private void UserValueValidating(object sender, CancelEventArgs e)
{
TextBox userValue = sender as TextBox;
if (userValue == null)
{
return;
}
IConfigurationItem configurationItem = userValue.Tag as IConfigurationItem;
if (configurationItem != null)
{
if (!configurationItem.IsValidUserInput(userValue.Text))
{
userValue.BackColor = Color.Red;
e.Cancel = true;
}
else
{
userValue.BackColor = new TextBox().BackColor;
}
}
}