public void TextBox1_KeyDown(object sender, KeyEventArgs e)
{
e.Handled = false;
System.Windows.Controls.TextBox textBox = TextBox1;
if (e.Key == Key.Enter)
{
if (!Keyboard.IsKeyDown(Key.LeftShift))
{
textBox.MoveFocus(traversalRequest);
}
else
{
int i = textBox.CaretIndex;
textBox.Text = textBox.Text.Substring(0, i) + "\n" + textBox.Text.Substring(i, textBox.Text.Length - i);
textBox.CaretIndex = i + 1;
}
}
else if (e.Key == Key.Subtract)
{
System.Windows.Controls.TextBox box = (System.Windows.Controls.TextBox)sender;
int caret = box.CaretIndex;
box.Text = box.Text.Insert(box.CaretIndex, "-");
box.CaretIndex = caret + 1;
e.Handled = true;
}
textBox.AppendText(String.Empty);
}
void container_PreviewKeyDown(object sender, KeyEventArgs e)
{
System.Windows.Controls.TextBox tb = e.Source as System.Windows.Controls.TextBox;
if (tb != null)
{
switch (e.Key)
{
case Key.Enter:
tb.MoveFocus(new TraversalRequest(FocusNavigationDirection.Next));
break;
default:
break;
}
}
}
