private static void Text_Changed(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
AutoCompleteBox autoCompleteBox = (AutoCompleteBox)d;
// Remember the "SearchText":
if (autoCompleteBox._textBox != null)
{
autoCompleteBox._searchText = autoCompleteBox._textBox.Text ?? "";
}
else
{
autoCompleteBox._searchText = "";
}
// Raise the "OnTextChanged" user event:
autoCompleteBox.OnTextChanged(new RoutedEventArgs());
// Open or close the popup:
if (autoCompleteBox.MinimumPrefixLength <= autoCompleteBox.Text.Length)
{
//----------------------------------
// ENOUGH LENGTH
//----------------------------------
if (autoCompleteBox.MinimumPopulateDelay != 0)
{
//----------------------------------
// TICK EVENT BECAUSE THERE IS A DELAY SET
//----------------------------------
autoCompleteBox._timer.Stop();
autoCompleteBox._timer.Start();
}
else
{
//----------------------------------
// NO TICK EVENT BECAUSE DELAY IS 0
//----------------------------------
autoCompleteBox._timer.Stop();
// We update the panel, with the new text by opening the popup:
autoCompleteBox.IsDropDownOpen = true;
}
}
else
{
//----------------------------------
// NOT ENOUGH LENGTH
//----------------------------------
autoCompleteBox.IsDropDownOpen = false;
}
}
private static void OnTextChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
AutoCompleteBox autoCompleteBox = (AutoCompleteBox)d;
autoCompleteBox.OnTextChanged(new RoutedEventArgs());
}
