static public int menu()
{
Queue <string> myQueue = new Queue <string>();
System.Diagnostics.Stopwatch stopwatch = new System.Diagnostics.Stopwatch();
int iSelect = 3; //random number to get in the while loop
while (iSelect != 7)
{
displayMenu();
ErrorHandling check = new ErrorHandling();
iSelect = check.Input("Menu Selector: ", 7);
#region addOne
if (iSelect == 1)
{
Console.Write("\nEnter a string: ");
string sEntry;
try
{
sEntry = Console.ReadLine();
if (sEntry != "")
{
myQueue.Enqueue(sEntry);
//Display status
Console.WriteLine("\n\"" + myQueue.Peek() + "\" has been added to stack.");
}
else
{
throw new InvalidOperationException("No input detected");
}
}
catch
{
Console.WriteLine("\nERROR: No input or invalid input detected. Please enter valid input.");
}
}
#endregion
#region addList
else if (iSelect == 2)
{
//Cycle through and input 2000 new entries
myQueue.Clear();
for (int iCount = 1; iCount <= 2000; iCount++)
{
myQueue.Enqueue("New Entry " + iCount);
}
}
#endregion
#region Display
else if (iSelect == 3)
{
foreach (String s in myQueue)
{
Console.WriteLine(s);
}
}
#endregion
#region Delete
else if (iSelect == 4)
{
int iDelete = 0;
Console.WriteLine("\nWhich entry do you want to delete?");
try
{
iDelete = Convert.ToInt32(Console.ReadLine());
}
//Catch invalid inputs
catch
{
Console.WriteLine("\nERROR: Selection invalid or does not exist. Please input valid selection.");
}
//find and delete selected entry
int iNum = myQueue.Count;
Queue <string> myQueue2 = new Queue <string>();
for (int iCount2 = 0; iCount2 < iNum; iCount2++)
{
if (iCount2 == iDelete - 1)
{
myQueue.Dequeue();
}
else
{
myQueue2.Enqueue(myQueue.Dequeue());
}
}
myQueue = myQueue2; //restore queue without condemned entry
}
#endregion
else if (iSelect == 5)
{
myQueue.Clear();
Console.WriteLine("\nQueue has been cleared");
}
else if (iSelect == 6)
{
Console.WriteLine("\nWhat entry do you want to search for?");
string sSearch = Console.ReadLine();
stopwatch.Start();
/*for (int iCount2 = 0; iCount2 < iSearch; iCount2++)
* {
* myQueue.Peek();
* if (iCount2 == iSearch)
* {
* Console.WriteLine(myQueue.Peek());
* }
* }
* */
if (myQueue.Contains(sSearch))
{
Console.WriteLine("\nItem found!");
stopwatch.Stop();
Console.WriteLine("\nTime elapsed: {0}", stopwatch.Elapsed);
}
else
{
Console.WriteLine("\nItem not found.");
stopwatch.Stop();
Console.WriteLine("\nTime elapsed: {0}", stopwatch.Elapsed);
}
}
else if (iSelect == 7)
{
return(0);
}//Return to main Menu
}
return(0);
}
