对于没有Command属性时，怎么来达到相同的效果
控件是第三方Telerik控件 CellEditEnded事件想写成Command{Binding CellEditEndedCommand} 这样的效果如下代码
需要引用
System.Windows.Interactivity
xmlns:i="clr-namespace:System.Windows.Interactivity;assembly=System.Windows.Interactivity"
<telerik:RadGridView Name="LoadingGridView"
SelectedItem="{Binding Pkey}"
Height="400"
AutoGenerateColumns="False"
Margin="2"
HorizontalAlignment="Stretch"
sumer:StyleManager.Theme="Windows8"
NewRowPosition="Bottom"
GroupRenderMode="Flat"
ItemsSource="{Binding DataContext.T_PSF_Loading_Cargo1, RelativeSource={RelativeSource AncestorType={x:Type UserControl}}}"
RowIndicatorVisibility="Visible"
ShowGroupPanel="False"
SelectionMode="Extended"
>
//对于一些属性，来Command事件，我们可以用以下这种方式
<i:Interaction.Triggers>
<i:EventTrigger EventName="CellEditEnded">//事件名称
<i:InvokeCommandAction Command="{Binding GridViewSelectionChanged}" CommandParameter="{Binding SelectedItem, ElementName=LoadingGridView}" />//需要对应的Commadn 和需要传的参
</i:EventTrigger>
</i:Interaction.Triggers>
<telerik:RadGridView.Columns>
<custom:MyColumn Header="#"
Width="30"
CellStyle="{StaticResource style1}" />
<telerik:GridViewSelectColumn Name="select" TextAlignment="Center" Width="35" Header="多选" EditTriggers="None">
</telerik:GridViewSelectColumn>
<telerik:GridViewDataColumn DataMemberBinding="{Binding TPSFPkey}" IsFilterable="True" TextAlignment="Center" Header="TPSFPkey"/>
<telerik:GridViewDataColumn DataMemberBinding="{Binding MLO}" TextAlignment="Center" Header="MLO" IsFilterable="True"></telerik:GridViewDataColumn>
<telerik:GridViewDataColumn DataMemberBinding="{Binding Pkey}" IsVisible="False" TextAlignment="Center" Header="Pkey" IsFilterable="True"></telerik:GridViewDataColumn>
<telerik:GridViewDataColumn DataMemberBinding="{Binding LoadingCargoPkey}" IsVisible="False" TextAlignment="Center" Header="LoadingCargoPkey" IsFilterable="True"></telerik:GridViewDataColumn>
<telerik:GridViewDataColumn DataMemberBinding="{Binding UserPkeyCreator}" Header="UserPkeyCreator" IsFilterable="True" ></telerik:GridViewDataColumn>
<telerik:GridViewDataColumn DataMemberBinding="{Binding UserPkeyModifier}" Header=" UserPkeyModifier" IsFilterable="True" />
<telerik:GridViewDataColumn DataMemberBinding="{Binding DateTimeCreated,Mode=OneTime}" Header="DateTimeCreated" IsFilterable="True" />
<telerik:GridViewDataColumn DataMemberBinding="{Binding DateTimeModified,Mode=OneTime}" Header="DateTimeModified" IsFilterable="True" />
<telerik:GridViewDataColumn DataMemberBinding="{Binding AuditStat}" Header="AuditStat" IsFilterable="True" />
<telerik:GridViewDataColumn DataMemberBinding="{Binding TPSFLoadingPkey}" Header="TPSFLoadingPkey" IsFilterable="True" />
<telerik:GridViewDataColumn DataMemberBinding="{Binding CntrNum}" Header="CntrNum" IsFilterable="True" />
</telerik:RadGridView.Columns>
</telerik:RadGridView>
<telerik:RadDataPager PageSize="20"
FontSize="12" Margin="0,-1,0,0"
Source="{Binding Items, ElementName=LoadingGridView}"
IsTotalItemCountFixed="True"
DisplayMode="FirstLastPreviousNextNumeric, Text"/>
<StackPanel Name="stack1" Visibility="Collapsed" Orientation="Horizontal">
对于RadGridView外部的按钮控件，想拿到RadGridView的选中项的值，我们可以用CommandParameter来传值，SelectedItems, 可以拿到RadGridView
被选中的多项；
<Button Content="删除" Command="{Binding DataContext.DeleteSelect,
RelativeSource={RelativeSource Mode=FindAncestor,AncestorType=UserControl}}"
CommandParameter="{Binding SelectedItems, ElementName=LoadingGridView}" Grid.Row="2" Width="75"/>
<Button Content="退出" Grid.Row="2" Width="75" Click="Button_Click" />
</StackPanel>
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