Debug and Trace Output : Debug « Development « C# / CSharp Tutorial

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2. Development
3. Debug

// compile with: csc /r:system.dll file_1.cs
using System;
using System.Diagnostics;

class MyClass
{
    [Conditional("DEBUG")]
    public void VerifyState()
    {
        Debug.Assert(2 == 0, "Bad State");
    }
}

class MainClass
{
    public static void Main()
    {
        Debug.Listeners.Clear();
        Debug.Listeners.Add(new TextWriterTraceListener(Console.Out));
        MyClass c = new MyClass();
        
        c.VerifyState();
        c.VerifyState();
    }
}