Switch<T> Class

Each case in the Cases dictionary consists of a value (serving as the key for the dictionary) and an activity (serving as the value for the dictionary). The Expression() is evaluated and compared against the keys in the Cases dictionary. If a match is found, the corresponding activity is executed. Every key in the Cases dictionary must be unique according to the dictionary’s equality comparer.

The following code sample demonstrates creating a Switch<T> activity. This example is from the Using Procedural Activities sample.

// check if the number is ok...
new Switch<int>()
{
    DisplayName = "Verify Value from User",
    Expression = ExpressionServices.Convert<int>( env => numberFromUser.Get(env).CompareTo(numberToGuess.Get(env)) ),
    Cases = 
    {
        { 0, new Assign<bool>()
            {
                To = new OutArgument<bool>(finished),
                Value = true
            }
        },
        {  1, new WriteLine() { Text = "    Try a lower number number..." } }, 
        { -1, new WriteLine() { Text = "    Try a higher number" } }
    }
}

.NET Framework

.NET Framework Client Profile

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference