/// <summary>
/// Handles changes to the FormatValidationHandler property.
/// </summary>
/// <param name="d">
/// The <see cref="DependencyObject"/> on which
/// the property has changed value.
/// </param>
/// <param name="e">
/// Event data that is issued by any event that
/// tracks changes to the effective value of this property.
/// </param>
private static void OnFormatValidationHandlerChanged(
DependencyObject d, DependencyPropertyChangedEventArgs e)
{
TextBox textBox = d as TextBox;
PasswordBox passwordBox = d as PasswordBox;
if (textBox != null)
{
TextBoxFormatValidationHandler oldFormatValidationHandler = (TextBoxFormatValidationHandler)e.OldValue;
TextBoxFormatValidationHandler newFormatValidationHandler = (TextBoxFormatValidationHandler)textBox.GetValue(FormatValidationHandlerProperty);
if (oldFormatValidationHandler != null)
{
oldFormatValidationHandler.Detach();
}
newFormatValidationHandler.Attach(textBox);
}
else if (passwordBox != null)
{
PasswordBoxFormatValidationHandler oldFormatValidationHandler = (PasswordBoxFormatValidationHandler)e.OldValue;
PasswordBoxFormatValidationHandler newFormatValidationHandler = (PasswordBoxFormatValidationHandler)passwordBox.GetValue(FormatValidationHandlerProperty);
if (oldFormatValidationHandler != null)
{
oldFormatValidationHandler.Detach();
}
newFormatValidationHandler.Attach(passwordBox);
}
}
/// <summary>
/// Handles changes to the FormatValidationHandler property.
/// </summary>
/// <param name="d">
/// The <see cref="DependencyObject"/> on which
/// the property has changed value.
/// </param>
/// <param name="e">
/// Event data that is issued by any event that
/// tracks changes to the effective value of this property.
/// </param>
private static void OnFormatValidationHandlerChanged(
DependencyObject d, DependencyPropertyChangedEventArgs e)
{
TextBoxFormatValidationHandler oldFormatValidationHandler = (TextBoxFormatValidationHandler)e.OldValue;
TextBoxFormatValidationHandler newFormatValidationHandler = (TextBoxFormatValidationHandler)d.GetValue(FormatValidationHandlerProperty);
if (oldFormatValidationHandler != null)
{
oldFormatValidationHandler.Detach();
}
newFormatValidationHandler.Attach((TextBox)d);
}
