Updated Wiki: Buffered Memory Mode Transfer

this._twain32.Capabilities.XferMech.Set(TwSX.Memory);

privatevoid _twain32_SetupMemXferEvent(object sender,Twain32.SetupMemXferEventArgs e) {
    try {
        this._stream=File.Create(string.Format("MemXferTransfer_{0}.ppm",DateTime.Now.ToString("yyyyMMddHHmmss")),(int)e.BufferSize);
        var _writer=new BinaryWriter(this._stream);
        switch(e.ImageInfo.SamplesPerPixel) {
            case 1:
                if(e.ImageInfo.PixelType==TwPixelType.Palette) {
                    _writer.Write(Encoding.ASCII.GetBytes("P6\n"));
                    this._palette=this._twain32.Palette.Get();
                } else {
                    _writer.Write(Encoding.ASCII.GetBytes("P5\n"));
                }
                break;
            case 3:
                _writer.Write(Encoding.ASCII.GetBytes("P6\n"));
                break;
            default:
                _writer.Write(Encoding.ASCII.GetBytes("PX\n"));
                break;
        }
        _writer.Write(Encoding.ASCII.GetBytes(string.Format("# (C) SARAFF SOFTWARE 2013.\n{0} {1}\n{2}\n",e.ImageInfo.ImageWidth,e.ImageInfo.ImageLength,byte.MaxValue)));
    } catch(Exception ex) {
        MessageBox.Show(ex.Message,ex.GetType().Name,MessageBoxButtons.OK,MessageBoxIcon.Error);
    }
}

privatevoid _twain32_MemXferEvent(object sender,Twain32.MemXferEventArgs e) {
    try {
        int _bytesPerPixel=e.ImageInfo.BitsPerPixel>>3;
        for(int i=0,_rowOffset=0; i<e.ImageMemXfer.Rows; i++,_rowOffset+=(int)e.ImageMemXfer.BytesPerRow) {
            for(int ii=0,_colOffset=0; ii<e.ImageMemXfer.Columns; ii++,_colOffset+=_bytesPerPixel) {
                switch(e.ImageInfo.BitsPerPixel) {
                    case 1:
                        for(int _mask=1; (_mask&0xff)!=0&&ii<e.ImageMemXfer.Columns; _mask<<=1,ii++) {
                            this._stream.WriteByte((e.ImageMemXfer.ImageData[_rowOffset+_colOffset]&_mask)!=0?byte.MaxValue:byte.MinValue);
                        }
                        _colOffset++;
                        ii--;
                        break;
                    case 8:
                    case 24:
                        if(e.ImageInfo.PixelType==TwPixelType.Palette) {
                            Color _color=this._palette.Colors[e.ImageMemXfer.ImageData[_rowOffset+_colOffset]];
                            this._stream.Write(newbyte[] { _color.R,_color.G,_color.B },0,3);
                        } else {
                            this._stream.Write(e.ImageMemXfer.ImageData,_rowOffset+_colOffset,_bytesPerPixel);
                        }
                        break;
                }
            }
        }
    } catch(Exception ex) {
        MessageBox.Show(ex.Message,ex.GetType().Name,MessageBoxButtons.OK,MessageBoxIcon.Error);
    }
}