Version (MQLONG) for MQDMHO
This is the structure version number; the value must be:
- MQDMHO_VERSION_1
- Version-1 delete message handle options structure.
The following constant specifies the version number of the current version:
- MQDMHO_CURRENT_VERSION
- Current version of delete message handle options structure.
This is always an input field. The initial value of this field is MQDMHO_VERSION_1.