WPF xaml QuickConverter Binding MultiBinding

QuickConverter   Binding

方式一：

Visibility="{qc:Binding '$P ? Visibility.Visible : Visibility.Collapsed', P={Binding ElementName=ckb_Twelve,Path=IsChecked}}" 

方式二：

 x:Name="rbS"    Tag="{qc:Binding '$P== 1',P={Binding TypeProperty}}"   IsChecked="{Binding ElementName=rbS,Path=Tag}"

 

QuickConverter  多重綁定

 

  Visibility="{qc:MultiBinding '($P0 &&  $P1)? Visibility.Visible : Visibility.Collapsed', P0={Binding ElementName=ckb_Nine,Path=IsChecked}, P1={Binding  ElementName=ckb_Twelve,Path=IsChecked} }"