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Contains flags that specify how a DDE server application should send data to a client application during an advise loop. A client passes a handle to a DDEADVISE structure to a server as part of a WM_DDE_ADVISE message.
Syntax
typedef struct {
unsigned short reserved : 14;
unsigned short fDeferUpd : 1;
unsigned short fAckReq : 1;
unsigned short usFlags;
short cfFormat;
} DDEADVISE;
Members
reserved
Type: unsigned short
Reserved.
fDeferUpd
Type: unsigned short
Indicates whether the server should defer sending updated data to the client. If this value is nonzero, the server should send a WM_DDE_DATA message with a NULL data handle whenever the data item changes. In response, the client can post a WM_DDE_REQUEST message to the server to get a handle to the updated data.
fAckReq
Type: short
Indicates whether the server should set the fAckReq flag in the WM_DDE_DATA messages it posts to the client. If this value is nonzero, the server should set the fAckReq bit.
usFlags
cfFormat
Type: short
The client application's preferred data format. The format must be a standard or registered clipboard format. The following standard clipboard formats can be used:
CF_BITMAP (2)
CF_DIB (8)
CF_DIF (5)
CF_ENHMETAFILE (14)
CF_METAFILEPICT (3)
CF_OEMTEXT (7)
CF_PALETTE (9)
CF_PENDATA (10)
CF_RIFF (11)
CF_SYLK (4)
CF_TEXT (1)
CF_TIFF (6)
CF_WAVE (12)
CF_UNICODETEXT (13)
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows 2000 Professional [desktop apps only] |
Minimum supported server | Windows 2000 Server [desktop apps only] |
Header | dde.h (include Windows.h) |
See also
Conceptual
Reference