MAKELPARAM

The MAKELPARAM macro creates an unsigned 32-bit value for use as an lParam parameter in a message. The macro concatenates two given 16-bit values.

LPARAM MAKELPARAM(
  WORD wLow,  // low-order word
  WORD wHigh  // high-order word
);
 

Parameters

wLow

Specifies the low-order word of the new long value.

wHigh

Specifies the high-order word of the new long value.

Return Values

The return value is an unsigned 32-bit value.

Remarks

The MAKELPARAM macro is defined as follows:

#define MAKELPARAM(l, h)   ((LPARAM) MAKELONG(l, h)) 
 

QuickInfo

  Windows NT: Requires version 3.1 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Requires version 1.0 or later.
  Header: Declared in winuser.h.

See Also

Windows Overview, Window Macros, MAKELONG, MAKELRESULT, MAKEWPARAM