#region 属性
/// <summary>
/// 按钮处于正常状态下的背景图片的路径
/// </summary>
public string NormalBackgroundImage
{get { return ( string ) GetValue ( NormalBackgroundImageProperty ); }set { SetValue ( NormalBackgroundImageProperty, value ); }
}/// <summary>
/// 鼠标移到按钮上面，按钮的背景图片的路径
/// </summary>
public string MouseoverBackgroundImage
{get { return ( string ) GetValue ( MouseoverBackgroundImageProperty ); }set { SetValue ( MouseoverBackgroundImageProperty, value ); }
}/// <summary>
/// 鼠标按下按钮，按钮的背景图片的路径
/// </summary>
public string MousedownBackgroundImage
{get { return ( string ) GetValue ( MousedownBackgroundImageProperty ); }set { SetValue ( MousedownBackgroundImageProperty, value ); }
}/// <summary>
/// 当按钮不可用时按钮的背景图片
/// </summary>
public string DisabledBackgroundImage
{get { return ( string ) GetValue ( DisabledBackgroundImageProperty ); }set { SetValue ( DisabledBackgroundImageProperty, value ); }
}
#endregion#region 依赖属性
/// <summary>
/// 按钮处于正常状态下的背景图片的路径（这是依赖属性）
/// </summary>
public static readonly DependencyProperty NormalBackgroundImageProperty =DependencyProperty.Register ( "NormalBackgroundImage", typeof ( string ), typeof ( ImageButton ), new PropertyMetadata ( null ) );/// <summary>
/// 鼠标移到按钮上面，按钮的背景图片的路径（这是依赖属性）
/// </summary>
public static readonly DependencyProperty MouseoverBackgroundImageProperty =DependencyProperty.Register ( "MouseoverBackgroundImage", typeof ( string ), typeof ( ImageButton ), new PropertyMetadata ( null ) );/// <summary>
/// 鼠标按下按钮，按钮的背景图片的路径（这是依赖属性）
/// </summary>
public static readonly DependencyProperty MousedownBackgroundImageProperty =DependencyProperty.Register ( "MousedownBackgroundImage", typeof ( string ), typeof ( ImageButton ), new PropertyMetadata ( null ) );/// <summary>
/// 当按钮不可用时按钮的背景图片（这是一个依赖属性）
/// </summary>
public static readonly DependencyProperty DisabledBackgroundImageProperty =DependencyProperty.Register ( "DisabledBackgroundImage", typeof ( string ), typeof ( ImageButton ), new PropertyMetadata ( null ) );
#endregion

<Style x:Key="ImageButtonStyle" TargetType="{x:Type local:ImageButton}"><Setter Property="Template"><Setter.Value><ControlTemplate TargetType="{x:Type local:ImageButton}"><Border x:Name="buttonBorder"><Border.Background><ImageBrush ImageSource="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=NormalBackgroundImage}"/></Border.Background><ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/></Border><ControlTemplate.Triggers><Trigger Property="IsMouseOver" Value="True"><Setter Property="Background" TargetName="buttonBorder"><Setter.Value><ImageBrush ImageSource="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=MouseoverBackgroundImage}"/></Setter.Value></Setter></Trigger><Trigger Property="IsPressed" Value="True"><Setter Property="Background" TargetName="buttonBorder"><Setter.Value><ImageBrush ImageSource="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=MousedownBackgroundImage}"/></Setter.Value></Setter></Trigger><Trigger Property="IsEnabled" Value="false"><Setter Property="Background" TargetName="buttonBorder"><Setter.Value><ImageBrush ImageSource="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=DisabledBackgroundImage}"/></Setter.Value></Setter></Trigger></ControlTemplate.Triggers></ControlTemplate></Setter.Value></Setter></Style>

#region 构造函数
public ImageButton() : base()
{//读取资源字典文件ResourceDictionary rd = new ResourceDictionary();rd.Source = new Uri ( "/Zmy.Wpf.Controls;component/Style.xaml", UriKind.Relative );this.Resources.MergedDictionaries.Add ( rd );//获取样式this.Style = this.FindResource ( "ImageButtonStyle" ) as Style;
}
#endregion

            <StackPanel Orientation="Vertical"><controls:ImageButton Height="80" Width="80" NormalBackgroundImage="/Test;component/images/normal.png"MousedownBackgroundImage="/Test;component/images/mousedown.png"MouseoverBackgroundImage="/Test;component/images/mouseover.png"/><controls:ImageButton Height="80" Width="80" IsEnabled="False"DisabledBackgroundImage="/Test;component/images/disabled.png"/></StackPanel>