public static string ToIfcGuid( Guid guid )
{
uint[] num = new uint[6];
char[] str = new char[22];
int i, n;
byte[] b = guid.ToByteArray();
// Creation of six 32 Bit integers from the components of the GUID structure
num[0] = ( uint ) ( BitConverter.ToUInt32( b, 0 ) / 16777216 );
num[1] = ( uint ) ( BitConverter.ToUInt32( b, 0 ) % 16777216 );
num[2] = ( uint ) ( BitConverter.ToUInt16( b, 4 ) * 256 + BitConverter.ToInt16( b, 6 ) / 256 );
num[3] = ( uint ) ( ( BitConverter.ToUInt16( b, 6 ) % 256 ) * 65536 + b[8] * 256 + b[9] );
num[4] = ( uint ) ( b[10] * 65536 + b[11] * 256 + b[12] );
num[5] = ( uint ) ( b[13] * 65536 + b[14] * 256 + b[15] );
// Conversion of the numbers into a system using a base of 64
n = 2;
int pos = 0;
for( i = 0; i < 6; i++ )
{
cv_to_64( num[i], ref str, pos, n );
pos += n; n = 4;
}
return new String( str );
}
#endregion // Conversion Methods
