,	//Rendering format and rate
			-1, -1, 0);	//Rendering subtitle from begin to end, without an offset.
		//Create FrameStream
		using (var tInput = tS2P.CreateFrameStream(tSpp, tAdv))
		{
			//Encode from a FrameStream to a PgsEncoder
			tS2P.Encode(tInput, tOutput, null);
			//Done.
		}
	}
}