protected override void OnInitialized(EventArgs e)
{
base.OnInitialized(e);
PositionTextBox.Focus();
Dispatcher.BeginInvoke((Action)PositionTextBox.SelectAll, DispatcherPriority.Loaded);
}
private void PositionTextBox_Validating(object sender, System.ComponentModel.CancelEventArgs e)
{
string namePattern = @"[а-я]";
var positionIsMatch = Regex.IsMatch(PositionTextBox.Text, namePattern);
if (String.IsNullOrEmpty(PositionTextBox.Text))
{
e.Cancel = true;
PositionTextBox.Focus();
ErrorProvider.SetError(PositionTextBox, "Укажите должность");
}
else if (positionIsMatch == false)
{
e.Cancel = true;
PositionTextBox.Focus();
ErrorProvider.SetError(PositionTextBox, "Неверный формат");
}
else
{
e.Cancel = false;
ErrorProvider.SetError(PositionTextBox, null);
}
}