SharpDX.WIC.WICStream.Dispose C# (CSharp) Method

        protected override void Dispose(bool disposing)
        {
            base.Dispose(disposing);

            if (streamProxy != null)
            {
                streamProxy.Dispose();
                streamProxy = null;
            }
        }
    }

        public void Save(Stream systemStream, Direct2DImageFormat format)
        {
          renderTarget.EndDraw();

          var stream = new WICStream(factoryManager.WicFactory, systemStream);
          var encoder = new BitmapEncoder(factoryManager.WicFactory, Direct2DConverter.ConvertImageFormat(format));
          encoder.Initialize(stream);

          var bitmapFrameEncode = new BitmapFrameEncode(encoder);
          bitmapFrameEncode.Initialize();
          bitmapFrameEncode.SetSize(imageWidth, imageHeight);

          Guid fdc = SharpDX.WIC.PixelFormat.FormatDontCare;
          //fdc = Direct2DConverter.ConvertImageFormat(Direct2DImageFormat.Gif);
          bitmapFrameEncode.SetPixelFormat(ref fdc);
          bitmapFrameEncode.WriteSource(wicBitmap);

          bitmapFrameEncode.Commit();
          try
          {
              encoder.Commit();
          }catch(Exception ex){

              var f = ex.Message;
          }
          bitmapFrameEncode.Dispose();
          encoder.Dispose();
          stream.Dispose();      



        }