int[] A = { 1, 2, 3 };
int[] B = A;
B[1] = 69;
Console.WriteLine(A[1]);

The above code would give an output of 69. As you can see, changes made to the elements of array B are applied to those of array A.

To do a copy by value you need to iterate through each of the Array elements in the source array and assign the value to the corresponding index in the destination array.

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int[] A = { 1, 2, 3 };
 
// Set the Size of Array B to be the same as that of Array A.
int[] B = new int[A.Length];
for (int I = 0; I < A.Length; I++)
{
    B[I] = A[I];
}

There is a much simpler way to do this using the static method Copy of the Abstract class Array.

int[] A = { 1, 2, 3 };
 
// Set the Size of Array B to be the same as that of Array A.
int[] B = new int[Arr.Length];
Array.Copy(A, 0, B, 0, Arr.Length);

The Copy method is overloaded into 4 forms with two variations:-

Array.Copy(int[] SourceArray, int[] DestinationArray, int NumberOfElementsToCopy);
Array.Copy(int[] SourceArray, int SourceIndexToStartCopyFrom,
int[] DestinationArray, int DestinationIndextToStartCopyFrom, int NumberOfElementsToCopy);

The remaining two forms are the long counterparts of these two.

Example Code:-

Console.WriteLine("Please enter a number");
int Num = Convert.ToInt32(Console.ReadLine());

A StackFrame is created and pushed on the call stack for every function call made during the execution of a thread. The stack frame always includes MethodBase information, and optionally includes file name, line number, and column number information.

Source: MSDN

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System.Diagnostics.StackFrame sf = new System.Diagnostics.StackFrame();
System.Reflection.MethodBase mb = sf.GetMethod();
Console.WriteLine(mb.Name);

This code can be used to get the name of the current class.

string ClassName = this.GetType().Name;

Note: This code can only be called inside a non-static method/function. This is because a static method cannot put into use the instance retriever – this keyword.

for

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for (int I = 0; I < 10; I++)
{
    if (I % 2 == 0)
    {
        continue;
    }
    Console.WriteLine(I);
}

foreach

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int[] Numbers = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
foreach (int Number in Numbers)
{
    if (Number % 2 == 0)
    {
        continue;
    }
    Console.WriteLine(Number);
}

while/do while

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string Name = "";
do
{
    Console.Write("Enter a Name:");
    Name = Console.ReadLine();
    if (Name == "Parastratiosphecomyia stratiosphecomyioides")
    {
        // The animal with the longest Scientific Name???
        continue;
    }
    if(Name != "")
        Console.WriteLine("{0} is a good name", Name);
 
} while (Name != "");