public static void SetCommandBinding(CommandBindingCollection commandCollection, ICommand command,
ExecutedRoutedEventHandler executed, CanExecuteRoutedEventHandler canExecute = null)
{
var binding = (canExecute == null)
? new CommandBinding(command, executed)
: new CommandBinding(command, executed, canExecute);
commandCollection.Remove(binding);
commandCollection.Add(binding);
}
private static void CheckCommandBinding(
TextBox textBox, TextCommandFlags textCommandFlags,
IEnumerable<CommandBinding> commandBindings, CommandBindingCollection commandBindingCollection,
RoutedUICommand command, TextCommandFlags commandFlag, TextCommandType commandType)
{
var commandBinding = commandBindings.FirstOrDefault(cb => cb.Command == command);
if (textCommandFlags.HasFlag(commandFlag) && commandBinding == null)
{
commandBindingCollection.Add(TextCommandBindings.CreateCommandBinding(textBox, commandType));
}
else if (!textCommandFlags.HasFlag(commandFlag) && commandBinding != null)
{
commandBindingCollection.Remove(commandBinding);
}
}
