private void YT_TextBox_IsEnabledChanged(object sender, DependencyPropertyChangedEventArgs e)
{
if (!(bool)e.NewValue)
{
BindingExpression binding = GetBindingExpression(TextBox.TextProperty);
binding?.UpdateSource();
RoutedCommand rcmd = DisableCommand as RoutedCommand;
if (rcmd != null)
{
if (rcmd.CanExecute(CommandParameter, CommandTarget))
{
rcmd.Execute(CommandParameter, CommandTarget);
}
}
else
{
if (DisableCommand != null)
{
if (DisableCommand.CanExecute(CommandParameter))
{
DisableCommand.Execute(CommandParameter);
}
}
}
}
}
public void IsExecutable()
{
var command = new DisableCommand(Mock.Of <IViewModel>(), Mock.Of <IBeamgunSettings>());
command.CanExecute(null).ShouldBeTrue();
}