pvoid (PVOID)

      Varies, depending on value selected above.

      param2 depends on the value of param1 usmessageid.

      If param1 usmessageid is HMQW_VIEWPORT, then param2 is a pointer to the res number, ID, or group ID.

      If param1 usmessageid is HMQW_GROUP_VIEWPORT, then param2 is the handle of the viewport for which the group number is assigned.

      If param1 usmessageid is HMQW_RES_VIEWPORT, then param2 is the handle of the viewport for which the res number is requested.

    [Back] [Next]