pinvoke.net: Edit: Structures.

@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$
@pinvoke=http://pinvoke.net/$$$.htm

Summary: TODO - a short description

!!!!C# Definition:
 [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
        internal struct GuidStruct
        {
            internal UInt32 Data1;
            internal UInt16 Data2;
            internal UInt16 Data3;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
            internal byte[] Data4;

internal GuidStruct Initialize()
            {
                Data4 = new byte[8];
                  return this;
            }

internal GuidStruct Initialize(string guid)
            {
                Data4 = new byte[8];
                ConvertirToGuidStruct(guid);
                return this;
            }

internal void ConvertToGuidStruct(string guid)
            {
                string[] guidTab = guid.Split(new char[] { ':', '-' });
                if (guidTab.Length == 5)
                {
                    this.Data1 = Convert.ToUInt32(guidTab[0], 16);
                    this.Data2 = Convert.ToUInt16(guidTab[1], 16);
                    this.Data3 = Convert.ToUInt16(guidTab[2], 16);
                    byte[] data4Part1 = BitConverter.GetBytes(Convert.ToInt16(guidTab[3], 16));
                    byte[] data4Part2 = BitConverter.GetBytes(Convert.ToInt64(guidTab[4], 16));

if (data4Part1.Length == 2 && data4Part2.Length == 8)
                    {
                        this.Data4[0] = data4Part1[0];
                        this.Data4[1] = data4Part1[1];
                        this.Data4[2] = data4Part2[0];
                        this.Data4[3] = data4Part2[1];
                        this.Data4[4] = data4Part2[2];
                        this.Data4[5] = data4Part2[3];
                        this.Data4[6] = data4Part2[4];
                        this.Data4[7] = data4Part2[5];
                    }
                }
            }

internal string ConvertToString()
            {
                string guid;

guid = Data1.ToString("x").PadLeft(8, '0');
                guid += "-" + Data2.ToString("x").PadLeft(4, '0');
                guid += "-" + Data3.ToString("x").PadLeft(4, '0');
                guid += "-" + BitConverter.ToInt16(new byte[] { Data4[0], Data4[1] }, 0).ToString("x");
                guid += "-" + BitConverter.ToInt64(new byte[] { Data4[2], Data4[3], Data4[4], Data4[5], Data4[6], Data4[7], 0, 0 }, 0).ToString("x");
                return guid;
            }
        }
!!!!VB Definition:
 Structure _GUID 
   Public TODO
 End Structure
!!!!User-Defined Field Types:
None.

!!!!Notes:
None.

Documentation: _GUID@msdn on MSDN