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Skip Navigation LinksHome»Documentation»Reference»Extreme.DataAnalysis.Linq»LinqExtensions.DataFrameLookup(TKey, R, C) Class»Methods»Contains Method

LinqExtensionsDataFrameLookupTKey, R, CContains Method

Extreme Optimization Numerical Libraries for .NET Professional
Determines whether a specific key exists in the lookup.

Namespace:  Extreme.DataAnalysis.Linq
Assembly:  Extreme.Numerics (in Extreme.Numerics.dll) Version: 8.1.1
Syntax
C#
VB
C++
F#
Copy
public bool Contains(
	TKey key
)
Public Function Contains ( 
	key As TKey
) As Boolean
public:
bool Contains(
	TKey key
)
member Contains : 
        key : 'TKey -> bool

Parameters

key
Type: TKey

Return Value

Type: Boolean
See Also

Reference

LinqExtensionsDataFrameLookupTKey, R, C Class
Extreme.DataAnalysis.Linq Namespace

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