public void TestRemoveCorrect()
{
int elementId = 0;
int countAfterAdd = 1;
int countAfterRemove = 0;
collection.Add(country);
Assert.AreEqual(countAfterAdd, collection.GetCollection().Count);
collection.Remove(elementId);
Assert.AreEqual(countAfterRemove, collection.GetCollection().Count);
}
private void ListCountry_SelectedIndexChanged(object sender, EventArgs e)
{
ListBox listCountry = (ListBox)sender;
int currentIndex = listCountry.SelectedIndex;
DialogResult dialogResult = MessageBox.Show("Удалить " + listCountry.SelectedItem.ToString() + " ?",
"Подтверждение удаления", MessageBoxButtons.YesNo
);
if (dialogResult == DialogResult.Yes)
{
try
{
countryCollection.Remove(currentIndex);
}
catch (ArgumentOutOfRangeException ex)
{
MessageBox.Show(ex.Message);
}
RefreshListCountry();
}
}