BigInteger.LessThanOrEqual Operator (UInt64, BigInteger)
Returns a value that indicates whether a 64-bit unsigned integer is less than or equal to a BigInteger value.
This API is not CLS-compliant. Namespace: System.Numerics
Assembly: System.Numerics (in System.Numerics.dll)
Languages that do not support custom operators can call the BigInteger.CompareTo(UInt64) method instead. They can also call the method directly, as the following example shows.
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.