PROPID_M_EXTENSION_LEN

The PROPID_M_EXTENSION_LEN property specifies the length of the information in the PROPID_M_EXTENSION property.

Type Indicator

VT_UI4

PROPVARIANT Field

ulVal

Property Values

Length (in bytes) of PROPID_M_EXTENSION.

Remarks

When passing PROPID_M_EXTENSION_LEN to MQReceiveMessage, the corresponding VT field in the aPropVar array can be set to VT_NULL.

QuickInfo

  Windows NT: Requires version 4.0 SP3 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Unsupported.
  Header: Declared in mq.h.
  Import Library: Use mqrt.lib.
  Unicode: Defined only as Unicode.

See Also

MQReceiveMessage, PROPID_M_EXTENSION