Silverlight RichTextBox 自定义富文本框

核心代码：

 

using Sy<a href="https://www.jb51.cc/tag/stem/" target="_blank" class="keywords">stem</a>; using Sy<a href="https://www.jb51.cc/tag/stem/" target="_blank" class="keywords">stem</a>.Collections.Generic; using Sy<a href="https://www.jb51.cc/tag/stem/" target="_blank" class="keywords">stem</a>.Linq; using Sy<a href="https://www.jb51.cc/tag/stem/" target="_blank" class="keywords">stem</a>.Net; using Sy<a href="https://www.jb51.cc/tag/stem/" target="_blank" class="keywords">stem</a>.Windows; using Sy<a href="https://www.jb51.cc/tag/stem/" target="_blank" class="keywords">stem</a>.Windows.Controls; using Sy<a href="https://www.jb51.cc/tag/stem/" target="_blank" class="keywords">stem</a>.Windows.Documents; using Sy<a href="https://www.jb51.cc/tag/stem/" target="_blank" class="keywords">stem</a>.Windows.Input; using Sy<a href="https://www.jb51.cc/tag/stem/" target="_blank" class="keywords">stem</a>.Windows.Media; using Sy<a href="https://www.jb51.cc/tag/stem/" target="_blank" class="keywords">stem</a>.Windows.Media.Animation; using Sy<a href="https://www.jb51.cc/tag/stem/" target="_blank" class="keywords">stem</a>.Windows.Shapes; using Sy<a href="https://www.jb51.cc/tag/stem/" target="_blank" class="keywords">stem</a>.Windows.Navigation; using Sy<a href="https://www.jb51.cc/tag/stem/" target="_blank" class="keywords">stem</a>.Windows.Media.Imaging; using Sy<a href="https://www.jb51.cc/tag/stem/" target="_blank" class="keywords">stem</a>.Collections.ObjectModel; namespace RichText<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>Demo { public partial class MainPage : UserControl { private List<String> list = new List<string>(); private Image selectedImage = new Image(); private CwChoosePic childW; private CwChooseLink cl; public MainPage() { InitializeComponent(); //绑定字体样式数据 ObservableCollection<FontFamily> fonts = new ObservableCollection<FontFamily>(); fonts.Add(new FontFamily("Arial")); fonts.Add(new FontFamily("Courier New")); fonts.Add(new FontFamily("Times New Roman")); fonts.Add(new FontFamily("宋体")); MyCombo<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>.DataContext = fonts; MyCombo<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>.Selecte<a href="https://www.jb51.cc/tag/dind/" target="_blank" class="keywords">dind</a>ex = 0; //绑定字体大小 ObservableCollection<Double> fontsize = new ObservableCollection<double>(); for (int i = 8; i <= 50; i += 2) { fontsize.Add(i); } SizeCombo<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>.DataContext = fontsize; SizeCombo<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>.Selecte<a href="https://www.jb51.cc/tag/dind/" target="_blank" class="keywords">dind</a>ex = 0; //为Combo<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>绑定颜色画刷 ObservableCollection<SolidColorB<a href="https://www.jb51.cc/tag/rush/" target="_blank" class="keywords">rush</a>> b<a href="https://www.jb51.cc/tag/rush/" target="_blank" class="keywords">rush</a> = new ObservableCollection<SolidColorB<a href="https://www.jb51.cc/tag/rush/" target="_blank" class="keywords">rush</a>>(); b<a href="https://www.jb51.cc/tag/rush/" target="_blank" class="keywords">rush</a>.Add(new SolidColorB<a href="https://www.jb51.cc/tag/rush/" target="_blank" class="keywords">rush</a>(Colors.Red)); b<a href="https://www.jb51.cc/tag/rush/" target="_blank" class="keywords">rush</a>.Add(new SolidColorB<a href="https://www.jb51.cc/tag/rush/" target="_blank" class="keywords">rush</a>(Colors.Blue)); b<a href="https://www.jb51.cc/tag/rush/" target="_blank" class="keywords">rush</a>.Add(new SolidColorB<a href="https://www.jb51.cc/tag/rush/" target="_blank" class="keywords">rush</a>(Colors.Green)); this.ColorCombo<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>.ItemsSource = b<a href="https://www.jb51.cc/tag/rush/" target="_blank" class="keywords">rush</a>; this.ColorCombo<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>.Selecte<a href="https://www.jb51.cc/tag/dind/" target="_blank" class="keywords">dind</a>ex = 0; } private void btn_Blod_Click(object sender,RoutedEventArgs e) { //字体加粗 FontWeight fw = (FontWeight)this.richText<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>.Selection.GetPropertyValue(TextElement.FontWeightProperty); if (fw == FontWeights.Bold) { this.richText<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>.Selection.ApplyPropertyValue(TextElement.FontWeightProperty,FontWeights.<a href="https://www.jb51.cc/tag/nor/" target="_blank" class="keywords">nor</a>mal); } else { this.richText<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>.Selection.ApplyPropertyValue(TextElement.FontWeightProperty,FontWeights.Bold); } } private void btn_Italic_Click(object sender,RoutedEventArgs e) { //字体加倾斜 FontStyle fs = (FontStyle)this.richText<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>.Selection.GetPropertyValue(TextElement.FontStyleProperty); if (fs == FontStyles.Italic) { this.richText<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>.Selection.ApplyPropertyValue(TextElement.FontStyleProperty,FontStyles.<a href="https://www.jb51.cc/tag/nor/" target="_blank" class="keywords">nor</a>mal); } else { this.richText<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>.Selection.ApplyPropertyValue(TextElement.FontStyleProperty,FontStyles.Italic); } } private void MyCombo<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>_SelectionChanged(object sender,SelectionChangedEventArgs e) { //<a href="https://www.jb51.cc/tag/genggaiziti/" target="_blank" class="keywords">更改字体</a>样式 this.richText<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>.Selection.ApplyPropertyValue(TextElement.FontFamilyProperty,(FontFamily)MyCombo<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>.SelectedItem); } private void SizeCombo<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>_SelectionChanged(object sender,SelectionChangedEventArgs e) { //<a href="https://www.jb51.cc/tag/genggaiziti/" target="_blank" class="keywords">更改字体</a>大小 this.richText<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>.Selection.ApplyPropertyValue(TextElement.FontSizeProperty,this.SizeCombo<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>.SelectedItem); } private void ColorCombo<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>_SelectionChanged(object sender,SelectionChangedEventArgs e) { //<a href="https://www.jb51.cc/tag/genggaiziti/" target="_blank" class="keywords">更改字体</a>颜色 this.richText<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>.Selection.ApplyPropertyValue(TextElement.ForegroundProperty,(SolidColorB<a href="https://www.jb51.cc/tag/rush/" target="_blank" class="keywords">rush</a>) this.ColorCombo<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>.SelectedItem); } private void btn_AddImage_Click(object sender,RoutedEventArgs e) { //从ChildWindow控件中<a href="https://www.jb51.cc/tag/huoqu/" target="_blank" class="keywords">获取</a><a href="https://www.jb51.cc/tag/tupian/" target="_blank" class="keywords">图片</a>，从而<a href="https://www.jb51.cc/tag/tianjia/" target="_blank" class="keywords">添加</a>到编辑框 childW = new CwChoosePic(); childW.Show(); //在<a href="https://www.jb51.cc/tag/guanbi/" target="_blank" class="keywords">关闭</a>时出发事件 childW.Closed += new EventHandler(childW_Closed); } void childW_Closed(object sender,EventArgs e) { P<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>graph pg = new P<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>graph(); InlineUIContainer container = new InlineUIContainer(); container.Child = childW.GetSelec<a href="https://www.jb51.cc/tag/timage/" target="_blank" class="keywords">timage</a>(); pg.Inli<a href="https://www.jb51.cc/tag/nes/" target="_blank" class="keywords">nes</a>.Add(container); this.richText<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>.Blocks.Add(pg); } private void btn_AddLink_Click(object sender,RoutedEventArgs e) { //从ChildWindow控件中<a href="https://www.jb51.cc/tag/huoqu/" target="_blank" class="keywords">获取</a><a href="https://www.jb51.cc/tag/lianjie/" target="_blank" class="keywords">链接</a>信息，从而<a href="https://www.jb51.cc/tag/tianjia/" target="_blank" class="keywords">添加</a>到编辑框 cl = new CwChooseLink(); cl.Show(); //在<a href="https://www.jb51.cc/tag/guanbi/" target="_blank" class="keywords">关闭</a>时出发事件 cl.Closed += new EventHandler(cl_Closed); } void cl_Closed(object sender,EventArgs e) { //<a href="https://www.jb51.cc/tag/zengjia/" target="_blank" class="keywords">增加</a>段落 P<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>graph pg = new P<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>graph(); pg.Inli<a href="https://www.jb51.cc/tag/nes/" target="_blank" class="keywords">nes</a>.Add( cl.GetHyperlink()); this.richText<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>.Blocks.Add(pg); } } }  

 

效果截图：