private void PhysicianComboBox_OnPreviewKeyUp(object sender, KeyEventArgs e)
{
if (e.Key == Key.Back || e.Key == Key.Space)
{
PhysicianComboBox.IsDropDownOpen = true;
var be = PhysicianComboBox.GetBindingExpression(ComboBox.TextProperty);
be.UpdateSource();
}
if (e.Key == Key.Up && PhysicianComboBox.IsDropDownOpen)
{
if (PhysicianComboBox.SelectedIndex != -1)
{
PhysicianComboBox.SelectedIndex = PhysicianComboBox.SelectedIndex - 1;
if (PhysicianComboBox.SelectedIndex == -1)
{
var be = PhysicianComboBox.GetBindingExpression(ComboBox.TextProperty);
be.UpdateSource();
}
}
}
if (e.Key == Key.Down && PhysicianComboBox.IsDropDownOpen)
{
if (PhysicianComboBox.SelectedIndex < PhysicianComboBox.Items.Count)
{
PhysicianComboBox.SelectedIndex = PhysicianComboBox.SelectedIndex + 1;
}
}
}
private void PhysicianComboBox_OnTextInput(object sender, TextCompositionEventArgs textCompositionEventArgs)
{
PhysicianComboBox.IsDropDownOpen = true;
var be = PhysicianComboBox.GetBindingExpression(ComboBox.TextProperty);
be.UpdateSource();
}
