static void Main()
{
StringCollection scol = new StringCollection();
scol.Add("Tiger");
scol.Add("Lion");
scol.Add("Cheetah");
scol.Add("Panther");
scol.Add("Lynx");
Console.WriteLine("Printing the Elements");
foreach (var item in scol)
{
Console.WriteLine(item);
}
Console.WriteLine("****************************************");
Console.WriteLine("Printing Elements using the GetEnumerator Method");
StringEnumerator se = scol.GetEnumerator();
while (se.MoveNext())
{
Console.WriteLine(se.Current);
}
se.Reset();
}
public static void GetEnumerator_ModifiedCollectionTest(StringCollection collection, string[] data)
{
StringEnumerator enumerator = collection.GetEnumerator();
Assert.NotNull(enumerator);
if (data.Length > 0)
{
Assert.True(enumerator.MoveNext());
string current = enumerator.Current;
Assert.Equal(data[0], current);
collection.RemoveAt(0);
if (data.Length > 1 && data[0] != data[1])
{
Assert.NotEqual(current, collection[0]);
}
Assert.Equal(current, enumerator.Current);
Assert.Throws <InvalidOperationException>(() => enumerator.MoveNext());
Assert.Throws <InvalidOperationException>(() => enumerator.Reset());
}
else
{
collection.Add("newValue");
Assert.Throws <InvalidOperationException>(() => enumerator.MoveNext());
}
}
static void Main()
{
StringCollection mySEnum = new StringCollection();
mySEnum.Add("This");
mySEnum.Add("is");
mySEnum.Add("String");
mySEnum.Add("Enumerator");
mySEnum.Add("Demo");
// Enumerates the elements in the StringCollection.
StringEnumerator myEnumerator = mySEnum.GetEnumerator();
while (myEnumerator.MoveNext())
{
Console.WriteLine("{0}", myEnumerator.Current);
}
Console.WriteLine();
//// Resets the enumerator and displays the first element again.
myEnumerator.Reset();
if (myEnumerator.MoveNext())
{
Console.WriteLine("The first element is {0}.", myEnumerator.Current);
}
}
public static void GetEnumeratorTest(StringCollection collection, string[] data)
{
bool repeat = true;
StringEnumerator enumerator = collection.GetEnumerator();
Assert.NotNull(enumerator);
while (repeat)
{
Assert.Throws <InvalidOperationException>(() => enumerator.Current);
foreach (string element in data)
{
Assert.True(enumerator.MoveNext());
Assert.Equal(element, enumerator.Current);
Assert.Equal(element, enumerator.Current);
}
Assert.False(enumerator.MoveNext());
Assert.Throws <InvalidOperationException>(() => enumerator.Current);
Assert.False(enumerator.MoveNext());
enumerator.Reset();
enumerator.Reset();
repeat = false;
}
}
static void Main()
{
StringCollection sc = new StringCollection();
sc.Add("red");
sc.Add("blue");
sc.Add("green");
sc.Add("yellow");
sc.Add("brown");
StringEnumerator en = sc.GetEnumerator();
Console.WriteLine("---move next method---");
while (en.MoveNext())
{
Console.WriteLine(en.Current);
}
en.Reset();
}
static void Main(string[] args)
{
StringCollection str = new StringCollection();
str.Add("1");
str.Add("2");
str.Add("3");
str.Add("4");
str.Add("5");
foreach (var i in str)
{
Console.WriteLine(i);
}
Console.WriteLine("enumerating elements .....");
StringEnumerator stre = str.GetEnumerator();
while (stre.MoveNext())
{
Console.WriteLine("{0}", stre.Current);
}
Console.WriteLine("resetting the enumerator...");
stre.Reset();
if (stre.MoveNext())
{
Console.WriteLine("The first element is {0}.", stre.Current);
}
Console.WriteLine("finding the type of elements in the collection.....");
var k = stre.GetType();
Console.WriteLine(k);
Console.WriteLine("finding whether the specified element is equal to all elements in collection...");
var l = stre.Equals("1");
Console.WriteLine(l);
Console.WriteLine("gets the hashcode of the elements...");
var m = stre.GetHashCode();
Console.WriteLine(m);
Console.Read();
}
static void Main(string[] args)
{
//Creates and initializes a StringCollection.
StringCollection myCol = new StringCollection();
String[] myArr = new string[] { "red", "orange", "yellow", "green", "blue", "indigo", "violet" };
myCol.AddRange(myArr);
//Enumerates the elements in the StringCollection.
StringEnumerator myEnumerator = myCol.GetEnumerator();
while (myEnumerator.MoveNext())
{
Console.WriteLine("{0}", myEnumerator.Current);
}
Console.WriteLine();
//Resets the enumerator and displays the first element again.
myEnumerator.Reset();
if (myEnumerator.MoveNext())
{
Console.WriteLine("The first element is {0}.", myEnumerator.Current);
}
}
/// <summary>
/// Resets the enumeration.
/// </summary>
public void Reset()
{
m_senEnumerator.Reset();
}
public void Reset()
{
_stringEnumerator.Reset();
}
public void Reset()
{
_str.Reset();
}
public void Reset() => stringEnumerator.Reset();
