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UnpackDDElParam function

Unpacks a Dynamic Data Exchange (DDE)lParam value received from a posted DDE message.

Syntax


BOOL WINAPI UnpackDDElParam(
  _In_   UINT msg,
  _In_   LPARAM lParam,
  _Out_  PUINT_PTR puiLo,
  _Out_  PUINT_PTR puiHi
);

Parameters

msg [in]

Type: UINT

The posted DDE message.

lParam [in]

Type: LPARAM

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 [out]

Type: PUINT_PTR

A pointer to a variable that receives the low-order word of lParam.

puiHi [out]

Type: PUINT_PTR

A pointer to a variable that receives the high-order word of lParam.

Return value

Type: BOOL

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero.

Remarks

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

Requirements

Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Header	Dde.h (include Windows.h)
Library	User32.lib
DLL	User32.dll

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