Try to fix bugs.

PriFileFormat/PriFile.cs

@@ -6,14 +6,12 @@ using System;
 
 namespace PriFileFormat
 {
-	public class PriFile: IDisposable
+	public class PriFile
 	{
 		public string Version { get; private set; }
 		public uint TotalFileSize { get; private set; }
 		public IReadOnlyList <TocEntry> TableOfContents { get; private set; }
 		public IReadOnlyList <Section> Sections { get; private set; }
-		private bool _disposed = false;
-		private Stream _internalStream; // 跟踪内部流
 		private PriFile ()
 		{
 		}
@@ -37,7 +35,6 @@ namespace PriFileFormat
 
 		private void ParseInternal (Stream stream, bool ownStream)
 		{
-			if (ownStream) { _internalStream = stream; }
 			using (BinaryReader binaryReader = new BinaryReader (stream, Encoding.ASCII, true))
 			{
 				long fileStartOffset = binaryReader.BaseStream.Position;
@@ -112,48 +109,6 @@ namespace PriFileFormat
 			}
 		}
 
-		public void Dispose ()
-		{
-			Dispose (true);
-			GC.SuppressFinalize (this);
-		}
-		protected virtual void Dispose (bool disposing)
-		{
-			if (_disposed) return;
-			if (disposing)
-			{
-				// 释放托管资源
-				if (_internalStream != null)
-				{
-					_internalStream.Dispose ();
-					_internalStream = null;
-				}
-
-				// 释放 section 内容
-				if (Sections != null)
-				{
-					foreach (var section in Sections)
-					{
-						var unknown = section as UnknownSection;
-						if (unknown != null)
-							unknown.ClearContent ();
-
-						var dataSection = section as DataItemSection;
-						if (dataSection != null)
-							dataSection.ClearData ();
-					}
-					Sections = null;
-				}
-			}
-
-			_disposed = true;
-		}
-
-		~PriFile ()
-		{
-			Dispose (false);
-		}
-
 		PriDescriptorSection priDescriptorSection;
 
 		public PriDescriptorSection PriDescriptorSection