/////////////////////////////////////////////
/* Initialize method variables */
/////////////////////////////////////////////
void initializeVariables()
{
msg_header_block = new HeaderBlock(); // Array to hold Message Header Block data.
description_block = new DescriptionBlock(); // Array to hold Product Description Block data.
// Array to hold the Product Symbology Block data.
msg_header_block_offset = 30;
description_block_offset = 48;
}
/////////////////////////////////////////////
/* Parse the Message Header Block into an */
/* array and return it. */
/////////////////////////////////////////////
public HeaderBlock parseMHB()
{
HeaderBlock msg_header_block = new HeaderBlock();
fs.Seek(msg_header_block_offset, SeekOrigin.Begin);
msg_header_block.Code = readHalfWord(); // HW 1
msg_header_block.DateTime = readTimeStamp(); // convertFromJulian((int)(readHalfWord() + 2440586.5)); // HW 2
msg_header_block.Length = readWord(); // HW 5 & HW 6
msg_header_block.sourceID = readHalfWord(); // HW 7
msg_header_block.destinationID = readHalfWord(); // HW 8
msg_header_block.numberofBlocks = readHalfWord(); // HW 9
this.msg_header_block = msg_header_block;
return(msg_header_block);
}