public override void OnApplyTemplate()
{
base.OnApplyTemplate();
DependencyObject child = VisualTreeHelper.GetChild(this, 0);
this.TextField = LogicalTreeHelper.FindLogicalNode(child, "PART_ContentHost") as OverlayTextBox;
this.ClearButton = LogicalTreeHelper.FindLogicalNode(child, "ClearSearchButton") as Button;
if (this.FocusOnLoaded && !this.focusedAfterLoaded)
{
UIThreadDispatcher.Instance.BeginInvoke <bool>(DispatcherPriority.Loaded, () => this.TextField.Focus());
}
}
public static void OnTextChangedCallback(object sender, DependencyPropertyChangedEventArgs args)
{
OverlayTextBox overlayTextBox = sender as OverlayTextBox;
if (overlayTextBox != null)
{
bool flag = !string.IsNullOrEmpty(overlayTextBox.Text);
if (flag != overlayTextBox.HasText)
{
overlayTextBox.SetValue(OverlayTextBox.HasTextPropertyKey, flag);
}
}
}
