public object Value { get; set; }

Public Property Value As Object

string csv = String.Join(", ", values);
    e.Value = csv;
}

{
    e.Value = richEditControl.Document.RtfText;
}

{
    e.Value = buttonEdit1.EditValue;
}

{
    e.Value = gridView1.GetFocusedRowCellValue("Fruit");
}

{
    e.Value = memoEdit1.EditValue;
}

Dim csv As String = String.Join(", ", values)
    e.Value = csv
End Sub

Private Sub riPopup_QueryResultValue(ByVal sender As Object, ByVal e As QueryResultValueEventArgs)
    e.Value = richEditControl.Document.RtfText
End Sub

Private Sub popupContainerEditOKButtonpopupContainerEditOKButtonForTest_Properties_QueryResultValue(ByVal sender As Object, ByVal e As DevExpress.XtraEditors.Controls.QueryResultValueEventArgs)
    e.Value = buttonEdit1.EditValue
End Sub

Private Sub popupContainerEdit1_QueryResultValue(ByVal sender As Object, ByVal e As DevExpress.XtraEditors.Controls.QueryResultValueEventArgs)
    e.Value = gridView1.GetFocusedRowCellValue("Fruit")
End Sub

Private Sub repositoryItemPopupContainerEdit1_QueryResultValue(ByVal sender As Object, ByVal e As DevExpress.XtraEditors.Controls.QueryResultValueEventArgs)
    e.Value = memoEdit1.EditValue
End Sub