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Although the conditional ternary operator (?)
of C# can be used in a similar way to VB's IIf function, it is not
strictly equivalent. VB's IIf function needs to evaluate all
arguments since it is a method (method calls always evaluate all
arguments), but the ternary operator is able to bypass some
evaluations (using short-circuit logic in a similar way to the
logical operators && and ||).
If your VB code used IIf in a way which
depended on the side-effects produced by evaluating all arguments
(e.g., an argument to IIf could be a method call which changes some
state), then your equivalent C# code will either have to be
rewritten to avoid reliance on side-effects, or you would have to
resort to including the IIf function in your C# code.
If you need to convert between VB.NET and C#
and you are depending on the results being reliable and accurate,
then you will want to have
Instant
C#,
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VB,
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