vb.net - What is the definition of ":=" in vb -

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I've come across some sample code in VBnet, on which I have some experience and one Duh moment : = .

NavigationImages (boolean, int) is this refresh navigation image Is a default value if zero? As "BI is something wrong"?

Bing / Google tried, but they do not like to search operators, especially if there are only 2 characters.

These are they assign values ​​to logic in function calls instead of order.


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