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Name: Packaging Values in Dword
Uploaded: 2026-09-28T12:23:26+00:00
Duration: 18 min 20 s
Description: How Would I Package Two Unsigned Short (Word) Values into One Unsigned Long (Dword) Value? I Know How to Get Them Using Hiword and Loword Macros but Is There...

Question

How would I package two unsigned short (WORD) values into one unsigned long (DWORD) value?

I know how to get them using HIWORD and LOWORD macros but is there a ... sort of reverse macro for storing them into a DWORD quickly?

I'm programming in C++ with Microsoft Visual Studio 2012 IDE.

Accepted Answer

MAKELONG takes two WORDs and combines them into a single DWORD:

DWORD MAKELONG(
  WORD wLow,
  WORD wHigh
);

No idea why it isn't called MAKEDWORD...

Answer 2

Something like:

 DWORD x = (lo) | (hi << 16);

should do it.

Answer 3

What about this MAKELONG macro?

DWORD MAKELONG(
  WORD wLow,
  WORD wHigh
);

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Packaging Values in Dword

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Robert Thorne

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Robert Thorne