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Visual Basic 2015 Unleashed
book

Visual Basic 2015 Unleashed

by Alessandro Del Sole
July 2015
Intermediate to advanced content levelIntermediate to advanced
1300 pages
87h 27m
English
Sams
Content preview from Visual Basic 2015 Unleashed

The IConvertible Interface

Objects implementing the IConvertible interface expose a series of ToXXX methods exactly as the Convert class does so that such objects can easily be converted into another type. This example uses a structure instead of a class, for the sake of simplicity. Listing 13.4 shows how the IConvertible interface can be implemented.

LISTING 13.4 Implementing the IConvertible Interface

Public Structure ThreePoint    Implements IConvertible    Public Function GetTypeCode() As System.TypeCode Implements _        System.IConvertible.GetTypeCode        Return TypeCode.Object    End Function    'Just a custom return value    Public Function ToBoolean(provider As System.IFormatProvider) _        As Boolean ...

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Publisher Resources

ISBN: 9780134196664Purchase book