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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

See also

Reference
FreeDDElParam
PackDDElParam
ReuseDDElParam
Conceptual
About Dynamic Data Exchange

 

 

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