“Is” is exactly what I have been looking for. You use it to check the type of an object. For example:
if(a is long)
Gabe Wishnie points out that “is” is much more efficient than:
if( a.GetType() == typeof(long))
“As” is a method of performing a typecast that gives you a null pointer rather than throwing an error if the object is the wrong type.
string a = b as string
Nice.
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