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Bob
40
Expand the GroupByRecordPresenter
posted

How does one make the GroupByRecordPresenter expand so it displays its child nodes the first time it becomes visible?  I attempted to do it through a style but it didn't have any affect:

 

<Style TargetType="{x:Type igDP:GroupByRecordPresenter}">

<Setter Property="IsExpanded" Value="True"/>

</Style>

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  • 2125
    posted

    Hi,

    Setting  the IsExpanded property in the GroupByRecordPresenter style will not work probably because
    of the timing issues. In any case, you should use the InitializeRecord event to expand group-by records.


    public void xamDataGridName_InitializeRecord( object sender, InitializeRecordEventArgs e )
     {
         if(e.Record is GroupByRecord)
            {
                 e.Record.IsExpanded = true;
            }
     }


    Best Regards,
    Yanko

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