Personal Communications Response

Personal Communications returns the handle of the newly created menu item in a DDE data message if the Personal Communications can create a menu item. 
WM_DDE_DATA(hData,aCREATEMENU)
where:
hData
Identifies a handle to a windows global memory object that contains the handle of the menu item. The global memory object contains the following structure: 
typedef struct tagCreateMenu
{
  unsigned char    data[(sizeof(DDEDATA)-1)];
  HWND             hMemuItem;     /* Handle of the menu item
} CREATEMENU;
 
typedef union tagDDE_CREATEMENU
{
  DDEDATA     DDEdata;
  CREATEMENU  DDEmenu;
} DDE_CREATEMENU,*lpDDE_CREATEMENU;
or 
WM_DDE_ACK(wStatus,aCREATEMENU)

If Personal Communications cannot create a menu item, one of the following status codes is returned in the low-order byte of the wStatus word:

Return Code Explanation
6 The specified format is not valid.
9 A system error occurred.