This method reads 8 bytes from the Message Data buffer, starting with the byte referred to by DataOffset and returns it as a Double (signed 8-byte) floating point value.
The method fails if MQMessage.DataLength is less than 8 when it is issued.
DataOffset is incremented by 8 and DataLength is decremented by 8 if the method succeeds.
The 8 characters of message data are assumed to be a binary floating point number whose encoding is specified by the MQMessage.Encoding property. Note that conversion from System/360(TM) format is not supported.
Defined in: MQMessage class
Syntax:
doublev# = MQMessage.ReadDouble
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