In XAML, How do I Binding a DoubleClick command on a selectedItem(the selected row) in a GataGrid Element in a MVVM Mode?

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C#

VB

XAML

DataGrid

Hi,friends,here is a problem that jamed me for few days,I don't know how to meet the PM's requist ! so I am here for help!

the problem is:

when the user double click a selected item in a datagrid,then another form shows!

how to binding the DoubleClick command in a datagrid or the selected item in the xaml .

Thank you !

the XAML code:

<DataGrid x:Name="dgResult"  HorizontalAlignment="Left" Margin="25,251,0,0" ItemsSource="{Binding DgResultDataContext}" VerticalAlignment="Top" Height="263" Width="752" Grid.ColumnSpan="4" SelectedItem="{Binding DgResultSelectedItem}">

          </DataGrid>