BoolTryCast Method

Tries to cast the object specified in the value parameter to a Boolean.

Definition

Namespace: Firefly.Box
Assembly: Firefly.Box (in Firefly.Box.dll) Version: debug-master-v:33791
C#
public static bool TryCast(
	Object value,
	out Bool result
)

Parameters

value  Object
The Object to cast to Boolean
result  Bool
The Boolean field to update with the result

Return Value

Boolean
The method returns true if successful, otherwise return false.

Example

This example demonstrates the deferent aspects of casting
This example is in the form of Unit Tests. It references the NUnit framework. This framework can be downloaded from www.NUnit.org. For more information about unit testing visit: www.NUnit.org.
C#
using System;
using System.Collections.Generic;
using System.Text;
using NUnit.Framework;
using Firefly.Box;
using Firefly.Box.Testing;


namespace TestFirefly.Box.Documentation
{
    [TestFixture]
    public class Cast
    {
        [Test]
        public void CastSuccess()
        {
            object o = 5;
            Number n = Number.Cast(o);
            n.ShouldBe(5);
        }
        [Test]
        [ExpectedException(typeof(InvalidCastException))]
        public void CastFail()
        {
            object o = "5";
            Number n = Number.Cast(o);
        }
        [Test]
        public void TryCastSuccess()
        {
            object o = 5;
            Number n;
            if (Number.TryCast(o, out n))
                n.ShouldBe(5);
            else
                Assert.Fail();
        }
        [Test]
        public void TryCastFail()
        {
            object o = "5";
            Number n;
            if (Number.TryCast(o, out n))
                Assert.Fail();
        }
    }
}

See Also