private void New_Click(object sender, RoutedEventArgs e)
{
NewGroupWindowInstance = NewGroupWindowInstance ?? new NewGroupWindow();
NewGroupWindowInstance.Owner = this;
NewGroupWindowInstance.Add.Click -= NewGroupWindowInstance.Done_Click;
NewGroupWindowInstance.Add.Click += NewGroupWindowInstance.Add_Click;
NewGroupWindowInstance.Show();
}
private void ContextMenuEditButton_Click(object sender, RoutedEventArgs e)
{
if (GroupsList.SelectedItem != null & GroupsList.SelectedItems.Count == 1)
{
NewGroupWindowInstance.Add.Click -= NewGroupWindowInstance.Add_Click;
NewGroupWindowInstance.Add.Click += NewGroupWindowInstance.Done_Click;
NewGroupWindowInstance.Add.Content = "DONE";
var currentElement = GroupsList.SelectedItem as SchoolGroup;
NewGroupWindowInstance.NameTextBox.Text = currentElement.Name;
NewGroupWindowInstance.StudentsQuantityTextBox.Text = currentElement.StudentQuantity.ToString();
NewGroupWindowInstance.Show();
}
else
{
MessageBox.Show("Choose one group");
}
}
