public static class StartsWithExtension<ExtensionAttribute>
Public NotInheritable Class StartsWithExtension[ExtensionAttribute]
public ref class StartsWithExtension abstract sealed[<AbstractClassAttribute>]
[<SealedAttribute>]
[<ExtensionAttribute>]
type StartsWithExtension = class end| StartsWithT(IEnumerableT, IEnumerableT) | Determines whether the beginning of the first sequence is equivalent to the second sequence, using the default equality comparer. | 
| StartsWithT(IEnumerableT, IEnumerableT, IEqualityComparerT) | Determines whether the beginning of the first sequence is equivalent to the second sequence, using the specified element equality comparer. |