C Sharp Programming/Keywords/as

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The as keyword casts an object to a different type. It is therefore similar to the TypeA varA = (TypeA) varB syntax. The difference is that this keyword returns null if the object was of an incompatible type, while the former method throws a type-cast exception in that case.

[edit] See also

• is

C# Keywords
abstract as base bool break byte case catch char checked class const continue decimal default delegate do double else enum event explicit extern false finally fixed float for foreach goto if implicit in int interface internal is lock long namespace new null object operator out override params private protected public readonly ref return sbyte sealed short sizeof stackalloc static string struct switch this throw true try typeof uint ulong unchecked unsafe ushort using var virtual void volatile while
Special C# Identifiers
add alias get global partial remove set value where yield