The Data Packet is a location in application storage that contains the following data:

┌──────────────────────────────────────────────────────┐
│Field                          Length     C Datatype  │
├──────────────────────────────────────────────────────┤
│Length of Data                 WORD       USHORT      │
├──────────────────────────────────────────────────────┤
│Display Configuration Number   WORD       USHORT      │
├──────────────────────────────────────────────────────┤
│Caller                         WORD       USHORT      │
└──────────────────────────────────────────────────────┘

Related C Data Structure

The PTRDRAWDATA data structure can be used by C programmers.

To include this data structure in your file, make sure INCL_DOSDEVIOCTL is defined before you include OS2.H.