[C#]擷取Picasa資料庫(_.PMP)內現有的資料

				var type = br.ReadInt16();

				if (0x1332 != br.ReadInt16())
				{
					throw new Exception("Incorrect format");
				}

				if (0x00000002 != br.ReadInt32())
				{
					throw new Exception("Incorrect format");
				}

				if (type != br.ReadInt16())
				{
					throw new Exception("Incorrect format");
				}

				if (0x1332 != br.ReadInt16())
				{
					throw new Exception("Incorrect format");
				}

				var number = br.ReadInt32();

				switch (type)
				{
					case 0x00:
						DumpStringField(br, number);
						break;
					case 0x01:
						Dump4ByteField(br, number);
						break;
					case 0x02:
						DumpDateField(br, number);
						break;
					case 0x03:
						DumpByteField(br, number);
						break;
					case 0x04:
						Dump8ByteField(br, number);
						break;
					case 0x05:
						Dump2ByteField(br, number);
						break;
					case 0x06:
						DumpStringField(br, number);
						break;
					case 0x07:
						Dump4ByteField(br, number);
						break;
					default:
						throw new Exception("Incorrect format");
				}
			}
		}
		...</pre></div>

namespace WindowsFormsApplication28 { public partial class Form1 : Form { public Form1() { InitializeComponent(); }

	private void btnLoad_Click(object sender, EventArgs e)
	{
		if (openFileDialog1.ShowDialog() != DialogResult.OK)
			return;

		textBox1.Text = string.Empty;

		var file = openFileDialog1.FileName;

		using (var fs = File.OpenRead(file))
		{
			using (var br = new BinaryReader(fs))
			{
				var magic = br.ReadBytes(4);
				if(magic[0] != 0xcd ||
					magic[1] != 0xcc ||
					magic[2] != 0xcc ||
					magic[3] != 0x3f)
				{
					throw new Exception("Incorrect format");
				}

				var type = br.ReadInt16();

				if (0x1332 != br.ReadInt16())
				{
					throw new Exception("Incorrect format");
				}

				if (0x00000002 != br.ReadInt32())
				{
					throw new Exception("Incorrect format");
				}

				if (type != br.ReadInt16())
				{
					throw new Exception("Incorrect format");
				}

				if (0x1332 != br.ReadInt16())
				{
					throw new Exception("Incorrect format");
				}

				var number = br.ReadInt32();

				switch (type)
				{
					case 0x00:
						DumpStringField(br, number);
						break;
					case 0x01:
						Dump4ByteField(br, number);
						break;
					case 0x02:
						DumpDateField(br, number);
						break;
					case 0x03:
						DumpByteField(br, number);
						break;
					case 0x04:
						Dump8ByteField(br, number);
						break;
					case 0x05:
						Dump2ByteField(br, number);
						break;
					case 0x06:
						DumpStringField(br, number);
						break;
					case 0x07:
						Dump4ByteField(br, number);
						break;
					default:
						throw new Exception("Incorrect format");
				}
			}
		}
	}

	private void DumpStringField(BinaryReader br, int number)
	{
		var sb = new StringBuilder(1024);
		for (long i = 0; i < number; i++)
		{
			var value = getString(br);//br.ReadString();
			sb.AppendFormat("[{0}] {1}", i, value);
			sb.Append(Environment.NewLine);
		}
		textBox1.Text = sb.ToString();
	}

	private String getString(BinaryReader br)
	{
		var sb = new StringBuilder();
		int c;
		while((c = br.Read()) != 0) {
			sb.Append((char)c);
		}
		return sb.ToString();
	}

	private void DumpDateField(BinaryReader br, int number)
	{
		var sb = new StringBuilder();
		int[] bytes = new int[8];
		for (long idx = 0; idx < number; idx++)
		{
			long ld = 0;
			for (int i = 0; i < 8; i++)
			{
				bytes[i] = br.ReadByte();
				var temp = bytes[i];
				temp <<= (8 * i);
				ld += temp;
			}

			sb.Append("[" + idx + "] ");

			double d = BitConverter.Int64BitsToDouble(ld);

			d -= 25569;
			long ut = (long)Math.Round(d * 864001 * 10001);

			sb.Append(DateTime.FromFileTime(ut));
		}
		textBox1.Text = sb.ToString();
	}

	private void DumpByteField(BinaryReader br, int number)
	{
		var sb = new StringBuilder(1024);
		for (long i = 0; i < number; i++)
		{
			var value = br.ReadByte();
			sb.AppendFormat("[{0}] {1}", i, value);
			sb.Append(Environment.NewLine);
		}
		textBox1.Text = sb.ToString();
	}

	private void Dump2ByteField(BinaryReader br, int number)
	{
		var sb = new StringBuilder(1024);
		for (long i = 0; i < number; i++)
		{
			var value = br.ReadInt16();
			sb.AppendFormat("[{0}] {1}", i, value);
			sb.Append(Environment.NewLine);
		}
		textBox1.Text = sb.ToString();
	}

	private void Dump4ByteField(BinaryReader br, int number)
	{
		var sb = new StringBuilder(1024);
		for (long i = 0; i < number; i++)
		{
			var value = br.ReadInt32();
			sb.AppendFormat("[{0}] {1}", i, value);
			sb.Append(Environment.NewLine);
		}
		textBox1.Text = sb.ToString();
	}

	private void Dump8ByteField(BinaryReader br, int number)
	{
		var sb = new StringBuilder();
		int[] bytes = new int[8];
		for (long idx = 0; idx < number; idx++)
		{
			for (int i = 0; i < 8; i++)
			{
				bytes[i] = br.ReadByte();
			}

			sb.Append("[" + idx + "] ");

			for (int i = 7; i >= 0; i--)
			{
				String x = Convert.ToString(bytes[i], 16);

				if (x.Length == 1)
				{
					sb.Append("0");
				}
				sb.Append(x);
			}
			sb.AppendLine();
		}
		textBox1.Text = sb.ToString();
	}
}

}

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