using System;

void ThrowIfTrue(bool param) {
    try {
        if (param) {
            throw new Exception("test exception");
        }
    }
    catch{
        Console.WriteLine("catch");
    }
    finally {
        Console.WriteLine("finally");
    }
}

ThrowIfTrue(true);
//printed: "catch" and "finally"
ThrowIfTrue(false);
//printed only "finally"

Console.ReadLine();