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Object Browser and negative hex numbers
Message
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Divers
Thread ID:
00596369
Message ID:
00596390
Vues:
20
>>I was looking for something in the object browser and notice following:
>>Constant wdAlertsAll = -1
>>Hex: -0x00000001, Bin: 11111111
>>Member of Word (cached).WdAlertLevel
The part that get me curious is
Hex: -0x00000001
I never encountered negative hex numbers before. Shouldn't it be?
Hex: 0xff
>
>If it's a DWORD, then it should be 0xFFFFFFFF. The binary representation you show is only a byte. Generally, bytes are unsigned, words and dwords can be signed or unsigned. Why the representation the way it is, I can only guess.

I just tried
? -0x00000001
and VFP shows it as -1. At least it works in VFP.
--sb--
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