/// <summary>
/// Like FocusNextCompletion but focuses the previous completion.
/// </summary>
/// <param name="stackPanel"></param>
public static void FocusPreviousCompletion(StackPanel stackPanel, TextBox textBox)
{
for (int i = 0; i < stackPanel.Children.Count; i++)
{
TextBlock child = (stackPanel.Children[i] as TextBlock);
if (child.IsFocused && stackPanel.Children.Count > 1 && i - 1 > -1)
{
AutoCompleteResult toFocus = (stackPanel.Children[i] as AutoCompleteResult);
AutoCompleteResult takeTextFrom = (stackPanel.Children[i - 1] as AutoCompleteResult);
toFocus.Focus();
textBox.Text = (takeTextFrom.Text);
return;
}
}
}
/// <summary>
/// Focuses the completion below the current completion, or the first completion if none is selected.
/// </summary>
/// <param name="stackPanel">The StackPanel holding the autocompletions</param>
/// <param name="textBox">The destination text box that the autocomplete will complete.</param>
public static void FocusNextCompletion(StackPanel stackPanel, TextBox textBox)
{
for (int i = 0; i < stackPanel.Children.Count; i++)
{
AutoCompleteResult child = (stackPanel.Children[i] as AutoCompleteResult);
if (child.IsFocused && stackPanel.Children.Count > 1 && i + 1 < stackPanel.Children.Count)
{
textBox.Text = (stackPanel.Children[i + 1] as AutoCompleteResult).Text;
return;
}
}
if (stackPanel.Children.Count > 0)
{
AutoCompleteResult destination = stackPanel.Children[0] as AutoCompleteResult;
destination.Focus();
textBox.Text = destination.Text;
}
}
