null arguments

Question

In VB you can pass Nothing to arguments when you are not interested in the return value e.g.: MySub(intNumber Nothing Nothing) Is there an equivalent in C#? The following does not compile: MySub(intNumber null null); Cheers Alex.

Amit Mishra · Answer

it won't work if the 3rd and 4th params are value types

david 0 · Answer

Actually try the following object oNull = null; SomeFunc(param param oNull oNull)

Amit Mishra · Answer

If the parameter is a nullable type (i.e. any object) then you can pass in a null but if it is a value type (e.g. int bool DateTime etc) then passing in a null will give compiler error. In that case pass in the default values for the value types - for int its 0 for DateTime its DateTime.MinValue (which evaluates to 1/1/1) and for boolean its true (although not too sure on that one but its easy to check)