Этот класс я для себя писал, можешь взять..)
Реализация полностью в коде, настраиваются 3 свойства: NormalStateImage, HoverStateImage, PressedStateImage. Передаётся uri картинки.
| Код |
public class ImageButton : Button
{
#region Fields
private event EventHandler<MouseButtonEventArgs> MouseDown;
private event EventHandler<MouseButtonEventArgs> MouseUp;
private Image _contentImage;
private readonly Dictionary<string, BitmapImage> _stateBitmaps = new Dictionary<string, BitmapImage>();
#endregion
#region Dependency properties
public string NormalStateImage
{
get { return (string)GetValue(NormalStateImageProperty); }
set
{
SetValue(NormalStateImageProperty, value);
SetImage(value);
}
}
public static readonly DependencyProperty NormalStateImageProperty =
DependencyProperty.Register("NormalStateImage", typeof(string), typeof(ImageButton), new PropertyMetadata(null));
public string HoverStateImage
{
get { return (string)GetValue(HoverStateImageProperty); }
set { SetValue(HoverStateImageProperty, value); }
}
public static readonly DependencyProperty HoverStateImageProperty =
DependencyProperty.Register("HoverStateImage", typeof(string), typeof(ImageButton), new PropertyMetadata(null));
public string PressedStateImage
{
get { return (string)GetValue(PressedStateImageProperty); }
set { SetValue(PressedStateImageProperty, value); }
}
public static readonly DependencyProperty PressedStateImageProperty =
DependencyProperty.Register("PressedStateImage", typeof(string), typeof(ImageButton), new PropertyMetadata(null));
#endregion
#region Ctor
public ImageButton()
{
_contentImage = new Image();
Content = _contentImage;
Padding = new Thickness(0);
BorderThickness = new Thickness(0);
MouseDown += new EventHandler<MouseButtonEventArgs>(ButtonExt_MouseDown);
MouseUp += new EventHandler<MouseButtonEventArgs>(ButtonExt_MouseUp);
MouseEnter += new MouseEventHandler(ButtonExt_MouseEnter);
MouseLeave += new MouseEventHandler(ButtonExt_MouseLeave);
}
#endregion
#region Image states
void ButtonExt_MouseLeave(object sender, MouseEventArgs e)
{
SetImage(NormalStateImage);
}
void ButtonExt_MouseEnter(object sender, MouseEventArgs e)
{
SetImage(HoverStateImage);
}
void ButtonExt_MouseUp(object sender, MouseButtonEventArgs e)
{
SetImage(HoverStateImage);
}
void ButtonExt_MouseDown(object sender, MouseButtonEventArgs e)
{
SetImage(PressedStateImage);
}
private void SetImage(string uri)
{
if (string.IsNullOrEmpty(uri))
{
return;
}
if (!_stateBitmaps.ContainsKey(uri))
{
_stateBitmaps[uri] = new BitmapImage(new Uri(uri, UriKind.RelativeOrAbsolute));
}
_contentImage.Source = _stateBitmaps[uri];
}
#endregion
#region Base overrides
protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
{
base.OnMouseLeftButtonDown(e);
var handler = MouseDown;
if (handler != null)
{
handler(this, e);
}
}
protected override void OnMouseLeftButtonUp(MouseButtonEventArgs e)
{
base.OnMouseLeftButtonUp(e);
var handler = MouseUp;
if (handler != null)
{
handler(this, e);
}
}
protected override void OnGotFocus(RoutedEventArgs e)
{
// do nothing in order to disable button focus
}
#endregion
}
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