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描述：可以对按钮的选择或未选择时的文字颜色以及背景图片进行变换。
效果如下：
首先是自定义按钮类：
View Code public class TextImageButton:Button { public TextImageButton() { this.IsSelectedChanged += new IsSelectedChangedEventHandler(TextImageButton_IsSelectedChanged); } private void TextImageButton_IsSelectedChanged( object sender, DependencyPropertyChangedEventArgs e) { if ( this.IsSelected == true) { this.TextColor = SelectedTextColor; this.Background = SelectedBackground; } else { this.TextColor = UnSelectedTextColor; this.Background = UnSelectedBackground; } } public delegate void IsSelectedChangedEventHandler( object sender, DependencyPropertyChangedEventArgs e); public event IsSelectedChangedEventHandler IsSelectedChanged; private bool isSelected = false; public bool IsSelected { get{ return isSelected;} set { if (isSelected != value) { isSelected = value; IsSelectedChanged( this, new DependencyPropertyChangedEventArgs()); } } } public new static DependencyProperty BackgroundProperty = DependencyProperty.RegisterAttached ( " Background ", typeof(ImageSource), typeof(Button) ); public new ImageSource Background { get{ return (ImageSource)GetValue(BackgroundProperty);} set { SetValue(BackgroundProperty, value); } } public static DependencyProperty TextColorProperty = DependencyProperty.RegisterAttached ( " TextColor ", typeof(SolidColorBrush), typeof(Button) ); public SolidColorBrush TextColor { get { return (SolidColorBrush)GetValue(TextColorProperty); } set { SetValue(TextColorProperty, value); } } public static DependencyProperty TextProperty = DependencyProperty.RegisterAttached ( " Text ", typeof( string), typeof(Button) ); public string Text { get { return ( string)GetValue(TextProperty); } set { SetValue(TextProperty, value); } } public ImageSource SelectedBackground { get; set; } public ImageSource UnSelectedBackground { get; set; } public SolidColorBrush SelectedTextColor { get; set; } public SolidColorBrush UnSelectedTextColor { get; set; } }
其次是创建按钮模板：
View Code < ControlTemplate TargetType ="Button" x:Key ="SelectButton" > < Grid Cursor ="Hand" > < Image Source =" {Binding Path=Background,RelativeSource={RelativeSource TemplatedParent}} " ></ Image > < TextBlock FontFamily ="微软雅黑" FontSize ="24" Width ="220" HorizontalAlignment ="Center" VerticalAlignment ="Center" TextAlignment ="Center" Text =" {Binding Path=Text,RelativeSource={RelativeSource TemplatedParent}} " Foreground =" {Binding Path=TextColor,RelativeSource={RelativeSource TemplatedParent}} " TextWrapping ="Wrap" ></ TextBlock > </ Grid > </ ControlTemplate >
最后就可以在后台中直接动态创建：
View Code TextImageButton tbi = new TextImageButton() { Width = 280, Height = 100, Template = this.Resources[ " SelectButton "] as ControlTemplate, Background = new BitmapImage( new Uri( @" /项目名称;component/Images/UnSelectButton.png ", UriKind.Relative)), SelectedBackground = new BitmapImage( new Uri( @" /项目名称;component/Images/SelectButton.png ", UriKind.Relative)), UnSelectedBackground = new BitmapImage( new Uri( @" /项目名称;component/Images/UnSelectButton.png ", UriKind.Relative)), TextColor = new SolidColorBrush(Color.FromRgb( 51, 51, 51)), SelectedTextColor = new SolidColorBrush(Color.FromRgb( 255, 255, 255)), UnSelectedTextColor = new SolidColorBrush(Color.FromRgb( 51, 51, 51)), Name = " 按钮名称 ", Text = " 按钮内容 " };
变换按钮的状态通过 tbi.IsSelected = true 或 tbi.IsSelected = false 即可