private static void onAttachPropertyChanged(
DependencyObject @this,
DPChangedEventArgs <bool> args)
{
var window = @this.AsOrDefault <Window>();
if (window == null)
{
throw new NotSupportedException(
$"The {nameof(AttachProperty).SQuote()} attached property can only be used on the " +
$"type {nameof(Window).SQuote()}.");
}
if (args.NewValue)
{
window
.CommandBindings
.Add(
new CommandBinding(
SystemCommands.CloseWindowCommand,
OnCloseWindow));
window
.CommandBindings
.Add(
new CommandBinding(
SystemCommands.MaximizeWindowCommand,
OnMaximizeWindow,
OnCanResizeWindow));
window
.CommandBindings
.Add(
new CommandBinding(
SystemCommands.MinimizeWindowCommand,
OnMinimizeWindow,
OnCanMinimizeWindow));
window
.CommandBindings
.Add(
new CommandBinding(
SystemCommands.RestoreWindowCommand,
OnRestoreWindow,
OnCanResizeWindow));
}
}
private static void onValidatorChanged(
DependencyObject @this,
DPChangedEventArgs <IStringValidator> args)
{
var frameworkElement = @this.AsOrDefault <FrameworkElement>();
if (frameworkElement == null)
{
throw new ArgumentException(
$"The service \'HintAssist.Validator\' can only be used with elements that inherit " +
$"from the \'FrameworkElement\' type.");
}
var managerService = frameworkElement.GetTextFieldInputVisualStateService();
managerService?.EvaluateValidationState(frameworkElement);
}
private static void onTextFieldInputVisualStateServiceChanged(
DependencyObject @this,
DPChangedEventArgs <TextFieldInputVisualStateService> args)
{
var visualStateManagerService = args.NewValue;
var frameworkInputElement = @this.AsOrDefault <IFrameworkInputElement>();
if (frameworkInputElement == null)
{
throw new ArgumentException(
$"The service \'HintAssist.TextFieldInputVisualStateService\' can only be used " +
$"with elements that implement the \'IFrameworkInputElement\' interface.");
}
visualStateManagerService
.AttachElement(
frameworkInputElement);
}
