private void button1_Click(object sender, EventArgs e)
{
ListBox.ObjectCollection list = listBox1.Items;
int n = list.Count;
if (n == 0)
{
return;
}
int broj1 = rand.Next(n);
MessageBox.Show(list[broj1].ToString(), "Izvučen je tim:");
foreach (Control ctr in this.Controls)
{
if (ctr is Label)
{
if (ctr.Name == "label" + (27 - n))
{
ctr.Text = list[broj1].ToString();
}
}
}
list.RemoveAt(broj1);
// label27.Text = list.Count.ToString();
}
private ListBox.ObjectCollection quicksort(ListBox.ObjectCollection list)
{
ListBox.ObjectCollection sorted = new ListBox.ObjectCollection(new ListBox());
sorted.AddRange(list);
if (sorted.Count <= 1)
{
return(sorted);
}
int random = randomNumberGenerator.Next(0, sorted.Count - 1);
string pivot = (string)list[random];
sorted.RemoveAt(random);
ListBox.ObjectCollection lessThan = new ListBox.ObjectCollection(new ListBox());
ListBox.ObjectCollection greaterThan = new ListBox.ObjectCollection(new ListBox());
for (int i = 0; i < sorted.Count; ++i)
{
sortItem(sorted[i], pivot, lessThan, greaterThan);
}
sorted = quicksort(lessThan);
sorted.Add(pivot);
sorted.AddRange(quicksort(greaterThan));
return(sorted);
}
public static ListBox.ObjectCollection TrimTo(this ListBox.ObjectCollection collection, int cnt)
{
int totalcnt = collection.Count;
for (int i = 0; i < totalcnt - cnt; i++)
{
collection.RemoveAt(totalcnt - i - 1);
}
return(collection);
}
private void reverse_btn_Click(object sender, EventArgs e)
{
ListBox lb = GetChildeControl <ListBox>(tc_Person.SelectedTab);
ListBox.ObjectCollection items = lb.Items;
lb.BeginUpdate();
for (int i = 0, j = items.Count - 1; i < j; i++, j--)
{
object tempI = items[i];
object tempJ = items[j];
items.RemoveAt(j);
items.RemoveAt(i);
items.Insert(i, tempJ);
items.Insert(j, tempI);
}
lb.EndUpdate();
}
private void View_OnDeleteFigureButton_Click(object sender, int index)
{
if (index >= 0)
{
_figuresBuffer.RemoveAt(index);
_outFigures.RemoveAt(index);
}
else
{
_view.ShowError(new Exception("Не выделена фигура в списке, не удалось удалить."));
}
}
public string UpdateTicketList(ListBox.ObjectCollection items)
{
int firstTicket = 0;
bool firstTicketFound = false;
int lastTicket = 0;
// Examine the queue to determine which tickets are for the
// current time slot. All tickets for the current time slot
// are removed from the queue and the firstTicket and lastTicket
// fields are set to the first and last ticket numbers.
//
while (ticketQueue.Count >= 1)
{
Ticket ticket = ticketQueue.Peek();
if (ticket.TimeWindow.StartTime < DateTime.Now)
{
ticketQueue.Dequeue();
if (!firstTicketFound)
{
firstTicket = ticket.Number;
firstTicketFound = true;
}
lastTicket = ticket.Number;
items.RemoveAt(0);
}
else
{
break;
}
}
// Return message that indicates which ticket numbers may now enter.
//
if (!firstTicketFound) //No tickets currently served
{
return("");
}
else
{
if (firstTicket == lastTicket) //One ticket currently served
{
return(firstTicket.ToString());
}
else //More than one ticket currently served
{
return(firstTicket.ToString() + " - " + lastTicket.ToString());
}
}
}
public override void RemoveAt(int index)
{
_items.RemoveAt(index);
}
void ToggleBranch(int index)
{
TreeNodeBase node = (TreeNodeBase)Items[index];
if (!node.HasKids)
{
/*node.allkids = treeOwner.FetchKids(TokenObject, node);
* if(node.allkids.Count ==0)
* {
* return;
* }*/
return;
}
int count = Items.Count;
if (node.IsExpanded)
{
index++;
int upTo = index;
TreeNodeBase kid = null;
// eh, hopefully item access is cheap
ListBox.ObjectCollection items = treeListBox.Items;
while (upTo < count && (kid = (TreeNodeBase)items[upTo]).depth > node.depth)
{
kid.IsExpanded = false;
upTo++;
}
int i, nodesInList = items.Count;
int toRemove = upTo - index;
int costOfRemoveAt = toRemove * (1 + nodesInList - upTo);
int costOfRebuilding = 2 * nodesInList + 3 * (nodesInList - (upTo - index));
if (costOfRemoveAt < costOfRebuilding)
{
for (i = upTo; i-- > index;)
{
items.RemoveAt(i);
}
}
else
{
object[] allNodes = new object[nodesInList - toRemove];
for (i = 0; i < index; i++)
{
allNodes[i] = items[i];
}
for (i = upTo; i < nodesInList; i++)
{
allNodes[i - toRemove] = items[i];
}
ReplaceContents(allNodes);
}
node.IsExpanded = false;
}
else
{
AddAfter(index, node);
node.IsExpanded = true;
}
}
private void BtnDeleteSelectedClick(object sender, EventArgs e)
{
collection.RemoveAt(lbx.SelectedIndex);
}
