让WPF和SL控件同时支持绑定和赋值

< UserControl x:Name ="msl"
xmlns ="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x ="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d ="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc ="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:Control ="clr-namespace:Sl.MELearning.EnterpriseLibrary.Controls.ControlBase"
xmlns:vm ="clr-namespace:Sl.MELearning.EnterpriseLibrary.Controls.ViewModel"
xmlns:cv ="clr-namespace:Sl.MELearning.EnterpriseLibrary.Controls.Converter"
xmlns:i ="http://schemas.microsoft.com/expression/2010/interactivity"
xmlns:ei ="http://schemas.microsoft.com/expression/2010/interactions"
x:Class ="Sl.MELearning.EnterpriseLibrary.Controls.SingleChoice"
mc:Ignorable ="d"
d:DesignHeight ="300" d:DesignWidth ="400" >
< UserControl.Resources >
< ResourceDictionary >
< ResourceDictionary.MergedDictionaries >
< ResourceDictionary Source ="Styles/DictionaryChoice.xaml" />
</ ResourceDictionary.MergedDictionaries >
</ ResourceDictionary >
</ UserControl.Resources >
< Grid x:Name ="LayoutRoot" Background ="White" >
< Grid.RowDefinitions >
< RowDefinition Height ="auto" ></ RowDefinition >
< RowDefinition Height ="auto" ></ RowDefinition >
< RowDefinition Height ="15" ></ RowDefinition >
< RowDefinition Height ="0" ></ RowDefinition >
</ Grid.RowDefinitions >
< Grid.ColumnDefinitions >
< ColumnDefinition Width ="40" />
< ColumnDefinition Width ="40" />
< ColumnDefinition Width ="*" />
</ Grid.ColumnDefinitions >


< TextBlock Text =" {Binding Choice.IndexInPaper, Mode=TwoWay, ElementName=msl} " Grid.Row ="0" Grid.Column ="0" Width ="30" Height ="30" Margin ="16,12,0,0" >
</ TextBlock >

< Control:PaperRichText x:Name ="prtQuesiton" Grid.Row ="0" Grid.Column ="1" Grid.ColumnSpan ="2" Xaml =" {Binding Choice.ChoiceQuestion, Mode=TwoWay, ElementName=msl} " IsReadOnly ="True" BorderShowed ="False" ScrollViewer.HorizontalScrollBarVisibility ="Hidden" ScrollViewer.VerticalScrollBarVisibility ="Hidden" Margin ="5,5,5,5" >
</ Control:PaperRichText >

< ListBox x:Name ="LbSingleSelection" Grid.Row ="1" x:FieldModifier ="public" ItemsSource =" {Binding Choice.ChoiceStems, ElementName=msl} " HorizontalAlignment ="Stretch" VerticalAlignment ="Stretch" ScrollViewer.HorizontalScrollBarVisibility ="Hidden" ScrollViewer.VerticalScrollBarVisibility ="Hidden" Grid.ColumnSpan ="3" Width ="Auto" ItemContainerStyle =" {StaticResource ListBoxItemStyle1} " BorderThickness ="0" >
< ListBox.ItemTemplate >
< DataTemplate >
< Grid >
< Grid.RowDefinitions >
< RowDefinition Height ="auto" />
</ Grid.RowDefinitions >
< Grid.ColumnDefinitions >
< ColumnDefinition Width ="40" />
< ColumnDefinition Width ="*" />
</ Grid.ColumnDefinitions >

< Border Grid.Column ="0" Grid.Row ="0" Width ="25" Height ="25" Cursor ="Hand" CornerRadius ="25" BorderThickness ="2" Background =" {Binding Selected, Converter={StaticResource borderBackgroundConvert}} " BorderBrush =" {Binding Selected, Converter={StaticResource borderColorConvert}} " >
< TextBlock Text =" {Binding Path=StemABCDShowed, Mode=TwoWay} " FontSize ="12" Width ="25" Height ="25" Cursor ="Hand" Foreground =" {Binding Selected, Converter={StaticResource borderColorConvert}} " Padding ="8,3,0,0" HorizontalAlignment ="Center" VerticalAlignment ="Center" />
< i:Interaction.Triggers >
< i:EventTrigger EventName ="MouseLeftButtonDown" >
< i:InvokeCommandAction Command =" {Binding DataContext.Clicked, Mode=TwoWay, ElementName=tbb} " CommandParameter =" {Binding} " >
</ i:InvokeCommandAction >
</ i:EventTrigger >
</ i:Interaction.Triggers >
</ Border >

< Control:PaperRichText x:Name ="prtListItem" Grid.Column ="1" Grid.Row ="0" Xaml =" {Binding Path=Stem} " IsReadOnly ="True" BorderShowed ="False" Cursor ="Hand" Width =" {Binding Width, ElementName=msl, Converter={StaticResource choiceWidthConverter}} " >
< i:Interaction.Triggers >
< i:EventTrigger EventName ="Clicked" >
< i:InvokeCommandAction Command =" {Binding DataContext.Clicked, Mode=TwoWay, ElementName=tbb} " CommandParameter =" {Binding} " >
</ i:InvokeCommandAction >
</ i:EventTrigger >
</ i:Interaction.Triggers >
</ Control:PaperRichText >

</ Grid >
</ DataTemplate >
</ ListBox.ItemTemplate >
</ ListBox >
< Rectangle Height ="10" VerticalAlignment ="bottom" Grid.Row ="2" Grid.ColumnSpan ="3" Style =" {StaticResource ChoiceRectangle} " >
</ Rectangle >
< TextBlock Height ="0" Grid.Row ="3" Grid.ColumnSpan ="3" x:Name ="tbb" >
< TextBlock.DataContext >
< vm:SingleChoiceViewModel x:Name ="singleChoiceViewModel" ></ vm:SingleChoiceViewModel >
</ TextBlock.DataContext >
</ TextBlock >
</ Grid >
</ UserControl >

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using Sl.MELearning.EnterpriseLibrary.Controls.Core;
using Sl.MELearning.EnterpriseLibrary.Controls.ViewModel;
using Sl.MELearning.EnterpriseLibrary.Controls.UIModel;

namespace Sl.MELearning.EnterpriseLibrary.Controls
{
public partial class SingleChoice : UserControl
{
public SingleChoice()
{
InitializeComponent();
this .Loaded += new RoutedEventHandler(SingleChoice_Loaded);

}

void SingleChoice_Loaded( object sender, RoutedEventArgs e)
{
(tbb.DataContext as SingleChoiceViewModel).Choice = Choice;
}

public static readonly DependencyProperty ChoiceProperty = DependencyProperty.Register( " Choice " , typeof (Choice), typeof (SingleChoice), new PropertyMetadata( null ));
public Choice Choice
{
get
{
return (Choice)GetValue(ChoiceProperty);
}
set
{
SetValue(ChoiceProperty, value);
(tbb.DataContext as SingleChoiceViewModel).Choice = value;
}
}

}


}