<Button x:Name="ScanIDButton" Margin="11,0,0,0"

                        IsEnabled="{Binding ElementName=IDTypeCombox,Path=IsNull}"

                        Click="ScanIDButton_Click">

                    <DockPanel>

                        <AccessText Text="{Binding RelativeSource={ RelativeSource Mode=FindAncestor, AncestorType={x:Type UserControl}, AncestorLevel=1}, Path=ButtonName}"></AccessText>

                        <AccessText>(_S)</AccessText>

                    </DockPanel>

                </Button>