public static void InsertItems <TKey, TValue>(
this KeyedCollection <TKey, TValue> collection,
Func <TValue> generateItem,
Func <TValue, TKey> getKey,
int numItems,
out TKey[] keys,
out TValue[] items,
out TValue[] itemsWithKeys)
{
items = new TValue[numItems];
keys = new TKey[numItems];
itemsWithKeys = new TValue[numItems];
var keyIndex = 0;
for (var i = 0; i < numItems; ++i)
{
TValue item = generateItem();
TKey key = getKey(item);
collection.Insert(collection.Count, item);
items[i] = item;
if (null != key)
{
keys[keyIndex] = key;
itemsWithKeys[keyIndex] = item;
++keyIndex;
}
}
keys = keys.Slice(0, keyIndex);
itemsWithKeys = itemsWithKeys.Slice(0, keyIndex);
}
public void Insert(int index, string key, WizardPanel item)
{
m_Panels.Insert(index, key, item);
if (InsertPanel != null)
{
InsertPanel(item, index);
}
}