wpf listbox 双击command

<ListBox Name="EsCanSelectList" Grid.Row="1" ItemsSource="{Binding CanSelectList,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}">
<ListBox.ItemTemplate>
<DataTemplate>
<TextBlock Text="{Binding Path=ExportName}">
<TextBlock.InputBindings>
<MouseBinding Command="{Binding DataContext.EsCanSelectListMouseDoubleClickCommand, ElementName=w}" MouseAction="LeftDoubleClick"></MouseBinding>
</TextBlock.InputBindings>
</TextBlock>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
DataContext.EsCanSelectListMouseDoubleClickCommand C#后台鼠标左键双击事件命令实现
ElementName=w 数据源为窗口 w为窗口名称
Path=ExportName textblock显示数据来源 为CanSelectLis动态数据集合中的一个元素的属性
C#后台代码：
/// <summary>
/// 导出设置的数据模型
/// </summary>
public class ExportModel
{
public int ExportID { get; set; }
public string ExportName { get; set; }
}
视图模型VeiwModel
public class ExportSettingVeiwModel:ViewModels
{
private ObservableCollection<ExportModel> canSelectList;
/// <summary>
/// 可选择字段
/// </summary>
public ObservableCollection<ExportModel> CanSelectList
{
get { return canSelectList; }
set
{
canSelectList = value;
RaisePropertyChanged("CanSelectList");
}
}

public ICommand EsCanSelectListMouseDoubleClickCommand { get; set; }
public ExportSettingVeiwModel()
{
EsCanSelectListMouseDoubleClickCommand = new DelegateCommand(EsCanSelectList_MouseDoubleClick);
CanSelectList = new ObservableCollection<ExportModel>();
ExportModel ceshi = new ExportModel();
ceshi.ExportID = 1;
ceshi.ExportName = "ceshi";
CanSelectList.Add(ceshi);

}


public void EsCanSelectList_MouseDoubleClick()
{
if (CanSelectList.Count > 0 && _exportsetting.EsCanSelectList.SelectedIndex >= 0)
{


}
//{
// int selectindex = _exportsetting.EsCanSelectList.SelectedIndex;
// // ExportList.Add(CanSelectList[selectindex]);
// CanSelectList.RemoveAt(selectindex);
// if (selectindex < CanSelectList.Count)
// {
// _exportsetting.EsCanSelectList.SelectedIndex = selectindex;
// }
// else
// {
// _exportsetting.EsCanSelectList.SelectedIndex = selectindex - 1;
// }
//}
}
}