/// <summary>
/// Called when the behavior is being detached from its AssociatedObject, but before it has actually occurred.
/// </summary>
/// <remarks>
/// Override this to unhook functionality from the AssociatedObject.
/// </remarks>
protected override void OnDetaching()
{
DebugWriterHelper.WriterLine("OnDetaching");
base.OnDetaching();
AssociatedObject.GotFocus -= OnGotFocus;
AssociatedObject.LostFocus -= OnLostFocus;
}
/// <summary>
/// Called after the behavior is attached to an AssociatedObject.
/// </summary>
/// <remarks>
/// Override this to hook up functionality to the AssociatedObject.
/// </remarks>
protected override void OnAttached()
{
DebugWriterHelper.WriterLine("OnAttached");
base.OnAttached();
AssociatedObject.GotFocus += OnGotFocus;
AssociatedObject.LostFocus += OnLostFocus;
OnLostFocus(null, null);
}
private static void WaterMarkTextCallback(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs dependencyPropertyChangedEventArgs)
{
DebugWriterHelper.WriterLine("WaterMarkTextCallback");
var textBox = (TextBox) dependencyObject;
if (!textBox.IsLoaded)
{
textBox.GotFocus += TextBoxOnGotFocus;
textBox.LostFocus += TextBoxOnLostFocus;
textBox.TextChanged += TextBoxOnTextChanged;
textBox.Unloaded += TextBoxOnUnloaded;
}
}
private void BehaviorTextBox_OnUnloaded(object sender, RoutedEventArgs e)
{
DebugWriterHelper.WriterLine("BehaviorTextBox_OnUnloaded");
}
private void BehaviorTextBox_OnInitialized(object sender, EventArgs e)
{
DebugWriterHelper.WriterLine("BehaviorTextBox_OnInitialized");
}
private void AttachPropertyTextBox_OnUnloaded(object sender, RoutedEventArgs e)
{
DebugWriterHelper.WriterLine("AttachPropertyTextBox_OnUnloaded");
}
private void AttachPropertyTextBox_OnInitialized(object sender, EventArgs e)
{
DebugWriterHelper.WriterLine("AttachPropertyTextBox_OnInitialized");
}