using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;

namespace SpeechLib {
	[ComImport]
	[TypeLibType(4160)]
	[Guid("6450336F-7D49-4CED-8097-49D6DEE37294")]
	public interface ISpeechBaseStream {
		[DispId(1)]
		SpAudioFormat Format {
			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
			[DispId(1)]
			[return: MarshalAs(UnmanagedType.Interface)]
			get;
			[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
			[DispId(1)]
			[param: In]
			[param: MarshalAs(UnmanagedType.Interface)]
			set;
		}

		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
		[DispId(2)]
		int Read([MarshalAs(UnmanagedType.Struct)] out object Buffer, [In] int NumberOfBytes);

		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
		[DispId(3)]
		int Write([In][MarshalAs(UnmanagedType.Struct)] object Buffer);

		[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
		[DispId(4)]
		[return: MarshalAs(UnmanagedType.Struct)]
		object Seek([In][MarshalAs(UnmanagedType.Struct)] object Position, [In] SpeechStreamSeekPositionType Origin = SpeechStreamSeekPositionType.SSSPTRelativeToStart);
	}
}