Petzold.SetSpaceProperty.SpaceButton.SpaceButton C# (CSharp) Méthode

        static SpaceButton()
        {
            FrameworkPropertyMetadata metadata = new FrameworkPropertyMetadata();
            metadata.DefaultValue = 1;
            metadata.AffectsMeasure = true;
            metadata.Inherits = true;
            metadata.PropertyChangedCallback += OnSpacePropertyChanged;

            SpaceProperty = DependencyProperty.Register("Space", typeof(int), typeof(SpaceButton), metadata, ValidateSpaceValue);
        }