【异常报告】自定义窗口 DataGrid控件绑定异常

版本：1.30.18

模块：自定义窗口

Xaml代码:

<Grid Margin="10">
    <StackPanel Margin="15 20">
        <DataGrid Name="DG1" ItemsSource="{Binding [GridItemsSource], Mode=OneWay}" AutoGenerateColumns="False" IsReadOnly="True" >
            <DataGrid.Columns>
                <DataGridCheckBoxColumn Header="Current?"  Binding="{Binding IsCurrent}"/>
                <DataGridTextColumn Header="Name"  Binding="{Binding Name}"/>
                <DataGridTextColumn Header="Author" Binding="{Binding Author}" />
                <DataGridTextColumn Header="Last Commit Time" Binding="{Binding LastCommitTime}"/>
                <DataGridTextColumn Header="Last Commit Message" Binding="{Binding LastCommitMessage}"/>
            </DataGrid.Columns>
        </DataGrid>     
          <Button Margin="10" qk:Att.Action="close:result" Style="{StaticResource ButtonPrimary}" Width="50">
        关闭
          </Button>
    </StackPanel>
  </Grid>

辅助C#代码：

using System.Text;
using System.Windows;
using System.Windows.Forms;
using System.Collections.Generic;
using MessageBox = System.Windows.Forms.MessageBox;
using Newtonsoft.Json;
using Quicker.Public;

public static void OnWindowCreated(Window win, IDictionary<string, object> dataContext,
    ICustomWindowContext winContext
    ){
    var definition = new []{
        new {
            Name = string.Empty,
            Author = string.Empty,
            LastCommitTime = string.Empty,
            LastCommitMessage = string.Empty,
            IsCurrent = false,
    }};

    dataContext["GridItemsSource"] = JsonConvert.DeserializeAnonymousType((string)dataContext["GridItemsSourceJson"], definition);
}

"A TwoWay or OneWayToSource" binding cannot work on the readonly property 'IsCurrent'

InvalidOperationException
   at MS.Internal.Data.PropertyPathWorker.CheckReadOnly(Object item, Object info)
   at MS.Internal.Data.PropertyPathWorker.ReplaceItem(Int32 k, Object newO, Object parent)
   at MS.Internal.Data.PropertyPathWorker.UpdateSourceValueState(Int32 k, ICollectionView collectionView, Object newValue, Boolean isASubPropertyChange)
   at MS.Internal.Data.ClrBindingWorker.AttachDataItem()
   at System.Windows.Data.BindingExpression.Activate(Object item)
   at System.Windows.Data.BindingExpression.AttachToContext(AttachAttempt attempt)
   at System.Windows.Data.BindingExpression.MS.Internal.Data.IDataBindEngineClient.AttachToContext(Boolean lastChance)
   at MS.Internal.Data.DataBindEngine.Task.Run(Boolean lastChance)
   at MS.Internal.Data.DataBindEngine.Run(Object arg)
   at System.Windows.ContextLayoutManager.fireLayoutUpdateEvent()
   at System.Windows.ContextLayoutManager.UpdateLayout()
   at System.Windows.ContextLayoutManager.UpdateLayoutCallback(Object arg)
   at System.Windows.Media.MediaContext.FireInvokeOnRenderCallbacks()
   at System.Windows.Media.MediaContext.RenderMessageHandlerCore(Object resizedCompositionTarget)
   at System.Windows.Media.MediaContext.RenderMessageHandler(Object resizedCompositionTarget)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)