button hot key 热键

  <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>