按日期重命名宾得相机的照片

translation.cs

using System;
using System.Collections;

namespace Goheer
{
    namespace EXIF
    {
        /// <summary>
        /// Summary description for translation.
        /// </summary>
        public class translation : Hashtable
        {
            /// <summary>
            /// 
            /// </summary>
            public translation()
            {
                this.Add(0x8769,"Exif IFD");
                this.Add(0x8825,"Gps IFD");
                this.Add(0xFE,"New Subfile Type");
                this.Add(0xFF,"Subfile Type");
                this.Add(0x100,"Image Width");
                this.Add(0x101,"Image Height");
                this.Add(0x102,"Bits Per Sample");
                this.Add(0x103,"Compression");
                this.Add(0x106,"Photometric Interp");
                this.Add(0x107,"Thresh Holding");
                this.Add(0x108,"Cell Width");
                this.Add(0x109,"Cell Height");
                this.Add(0x10A,"Fill Order");
                this.Add(0x10D,"Document Name");
                this.Add(0x10E,"Image Description");
                this.Add(0x10F,"Equip Make");
                this.Add(0x110,"Equip Model");
                this.Add(0x111,"Strip Offsets");
                this.Add(0x112,"Orientation");
                this.Add(0x115,"Samples PerPixel");
                this.Add(0x116,"Rows Per Strip");
                this.Add(0x117,"Strip Bytes Count");
                this.Add(0x118,"Min Sample Value");
                this.Add(0x119,"Max Sample Value");
                this.Add(0x11A,"X Resolution");
                this.Add(0x11B,"Y Resolution");
                this.Add(0x11C,"Planar Config");
                this.Add(0x11D,"Page Name");
                this.Add(0x11E,"X Position");
                this.Add(0x11F,"Y Position");
                this.Add(0x120,"Free Offset");
                this.Add(0x121,"Free Byte Counts");
                this.Add(0x122,"Gray Response Unit");
                this.Add(0x123,"Gray Response Curve");
                this.Add(0x124,"T4 Option");
                this.Add(0x125,"T6 Option");
                this.Add(0x128,"Resolution Unit");
                this.Add(0x129,"Page Number");
                this.Add(0x12D,"Transfer Funcition");
                this.Add(0x131,"Software Used");
                this.Add(0x132,"Date Time");
                this.Add(0x13B,"Artist");
                this.Add(0x13C,"Host Computer");
                this.Add(0x13D,"Predictor");
                this.Add(0x13E,"White Point");
                this.Add(0x13F,"Primary Chromaticities");
                this.Add(0x140,"ColorMap");
                this.Add(0x141,"Halftone Hints");
                this.Add(0x142,"Tile Width");
                this.Add(0x143,"Tile Length");
                this.Add(0x144,"Tile Offset");
                this.Add(0x145,"Tile ByteCounts");
                this.Add(0x14C,"InkSet");
                this.Add(0x14D,"Ink Names");
                this.Add(0x14E,"Number Of Inks");
                this.Add(0x150,"Dot Range");
                this.Add(0x151,"Target Printer");
                this.Add(0x152,"Extra Samples");
                this.Add(0x153,"Sample Format");
                this.Add(0x154,"S Min Sample Value");
                this.Add(0x155,"S Max Sample Value");
                this.Add(0x156,"Transfer Range");
                this.Add(0x200,"JPEG Proc");
                this.Add(0x201,"JPEG InterFormat");
                this.Add(0x202,"JPEG InterLength");
                this.Add(0x203,"JPEG RestartInterval");
                this.Add(0x205,"JPEG LosslessPredictors");
                this.Add(0x206,"JPEG PointTransforms");
                this.Add(0x207,"JPEG QTables");
                this.Add(0x208,"JPEG DCTables");
                this.Add(0x209,"JPEG ACTables");
                this.Add(0x211,"YCbCr Coefficients");
                this.Add(0x212,"YCbCr Subsampling");
                this.Add(0x213,"YCbCr Positioning");
                this.Add(0x214,"REF Black White");
                this.Add(0x8773,"ICC Profile");
                this.Add(0x301,"Gamma");
                this.Add(0x302,"ICC Profile Descriptor");
                this.Add(0x303,"SRGB RenderingIntent");
                this.Add(0x320,"Image Title");
                this.Add(0x8298,"Copyright");
                this.Add(0x5001,"Resolution X Unit");
                this.Add(0x5002,"Resolution Y Unit");
                this.Add(0x5003,"Resolution X LengthUnit");
                this.Add(0x5004,"Resolution Y LengthUnit");
                this.Add(0x5005,"Print Flags");
                this.Add(0x5006,"Print Flags Version");
                this.Add(0x5007,"Print Flags Crop");
                this.Add(0x5008,"Print Flags Bleed Width");
                this.Add(0x5009,"Print Flags Bleed Width Scale");
                this.Add(0x500A,"Halftone LPI");
                this.Add(0x500B,"Halftone LPIUnit");
                this.Add(0x500C,"Halftone Degree");
                this.Add(0x500D,"Halftone Shape");
                this.Add(0x500E,"Halftone Misc");
                this.Add(0x500F,"Halftone Screen");
                this.Add(0x5010,"JPEG Quality");
                this.Add(0x5011,"Grid Size");
                this.Add(0x5012,"Thumbnail Format");
                this.Add(0x5013,"Thumbnail Width");
                this.Add(0x5014,"Thumbnail Height");
                this.Add(0x5015,"Thumbnail ColorDepth");
                this.Add(0x5016,"Thumbnail Planes");
                this.Add(0x5017,"Thumbnail RawBytes");
                this.Add(0x5018,"Thumbnail Size");
                this.Add(0x5019,"Thumbnail CompressedSize");
                this.Add(0x501A,"Color Transfer Function");
                this.Add(0x501B,"Thumbnail Data");
                this.Add(0x5020,"Thumbnail ImageWidth");
                this.Add(0x502,"Thumbnail ImageHeight");
                this.Add(0x5022,"Thumbnail BitsPerSample");
                this.Add(0x5023,"Thumbnail Compression");
                this.Add(0x5024,"Thumbnail PhotometricInterp");
                this.Add(0x5025,"Thumbnail ImageDescription");
                this.Add(0x5026,"Thumbnail EquipMake");
                this.Add(0x5027,"Thumbnail EquipModel");
                this.Add(0x5028,"Thumbnail StripOffsets");
                this.Add(0x5029,"Thumbnail Orientation");
                this.Add(0x502A,"Thumbnail SamplesPerPixel");
                this.Add(0x502B,"Thumbnail RowsPerStrip");
                this.Add(0x502C,"Thumbnail StripBytesCount");
                this.Add(0x502D,"Thumbnail ResolutionX");
                this.Add(0x502E,"Thumbnail ResolutionY");
                this.Add(0x502F,"Thumbnail PlanarConfig");
                this.Add(0x5030,"Thumbnail ResolutionUnit");
                this.Add(0x5031,"Thumbnail TransferFunction");
                this.Add(0x5032,"Thumbnail SoftwareUsed");
                this.Add(0x5033,"Thumbnail DateTime");
                this.Add(0x5034,"Thumbnail Artist");
                this.Add(0x5035,"Thumbnail WhitePoint");
                this.Add(0x5036,"Thumbnail PrimaryChromaticities");
                this.Add(0x5037,"Thumbnail YCbCrCoefficients");
                this.Add(0x5038,"Thumbnail YCbCrSubsampling");
                this.Add(0x5039,"Thumbnail YCbCrPositioning");
                this.Add(0x503A,"Thumbnail RefBlackWhite");
                this.Add(0x503B,"Thumbnail CopyRight");
                this.Add(0x5090,"Luminance Table");
                this.Add(0x5091,"Chrominance Table");
                this.Add(0x5100,"Frame Delay");
                this.Add(0x5101,"Loop Count");
                this.Add(0x5110,"Pixel Unit");
                this.Add(0x5111,"Pixel PerUnit X");
                this.Add(0x5112,"Pixel PerUnit Y");
                this.Add(0x5113,"Palette Histogram");
                this.Add(0x829A,"Exposure Time");
                this.Add(0x829D,"F-Number");
                this.Add(0x8822,"Exposure Prog");
                this.Add(0x8824,"Spectral Sense");
                this.Add(0x8827,"ISO Speed");
                this.Add(0x8828,"OECF");
                this.Add(0x9000,"Ver");
                this.Add(0x9003,"DTOrig");
                this.Add(0x9004,"DTDigitized");
                this.Add(0x9101,"CompConfig");
                this.Add(0x9102,"CompBPP");
                this.Add(0x9201,"Shutter Speed");
                this.Add(0x9202,"Aperture");
                this.Add(0x9203,"Brightness");
                this.Add(0x9204,"Exposure Bias");
                this.Add(0x9205,"MaxAperture");
                this.Add(0x9206,"SubjectDist");
                this.Add(0x9207,"Metering Mode");
                this.Add(0x9208,"LightSource");
                this.Add(0x9209,"Flash");
                this.Add(0x920A,"FocalLength");
                this.Add(0x927C,"Maker Note");
                this.Add(0x9286,"User Comment");
                this.Add(0x9290,"DTSubsec");
                this.Add(0x9291,"DTOrigSS");
                this.Add(0x9292,"DTDigSS");
                this.Add(0xA000,"FPXVer");
                this.Add(0xA001,"ColorSpace");
                this.Add(0xA002,"PixXDim");
                this.Add(0xA003,"PixYDim");
                this.Add(0xA004,"RelatedWav");
                this.Add(0xA005,"Interop");
                this.Add(0xA20B,"FlashEnergy");
                this.Add(0xA20C,"SpatialFR");
                this.Add(0xA20E,"FocalXRes");
                this.Add(0xA20F,"FocalYRes");
                this.Add(0xA210,"FocalResUnit");
                this.Add(0xA214,"Subject Loc");
                this.Add(0xA215,"Exposure Index");
                this.Add(0xA217,"Sensing Method");
                this.Add(0xA300,"FileSource");
                this.Add(0xA301,"SceneType");
                this.Add(0xA302,"CfaPattern");
                this.Add(0x0,"Gps Ver");
                this.Add(0x1,"Gps LatitudeRef");
                this.Add(0x2,"Gps Latitude");
                this.Add(0x3,"Gps LongitudeRef");
                this.Add(0x4,"Gps Longitude");
                this.Add(0x5,"Gps AltitudeRef");
                this.Add(0x6,"Gps Altitude");
                this.Add(0x7,"Gps GpsTime");
                this.Add(0x8,"Gps GpsSatellites");
                this.Add(0x9,"Gps GpsStatus");
                this.Add(0xA,"Gps GpsMeasureMode");
                this.Add(0xB,"Gps GpsDop");
                this.Add(0xC,"Gps SpeedRef");
                this.Add(0xD,"Gps Speed");
                this.Add(0xE,"Gps TrackRef");
                this.Add(0xF,"Gps Track");
                this.Add(0x10,"Gps ImgDirRef");
                this.Add(0x11,"Gps ImgDir");
                this.Add(0x12,"Gps MapDatum");
                this.Add(0x13,"Gps DestLatRef");
                this.Add(0x14,"Gps DestLat");
                this.Add(0x15,"Gps DestLongRef");
                this.Add(0x16,"Gps DestLong");
                this.Add(0x17,"Gps DestBearRef");
                this.Add(0x18,"Gps DestBear");
                this.Add(0x19,"Gps DestDistRef");
                this.Add(0x1A,"Gps DestDist");
            }
        }
        /// <summary>
        /// private class
        /// </summary>
        internal class Rational
        {
            private int n;
            private int d;
            public Rational(int n, int d)
            {
                this.n = n;
                this.d = d;
                simplify(ref this.n, ref this.d);
            }
            public Rational(uint n, uint d)
            {
                this.n = Convert.ToInt32(n);
                this.d = Convert.ToInt32(d);

                simplify(ref this.n, ref this.d);
            }
            public Rational()
            {
                this.n= this.d=0;
            }
            public string ToString(string sp)
            {
                if( sp == null ) sp = "/";
                return n.ToString() + sp + d.ToString();
            }
            public double ToDouble()
            {
                if( d == 0 )
                    return 0.0;

                return Math.Round(Convert.ToDouble(n)/Convert.ToDouble(d),2);
            }
            private void simplify( ref int a, ref int b )
            {
                if( a== 0 || b == 0 )
                    return;

                int    gcd = euclid(a,b);
                a /= gcd;
                b /= gcd;
            }
            private int euclid(int a, int b)
            {
                if(b==0)    
                    return a;
                else        
                    return euclid(b,a%b);
            }
        }
    }
}

exif.cs

///
///            http://www.goheer.com
///            visist goheer.com for latest version of this control
///
///

using System;
using Goheer.EXIF;
using System.Text;
using System.Collections;
using System.Drawing.Imaging;
using System.Reflection;
using System.IO;
using System.Web.UI;


namespace Goheer
{
    namespace EXIF
    {

        /// <summary>
        /// EXIFextractor Class
        /// 
        /// </summary>
        public class EXIFextractor : IEnumerable
        {
            /// <summary>
            /// Get the individual property value by supplying property name
            /// These are the valid property names :
            /// 
            /// "Exif IFD"
            /// "Gps IFD"
            /// "New Subfile Type"
            /// "Subfile Type"
            /// "Image Width"
            /// "Image Height"
            /// "Bits Per Sample"
            /// "Compression"
            /// "Photometric Interp"
            /// "Thresh Holding"
            /// "Cell Width"
            /// "Cell Height"
            /// "Fill Order"
            /// "Document Name"
            /// "Image Description"
            /// "Equip Make"
            /// "Equip Model"
            /// "Strip Offsets"
            /// "Orientation"
            /// "Samples PerPixel"
            /// "Rows Per Strip"
            /// "Strip Bytes Count"
            /// "Min Sample Value"
            /// "Max Sample Value"
            /// "X Resolution"
            /// "Y Resolution"
            /// "Planar Config"
            /// "Page Name"
            /// "X Position"
            /// "Y Position"
            /// "Free Offset"
            /// "Free Byte Counts"
            /// "Gray Response Unit"
            /// "Gray Response Curve"
            /// "T4 Option"
            /// "T6 Option"
            /// "Resolution Unit"
            /// "Page Number"
            /// "Transfer Funcition"
            /// "Software Used"
            /// "Date Time"
            /// "Artist"
            /// "Host Computer"
            /// "Predictor"
            /// "White Point"
            /// "Primary Chromaticities"
            /// "ColorMap"
            /// "Halftone Hints"
            /// "Tile Width"
            /// "Tile Length"
            /// "Tile Offset"
            /// "Tile ByteCounts"
            /// "InkSet"
            /// "Ink Names"
            /// "Number Of Inks"
            /// "Dot Range"
            /// "Target Printer"
            /// "Extra Samples"
            /// "Sample Format"
            /// "S Min Sample Value"
            /// "S Max Sample Value"
            /// "Transfer Range"
            /// "JPEG Proc"
            /// "JPEG InterFormat"
            /// "JPEG InterLength"
            /// "JPEG RestartInterval"
            /// "JPEG LosslessPredictors"
            /// "JPEG PointTransforms"
            /// "JPEG QTables"
            /// "JPEG DCTables"
            /// "JPEG ACTables"
            /// "YCbCr Coefficients"
            /// "YCbCr Subsampling"
            /// "YCbCr Positioning"
            /// "REF Black White"
            /// "ICC Profile"
            /// "Gamma"
            /// "ICC Profile Descriptor"
            /// "SRGB RenderingIntent"
            /// "Image Title"
            /// "Copyright"
            /// "Resolution X Unit"
            /// "Resolution Y Unit"
            /// "Resolution X LengthUnit"
            /// "Resolution Y LengthUnit"
            /// "Print Flags"
            /// "Print Flags Version"
            /// "Print Flags Crop"
            /// "Print Flags Bleed Width"
            /// "Print Flags Bleed Width Scale"
            /// "Halftone LPI"
            /// "Halftone LPIUnit"
            /// "Halftone Degree"
            /// "Halftone Shape"
            /// "Halftone Misc"
            /// "Halftone Screen"
            /// "JPEG Quality"
            /// "Grid Size"
            /// "Thumbnail Format"
            /// "Thumbnail Width"
            /// "Thumbnail Height"
            /// "Thumbnail ColorDepth"
            /// "Thumbnail Planes"
            /// "Thumbnail RawBytes"
            /// "Thumbnail Size"
            /// "Thumbnail CompressedSize"
            /// "Color Transfer Function"
            /// "Thumbnail Data"
            /// "Thumbnail ImageWidth"
            /// "Thumbnail ImageHeight"
            /// "Thumbnail BitsPerSample"
            /// "Thumbnail Compression"
            /// "Thumbnail PhotometricInterp"
            /// "Thumbnail ImageDescription"
            /// "Thumbnail EquipMake"
            /// "Thumbnail EquipModel"
            /// "Thumbnail StripOffsets"
            /// "Thumbnail Orientation"
            /// "Thumbnail SamplesPerPixel"
            /// "Thumbnail RowsPerStrip"
            /// "Thumbnail StripBytesCount"
            /// "Thumbnail ResolutionX"
            /// "Thumbnail ResolutionY"
            /// "Thumbnail PlanarConfig"
            /// "Thumbnail ResolutionUnit"
            /// "Thumbnail TransferFunction"
            /// "Thumbnail SoftwareUsed"
            /// "Thumbnail DateTime"
            /// "Thumbnail Artist"
            /// "Thumbnail WhitePoint"
            /// "Thumbnail PrimaryChromaticities"
            /// "Thumbnail YCbCrCoefficients"
            /// "Thumbnail YCbCrSubsampling"
            /// "Thumbnail YCbCrPositioning"
            /// "Thumbnail RefBlackWhite"
            /// "Thumbnail CopyRight"
            /// "Luminance Table"
            /// "Chrominance Table"
            /// "Frame Delay"
            /// "Loop Count"
            /// "Pixel Unit"
            /// "Pixel PerUnit X"
            /// "Pixel PerUnit Y"
            /// "Palette Histogram"
            /// "Exposure Time"
            /// "F-Number"
            /// "Exposure Prog"
            /// "Spectral Sense"
            /// "ISO Speed"
            /// "OECF"
            /// "Ver"
            /// "DTOrig"
            /// "DTDigitized"
            /// "CompConfig"
            /// "CompBPP"
            /// "Shutter Speed"
            /// "Aperture"
            /// "Brightness"
            /// "Exposure Bias"
            /// "MaxAperture"
            /// "SubjectDist"
            /// "Metering Mode"
            /// "LightSource"
            /// "Flash"
            /// "FocalLength"
            /// "Maker Note"
            /// "User Comment"
            /// "DTSubsec"
            /// "DTOrigSS"
            /// "DTDigSS"
            /// "FPXVer"
            /// "ColorSpace"
            /// "PixXDim"
            /// "PixYDim"
            /// "RelatedWav"
            /// "Interop"
            /// "FlashEnergy"
            /// "SpatialFR"
            /// "FocalXRes"
            /// "FocalYRes"
            /// "FocalResUnit"
            /// "Subject Loc"
            /// "Exposure Index"
            /// "Sensing Method"
            /// "FileSource"
            /// "SceneType"
            /// "CfaPattern"
            /// "Gps Ver"
            /// "Gps LatitudeRef"
            /// "Gps Latitude"
            /// "Gps LongitudeRef"
            /// "Gps Longitude"
            /// "Gps AltitudeRef"
            /// "Gps Altitude"
            /// "Gps GpsTime"
            /// "Gps GpsSatellites"
            /// "Gps GpsStatus"
            /// "Gps GpsMeasureMode"
            /// "Gps GpsDop"
            /// "Gps SpeedRef"
            /// "Gps Speed"
            /// "Gps TrackRef"
            /// "Gps Track"
            /// "Gps ImgDirRef"
            /// "Gps ImgDir"
            /// "Gps MapDatum"
            /// "Gps DestLatRef"
            /// "Gps DestLat"
            /// "Gps DestLongRef"
            /// "Gps DestLong"
            /// "Gps DestBearRef"
            /// "Gps DestBear"
            /// "Gps DestDistRef"
            /// "Gps DestDist"
            /// </summary>
            public object this[string index]
            {
                get
                {
                    return properties[index];
                }
            }
            //
            private System.Drawing.Bitmap bmp;
            //
            private string data;
            //
            private translation myHash;
            //
            private Hashtable properties;
            //
            internal int Count
            {
                get
                {
                    return this.properties.Count;
                }
            }
            //
            string sp;
            /// <summary>
            /// 
            /// </summary>
            /// <param name="id"></param>
            /// <param name="len"></param>
            /// <param name="type"></param>
            /// <param name="data"></param>
            public void setTag(int id, string data)
            {
                Encoding ascii = Encoding.ASCII;
                this.setTag(id, data.Length, 0x2, ascii.GetBytes(data));
            }
            /// <summary>
            /// 
            /// </summary>
            /// <param name="id"></param>
            /// <param name="len"></param>
            /// <param name="type"></param>
            /// <param name="data"></param>
            public void setTag(int id, int len, short type, byte[] data)
            {
                PropertyItem p = CreatePropertyItem(type, id, len, data);
                this.bmp.SetPropertyItem(p);
                buildDB(this.bmp.PropertyItems);
            }
            /// <summary>
            /// 
            /// </summary>
            /// <param name="type"></param>
            /// <param name="tag"></param>
            /// <param name="len"></param>
            /// <param name="value"></param>
            /// <returns></returns>
            private static PropertyItem CreatePropertyItem(short type, int tag, int len, byte[] value)
            {
                PropertyItem item;

                // Loads a PropertyItem from a Jpeg image stored in the assembly as a resource.
                Assembly assembly = Assembly.GetExecutingAssembly();
                Stream emptyBitmapStream = assembly.GetManifestResourceStream("EXIFextractor.decoy.jpg");
                System.Drawing.Image empty = System.Drawing.Image.FromStream(emptyBitmapStream);

                item = empty.PropertyItems[0];

                // Copies the data to the property item.
                item.Type = type;
                item.Len = len;
                item.Id = tag;
                item.Value = new byte[value.Length];
                value.CopyTo(item.Value, 0);

                return item;
            }
            /// <summary>
            /// 
            /// </summary>
            /// <param name="bmp"></param>
            /// <param name="sp"></param>
            public EXIFextractor(ref System.Drawing.Bitmap bmp, string sp)
            {
                properties = new Hashtable();
                //
                this.bmp = bmp;
                this.sp = sp;
                //
                myHash = new translation();
                buildDB(this.bmp.PropertyItems);
            }
            string msp = "";
            public EXIFextractor(ref System.Drawing.Bitmap bmp, string sp, string msp)
            {
                properties = new Hashtable();
                this.sp = sp;
                this.msp = msp;
                this.bmp = bmp;
                //                
                myHash = new translation();
                this.buildDB(bmp.PropertyItems);

            }
            public static PropertyItem[] GetExifProperties(string fileName)
            {
                using (FileStream stream = new FileStream(fileName, FileMode.Open, FileAccess.Read))
                {
                    System.Drawing.Image image = System.Drawing.Image.FromStream(stream,
                        /* useEmbeddedColorManagement = */ true,
                        /* validateImageData = */ false);
                    return image.PropertyItems;
                }
            }
            public EXIFextractor(string file, string sp, string msp)
            {
                properties = new Hashtable();
                this.sp = sp;
                this.msp = msp;

                myHash = new translation();
                //                
                this.buildDB(GetExifProperties(file));

            }

            /// <summary>
            /// 
            /// </summary>
            private void buildDB(System.Drawing.Imaging.PropertyItem[] parr)
            {
                properties.Clear();
                //
                data = "";
                //
                Encoding ascii = Encoding.ASCII;
                //
                foreach (System.Drawing.Imaging.PropertyItem p in parr)
                {
                    string v = "";
                    string name = (string)myHash[p.Id];
                    // tag not found. skip it
                    if (name == null) continue;
                    //
                    data += name + ": ";
                    //
                    //1 = BYTE An 8-bit unsigned integer.,
                    if (p.Type == 0x1)
                    {
                        v = p.Value[0].ToString();
                    }
                    //2 = ASCII An 8-bit byte containing one 7-bit ASCII code. The final byte is terminated with NULL.,
                    else if (p.Type == 0x2)
                    {
                        // string                    
                        v = ascii.GetString(p.Value);
                    }
                    //3 = SHORT A 16-bit (2 -byte) unsigned integer,
                    else if (p.Type == 0x3)
                    {
                        // orientation // lookup table                    
                        switch (p.Id)
                        {
                            case 0x8827: // ISO
                                v = "ISO-" + convertToInt16U(p.Value).ToString();
                                break;
                            case 0xA217: // sensing method
                                {
                                    switch (convertToInt16U(p.Value))
                                    {
                                        case 1: v = "Not defined"; break;
                                        case 2: v = "One-chip color area sensor"; break;
                                        case 3: v = "Two-chip color area sensor"; break;
                                        case 4: v = "Three-chip color area sensor"; break;
                                        case 5: v = "Color sequential area sensor"; break;
                                        case 7: v = "Trilinear sensor"; break;
                                        case 8: v = "Color sequential linear sensor"; break;
                                        default: v = " reserved"; break;
                                    }
                                }
                                break;
                            case 0x8822: // aperture 
                                switch (convertToInt16U(p.Value))
                                {
                                    case 0: v = "Not defined"; break;
                                    case 1: v = "Manual"; break;
                                    case 2: v = "Normal program"; break;
                                    case 3: v = "Aperture priority"; break;
                                    case 4: v = "Shutter priority"; break;
                                    case 5: v = "Creative program (biased toward depth of field)"; break;
                                    case 6: v = "Action program (biased toward fast shutter speed)"; break;
                                    case 7: v = "Portrait mode (for closeup photos with the background out of focus)"; break;
                                    case 8: v = "Landscape mode (for landscape photos with the background in focus)"; break;
                                    default: v = "reserved"; break;
                                }
                                break;
                            case 0x9207: // metering mode
                                switch (convertToInt16U(p.Value))
                                {
                                    case 0: v = "unknown"; break;
                                    case 1: v = "Average"; break;
                                    case 2: v = "CenterWeightedAverage"; break;
                                    case 3: v = "Spot"; break;
                                    case 4: v = "MultiSpot"; break;
                                    case 5: v = "Pattern"; break;
                                    case 6: v = "Partial"; break;
                                    case 255: v = "Other"; break;
                                    default: v = "reserved"; break;
                                }
                                break;
                            case 0x9208: // light source
                                {
                                    switch (convertToInt16U(p.Value))
                                    {
                                        case 0: v = "unknown"; break;
                                        case 1: v = "Daylight"; break;
                                        case 2: v = "Fluorescent"; break;
                                        case 3: v = "Tungsten"; break;
                                        case 17: v = "Standard light A"; break;
                                        case 18: v = "Standard light B"; break;
                                        case 19: v = "Standard light C"; break;
                                        case 20: v = "D55"; break;
                                        case 21: v = "D65"; break;
                                        case 22: v = "D75"; break;
                                        case 255: v = "other"; break;
                                        default: v = "reserved"; break;
                                    }
                                }
                                break;
                            case 0x9209:
                                {
                                    switch (convertToInt16U(p.Value))
                                    {
                                        case 0: v = "Flash did not fire"; break;
                                        case 1: v = "Flash fired"; break;
                                        case 5: v = "Strobe return light not detected"; break;
                                        case 7: v = "Strobe return light detected"; break;
                                        default: v = "reserved"; break;
                                    }
                                }
                                break;
                            default:
                                v = convertToInt16U(p.Value).ToString();
                                break;
                        }
                    }
                    //4 = LONG A 32-bit (4 -byte) unsigned integer,
                    else if (p.Type == 0x4)
                    {
                        // orientation // lookup table                    
                        v = convertToInt32U(p.Value).ToString();
                    }
                    //5 = RATIONAL Two LONGs. The first LONG is the numerator and the second LONG expresses the//denominator.,
                    else if (p.Type == 0x5)
                    {
                        // rational
                        byte[] n = new byte[p.Len / 2];
                        byte[] d = new byte[p.Len / 2];
                        Array.Copy(p.Value, 0, n, 0, p.Len / 2);
                        Array.Copy(p.Value, p.Len / 2, d, 0, p.Len / 2);
                        uint a = convertToInt32U(n);
                        uint b = convertToInt32U(d);
                        Rational r = new Rational(a, b);
                        //
                        //convert here
                        //
                        switch (p.Id)
                        {
                            case 0x9202: // aperture
                                v = "F/" + Math.Round(Math.Pow(Math.Sqrt(2), r.ToDouble()), 2).ToString();
                                break;
                            case 0x920A:
                                v = r.ToDouble().ToString();
                                break;
                            case 0x829A:
                                v = r.ToDouble().ToString();
                                break;
                            case 0x829D: // F-number
                                v = "F/" + r.ToDouble().ToString();
                                break;
                            default:
                                v = r.ToString("/");
                                break;
                        }

                    }
                    //7 = UNDEFINED An 8-bit byte that can take any value depending on the field definition,
                    else if (p.Type == 0x7)
                    {
                        switch (p.Id)
                        {
                            case 0xA300:
                                {
                                    if (p.Value[0] == 3)
                                    {
                                        v = "DSC";
                                    }
                                    else
                                    {
                                        v = "reserved";
                                    }
                                    break;
                                }
                            case 0xA301:
                                if (p.Value[0] == 1)
                                    v = "A directly photographed image";
                                else
                                    v = "Not a directly photographed image";
                                break;
                            default:
                                v = "-";
                                break;
                        }
                    }
                    //9 = SLONG A 32-bit (4 -byte) signed integer (2's complement notation),
                    else if (p.Type == 0x9)
                    {
                        v = convertToInt32(p.Value).ToString();
                    }
                    //10 = SRATIONAL Two SLONGs. The first SLONG is the numerator and the second SLONG is the
                    //denominator.
                    else if (p.Type == 0xA)
                    {

                        // rational
                        byte[] n = new byte[p.Len / 2];
                        byte[] d = new byte[p.Len / 2];
                        Array.Copy(p.Value, 0, n, 0, p.Len / 2);
                        Array.Copy(p.Value, p.Len / 2, d, 0, p.Len / 2);
                        int a = convertToInt32(n);
                        int b = convertToInt32(d);
                        Rational r = new Rational(a, b);
                        //
                        // convert here
                        //
                        switch (p.Id)
                        {
                            case 0x9201: // shutter speed
                                v = "1/" + Math.Round(Math.Pow(2, r.ToDouble()), 2).ToString();
                                break;
                            case 0x9203:
                                v = Math.Round(r.ToDouble(), 4).ToString();
                                break;
                            default:
                                v = r.ToString("/");
                                break;
                        }
                    }
                    // add it to the list
                    if (properties[name] == null)
                        properties.Add(name, v);
                    // cat it too
                    data += v;
                    data += this.sp;
                }

            }

            /// <summary>
            /// 
            /// </summary>
            /// <returns></returns>
            public override string ToString()
            {
                return data;
            }
            /// <summary>
            /// 
            /// </summary>
            /// <param name="arr"></param>
            /// <returns></returns>
            int convertToInt32(byte[] arr)
            {
                if (arr.Length != 4)
                    return 0;
                else
                    return arr[3] << 24 | arr[2] << 16 | arr[1] << 8 | arr[0];
            }
            /// <summary>
            /// 
            /// </summary>
            /// <param name="arr"></param>
            /// <returns></returns>
            int convertToInt16(byte[] arr)
            {
                if (arr.Length != 2)
                    return 0;
                else
                    return arr[1] << 8 | arr[0];
            }
            /// <summary>
            /// 
            /// </summary>
            /// <param name="arr"></param>
            /// <returns></returns>
            uint convertToInt32U(byte[] arr)
            {
                if (arr.Length != 4)
                    return 0;
                else
                    return Convert.ToUInt32(arr[3] << 24 | arr[2] << 16 | arr[1] << 8 | arr[0]);
            }
            /// <summary>
            /// 
            /// </summary>
            /// <param name="arr"></param>
            /// <returns></returns>
            uint convertToInt16U(byte[] arr)
            {
                if (arr.Length != 2)
                    return 0;
                else
                    return Convert.ToUInt16(arr[1] << 8 | arr[0]);
            }
            #region IEnumerable Members

            public IEnumerator GetEnumerator()
            {
                // TODO:  Add EXIFextractor.GetEnumerator implementation
                return (new EXIFextractorEnumerator(this.properties));
            }

            #endregion
        }

        //
        // dont touch this class. its for IEnumerator
        // 
        //
        class EXIFextractorEnumerator : IEnumerator
        {
            Hashtable exifTable;
            IDictionaryEnumerator index;

            internal EXIFextractorEnumerator(Hashtable exif)
            {
                this.exifTable = exif;
                this.Reset();
                index = exif.GetEnumerator();
            }

            #region IEnumerator Members

            public void Reset()
            {
                this.index = null;
            }

            public object Current
            {
                get
                {
                    return (new System.Web.UI.Pair(this.index.Key, this.index.Value));
                }
            }

            public bool MoveNext()
            {
                if (index != null && index.MoveNext())
                    return true;
                else
                    return false;
            }

            #endregion

        }

    }
}

 ranamePentaxFolderAsYear.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using MyCmn;
using System.Configuration;
using System.IO;
using System.Reflection;

namespace MyTool
{

    public class RenamePentaxFolderAsYearHandler : ICommandHandler
    {
        public string RenamePentaxFolderAsYear { get; set; }

        public RenamePentaxFolderAsYearHandler(CmdArgs arg)
        {
            arg.ToModel(this);
        }

        public string Do()
        {
            Console.WriteLine("---------------------------------------------------------------------------");

            DoItem(RenamePentaxFolderAsYear);
            Console.WriteLine("￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣");

            return "         ● 重命名完成   !";
        }

        private void DoItem(string pentaxPath)
        {
            var each = pentaxPath.Split('\\').Last().Split('_');
            if (each.Length == 2)
            {
                if (each[0].AsInt() > 0 && each[1].AsInt() > 0)
                {
                    var di = System.IO.Directory.GetFiles(pentaxPath, "*.jpg");
                    if (di.Any() == false) return;
                    var fi = di[0];

                    var info = new Goheer.EXIF.EXIFextractor(fi, "", "");

                    var dt = info["DTDigitized"].AsString().Split(' ')[0].Split(':')[0].AsInt();

                    if (dt.HasValue())
                    {
                        var pi = new DirectoryInfo(pentaxPath);
                        var newPath = pi.Parent.FullName + System.IO.Path.DirectorySeparatorChar + dt + "_" + each[1];
                        if (pentaxPath != newPath)
                        {
                            try
                            {
                                System.IO.Directory.Move(pentaxPath, newPath);
                                MyConsole.WriteLine(pentaxPath + " =>  " + newPath, ConsoleColor.Green);
                                pentaxPath = newPath;
                            }
                            catch (Exception e)
                            {
                                MyConsole.WriteLine(pentaxPath + "  " + e.Message, ConsoleColor.Red);
                            }
                        }
                    }
                }
            }

            foreach (var item in System.IO.Directory.GetDirectories(pentaxPath))
            {
                DoItem(item);
            }
        }
    }
}