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Is zero ever a valid handle?

Tags:

.net

winapi

handle

There is a SafeHandleZeroOrMinusOneIsInvalid class in the .NET Framework, as well as a SafeHandleMinusOneIsInvalid class.

Why is this? In which situations is zero ever a valid handle?

like image 558
user541686 Avatar asked Oct 10 '11 15:10

user541686

1 Answers

As additional lecture to the other answers, see this OldNewThing blog entry about inconsistent handle return values.

like image 61
MartinStettner Avatar answered Nov 13 '22 22:11

MartinStettner
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