What will be the output of the following C# code snippet?
{
delegate void A(ref string str);
class sample
{
public static void fun( ref string a)
{
a = a.Substring( 7, a.Length - 7);
}
}
class Program
{
static void Main(string[] args)
{
A str1;
string str = "Test Your C#.net skills";
str1 = sample.fun;
str1(ref str);
Console.WriteLine(str);
}
}
}
{
delegate void A(ref string str);
class sample
{
public static void fun( ref string a)
{
a = a.Substring( 7, a.Length - 7);
}
}
class Program
{
static void Main(string[] args)
{
A str1;
string str = "Test Your C#.net skills";
str1 = sample.fun;
str1(ref str);
Console.WriteLine(str);
}
}
}A. Test Your
B. ur C#.NET
C. ur C#.NET Skills
D. None of the mentioned
Answer: Option C
This Question Belongs to C Sharp Programming >> Delegates And Events In C Sharp
What is the purpose of the GetInvocationList() method associated with delegates in C#?
A. Removes a delegate from the current delegate
B. Adds a new delegate to the current delegate
C. Invokes all the delegates bound to the current delegate
D. Retrieves an array of delegates bound to the current delegate
What is a callback function in the context of delegates and events in C#?
A. A function that is called when an event is raised
B. A function that is called to subscribe to an event
C. A function that is called to unsubscribe from an event
D. A function that is called to handle an event
A. Func
B. Predicate
C. Action
D. EventHandler
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