The DDEPOKE structure contains the data, and information about the data, sent as part of a WM_DDE_POKE message. This structure supersedes the DDEUP structure.
typedef struct { // ddepok
unsigned short unused:13,
fRelease:1,
fReserved:2;
short cfFormat;
BYTE Value[1];
} DDEPOKE;
CF_BITMAP
CF_DIB
CF_DIF
CF_ENHMETAFILE
CF_METAFILEPICT
CF_OEMTEXT
CF_PALETTE
CF_PENDATA
CF_RIFF
CF_SYLK
CF_TEXT
CF_TIFF
CF_WAVE
CF_UNICODETEXT