TAppWindowDropZoneMsg

type TAppWindowDropZoneMsg = record

  adzm_RastPort: PRastPort;

RastPort to render into.

  adzm_DropZoneBox: TIBox;

Limit your rendering to this area.

  adzm_ID: LongWord;

This is the ID straight from AddAppWindowDropZoneA().

  adzm_UserData: NativeUInt;

This is the UserData straight from AddAppWindowDropZoneA().

  adzm_Action: LongInt;

Action was done. ADZMACTION_Enter, ADZMACTION_Leave

end;