UnpackDDElParam info Overview Group

The UnpackDDElParam function unpacks a DDE lParam value received from a posted DDE message.

BOOL UnpackDDElParam(

UINT msg,	// posted DDE message
LONG lParam,	// lParam of posted DDE message
PUINT puiLo,	// address of low-order word of lParam
PUINT puiHi	// address of high-order word of lParam
);

Parameters

msg: Specifies the posted DDE message.
lParam: Specifies the lParam parameter of the posted DDE message that was received. The application must free the memory object specified by the lParam parameter by calling the FreeDDElParam function.
puiLo: Points to a value the function will set to the low-order word of lParam.
puiHi: Points to a value the function will set to the high-order word of lParam.

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero.

PackDDElParam eases the porting of 16-bit DDE applications to 32-bit DDE applications.