NameValueCollection.InvalidateCachedArrays Method

Resets the cached arrays of the collection to null.

Namespace:  System.Collections.Specialized
Assembly:  System (in System.dll)

protected void InvalidateCachedArrays()

The arrays returned by AllKeys are cached for better performance and are automatically refreshed when the collection changes. A derived class can invalidate the cached version by calling InvalidateCachedArrays, thereby forcing the arrays to be recreated.

This method is an O(1) operation.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0
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