ObjectExtensionsIn(Object, Object) Method

Gets whether item is among the elements of set.
See the Examples section of the generic InT(T, T) overload for an example.


Namespace: KGySoft.CoreLibraries
Assembly: KGySoft.CoreLibraries (in KGySoft.CoreLibraries.dll) Version: 8.2.0
public static bool In(
	this Object? item,
	params Object[] set


item  Object
The item to search for in set.
set  Object
The set of items in which to search the specified item.

Return Value

if item is among the elements of set; otherwise, .

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type Object. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).


This method works similarly to the in operator in SQL and Pascal.

This overload uses Object.Equals method to compare the items.

See Also