DDEACK

The DDEACK structure contains status flags that a DDE application passes to its partner as part of the WM_DDE_ACK message. The flags provide details about the application's response to the messages WM_DDE_DATA, WM_DDE_POKE, WM_DDE_EXECUTE, WM_DDE_ADVISE, WM_DDE_UNADVISE, and WM_DDE_REQUEST.

typedef struct { // ddeack 
    unsigned short bAppReturnCode:8, 
    reserved:6, 
    fBusy:1, 
    fAck:1; 
} DDEACK; 
 

Members

bAppReturnCode

Specifies an application-defined return code.

fBusy

Indicates whether the application was busy and unable to respond to the partner's message at the time the message was received. A nonzero value indicates the partner was busy and unable to respond. The fBusy member is defined only when the fAck member is zero.

fAck

Indicates whether the application accepted the message from its partner. A nonzero value indicates the partner accepted the message.

QuickInfo

  Windows NT: Requires version 3.1 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Unsupported.
  Header: Declared in dde.h.

See Also

Dynamic Data Exchange Overview, Dynamic Data Exchange Structures, WM_DDE_ACK, WM_DDE_ADVISE, WM_DDE_DATA, WM_DDE_EXECUTE, WM_DDE_REQUEST, WM_DDE_POKE, WM_DDE_UNADVISE