public static void Examples()
{
// <SnippetExampleCode>
IndexerClass test = new IndexerClass();
System.Random rand = new System.Random();
// Call the indexer to initialize its elements.
for (int i = 0; i < 10; i++)
{
test[i] = rand.Next();
}
for (int i = 0; i < 10; i++)
{
System.Console.WriteLine($"Element #{i} = {test[i]}");
}
/* Sample output:
* Element #0 = 360877544
* Element #1 = 327058047
* Element #2 = 1913480832
* Element #3 = 1519039937
* Element #4 = 601472233
* Element #5 = 323352310
* Element #6 = 1422639981
* Element #7 = 1797892494
* Element #8 = 875761049
* Element #9 = 393083859
*/
// </SnippetExampleCode>
}
public void Indexer()
{
var indexer = new IndexerClass();
indexer[0] = "foo";
AssertEquals(indexer[0], "foo");
}
public static void InterfaceIndexersMain()
{
IIndexers iIndexer = new IndexerClass();
Console.WriteLine(iIndexer[0]);
Console.WriteLine(iIndexer[1]);
Console.WriteLine(iIndexer[2]);
Console.WriteLine(iIndexer[3]);
Console.ReadLine();
}
public static void Main()
{
IndexerClass b = new IndexerClass();
// call the indexer to initialize the elements #3 and #5:
b[3] = 256;
b[5] = 1024;
for (int i=0; i<=10; i++)
{
Console.WriteLine("Element #{0} = {1}", i, b[i]);
}
}
public static void Main()
{
IndexerClass b = new IndexerClass();
// call the indexer to initialize the elements #3 and #5:
b[3] = 256;
b[5] = 1024;
for (int i = 0; i <= 10; i++)
{
Console.WriteLine("Element #{0} = {1}", i, b[i]);
}
}
public void Indexer_Properties_Are_Ignored()
{
var containerManager = new ContainerManager();
var testObject = new IndexerClass();
containerManager.AddObjectToContainer("container", testObject, "obj");
var reference = containerManager.GetInstancesInContainer("container")
.Single(x => x.Name == "obj");
var details = containerManager.GetInstanceDetails(reference.InstanceId);
details.Properties.Length.Should().Be(0);
}
static void Main()
{
IndexerClass test = new IndexerClass();
System.Random rand = new System.Random();
// Call the indexer to initialize its elements.
for (int i = 0; i < 10; i++)
{
test[i] = rand.Next();
}
for (int i = 0; i < 10; i++)
{
System.Console.WriteLine("Element #{0} = {1}", i, test[i]);
}
// Keep the console window open in debug mode.
System.Console.WriteLine("Press any key to exit.");
System.Console.ReadKey();
}
static void Main()
{
IndexerClass test = new IndexerClass();
System.Random rand = new System.Random();
// Call the indexer to initialize its elements.
for (int i = 0; i < 10; i++)
{
test[i] = rand.Next();
}
for (int i = 0; i < 10; i++)
{
System.Console.WriteLine("Element #{0} = {1}", i, test[i]);
}
// Keep the console window open in debug mode.
System.Console.WriteLine("Press any key to exit.");
System.Console.ReadKey();
}
public static void Execute()
{
IndexerClass Team = new IndexerClass();
Team[0] = "Rocky";
Team[1] = "Teena";
Team[2] = "Ana";
Team[3] = "Victoria";
Team[4] = "Yani";
Team[5] = "Mary";
Team[6] = "Gomes";
Team[7] = "Arnold";
Team[8] = "Mike";
Team[9] = "Peter";
for (int i = 0; i < 10; i++)
{
Console.WriteLine(Team[i]);
}
Console.WriteLine("Index positon of Gomes : " + Team["Gomes"]);
}
static void Main()
{
IndexerClass indexer = new IndexerClass();
indexer[1] = 5;
indexer[2] = 2;
indexer[3] = 13;
indexer[4] = 20;
indexer[-2] = -4; // Not in the boundries of the array
int val1 = indexer[1];
int val2 = indexer[2];
int val3 = indexer[3];
int val4 = indexer[4];
int val5 = indexer[-2]; // Not in the boundries of the array
Console.WriteLine(val1);
Console.WriteLine(val2);
Console.WriteLine(val3);
Console.WriteLine(val4);
Console.WriteLine(val5); // Not in the boundries of the array
}
static void Main(string[] args)
{
#region Interface - Property caller
Console.WriteLine();
// Implementing property : Setting value to the property in IF extended class
MyClass objMC = new MyClass();
objMC.Name = "shiva";
Console.WriteLine("Name provided (Interface) : " + objMC.Name);
Console.WriteLine();
IFTest objT = new IFTest();
// Calling SaveData would be ambiguous (since both Interface has same method name). Compiler calls both implementation
string strIsIdatastore = (objT is IDataStore) ? "Yes" : "No";
string strIsISerializabl = (objT is IDataStore) ? "Yes" : "No";
objT.SaveData();
Console.WriteLine("Is IDataStore called : " + strIsIdatastore);
Console.WriteLine("Is ISerializabl called : " + strIsISerializabl);
Console.WriteLine();
// To call a specific member of the interface casting can be done accordingly
((ISerializabl)objT).SaveData();
((IDataStore)objT).SaveData();
Console.WriteLine();
EditBox edit = new EditBox();
edit.SaveData();
Console.WriteLine();
#endregion
#region Abstract class - sum caller
// Abstract class cannot be instantiated
AddClass objAC = new AddClass();
int sum = objAC.Add(2, 3);
Console.WriteLine("Sum of two nos (using Abstract Class) : " + sum);
Console.WriteLine();
#endregion
#region Polymorphism - callign base class/derived class methods
// Polymorphism : Calling base class method
BaseClassPoly objBCP = new BaseClassPoly();
string strWelcomeBase = objBCP.Welcome();
Console.WriteLine(strWelcomeBase);
Console.WriteLine();
// calling derived class & methods
DerivedClassPoly objDCP = new DerivedClassPoly();
string strWel = objDCP.Welcome("shiva");
Console.WriteLine(strWel);
Console.WriteLine(objDCP.DateDetails());
Console.WriteLine(objDCP.Welcome());
Console.WriteLine();
#endregion
#region Indexer - set & get for int & string indexers
// Indexer. setting and getting values
IndexerClass objIC = new IndexerClass();
objIC[1] = 1;
objIC[0] = 0;
objIC[2] = 2;
// This value cannot be assigned as indexer size is only 3 (zero based)
// Inside indexer setter : Value would be assignd as Zero as the index is outside bounds of the array
objIC[4] = 10;
for (int i = 0; i <= 5; i++)
{
Console.WriteLine("Indexer value for objIC[" + i + "] : " + objIC[i]);
}
// Indexer can be overloaded. multiple indexers can co-exist in a class
// below indexer returns String output for the day provided
Console.WriteLine();
string dayCount = objIC["FRI"];
Console.WriteLine("Indexer day count for Friday : " + dayCount);
Console.WriteLine();
#endregion
#region Delegates - sum/sub & multicast
// delegates are references to method
// Create an instance of the class & pass the method as reference to delegate object
DelegateClass objDC = new DelegateClass();
// Method can be passed as reference to delegate in below way also or can be assigned directly.
// AddSubDelegate objAddSubDel = new AddSubDelegate(objDC.Add);
AddSubDelegate objAddSubDel = objDC.Add;
int delsum = objAddSubDel(1, 2);
Console.WriteLine("Delegate := Sum & sub of 1 & 2 : " + delsum);
// Multicast delegates
Console.WriteLine();
objDC = new DelegateClass();
AddSubDelegate objAddSubMultiDel = null;
objAddSubMultiDel = new AddSubDelegate(objDC.Add);
objAddSubMultiDel += new AddSubDelegate(objDC.Sub);
int delSumSub = objAddSubMultiDel(1, 2);
Console.WriteLine("Multicast Delgate : Add & sub of 1,2 methods called: " + delSumSub);
//removing sub method
objAddSubMultiDel -= new AddSubDelegate(objDC.Sub);
Console.WriteLine("Multicast Delgate : removing sub of 1,2 method : " + objAddSubMultiDel(1, 2));
Console.WriteLine();
#endregion
#region Events
// call event class & assign ChangeEvent with the corresponding handler
EventClass objEC = new EventClass();
objEC.ChangeEvent += new MyDelegate(objEC.ChangeEventMethod);
// ChangeEvent is called everytime when the setter is called in EventClass
objEC.Price = 10;
objEC.Price = 20;
Console.WriteLine();
#endregion
#region Value & Reference
ValueAndRefClass objVAR = new ValueAndRefClass();
// Implicit Value types (like int) are always passed by value
int a;
objVAR.DoWork(out a);
Console.WriteLine("Value of A is :" + a);
Console.WriteLine();
int b = 3;
Console.WriteLine("Value of B before REF is :" + b);
objVAR.DoWorkB(ref b);
Console.WriteLine("Value of B after REF is :" + b);
Console.WriteLine();
// Object Types are impicitly passed by reference
int[] nums = { 1, 3, 5 };
objVAR.DoWorkObject(nums);
int count = 0;
foreach (int n in nums)
{
Console.WriteLine("Value of a[{0}] is {1}", count++, n);
}
Console.WriteLine();
#endregion
}
public void Indexer()
{
var indexer = new IndexerClass();
indexer[0] = "foo";
AssertEquals(indexer[0], "foo");
}
