Two examples of WPF using MultiBinding in XAML

the principle of using multibinding: There is more than one data source ;

1. Requirements: In a need to display the content, the different parts to be processed differently, you can use multibinding

1 <TextBlock>2           <Textblock.text>3                      <multibindingStringFormat="{}{0} {1} {2}">4                                 <BindingPath= "Downloadviewmodel.totaldevicecount" />5                                  <BindingPath= "Language"Converter="{StaticResource Lanconverter}"Converterparameter= "Problem"/>6                                   <BindingPath= "Downloadviewmodel.totaldevicecount"Converter="{StaticResource Numtopluralconverter}"Converterparameter= "Driver" />7                        </multibinding>8              </Textblock.text>9  </TextBlock>

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Use MultiBinding's StringFormat directly to handle

2. Requirements: Data sources are different, but need to use these data sources for judgment or processing

1 <Button.commandparameter>2          <multibindingConverter="{StaticResource Windowmulitconverter}">3                  <BindingRelativeSource="{RelativeSource Ancestortype=window,ancestorlevel=1}"/>4                  <Binding/>5          </multibinding>6 </Button.commandparameter>

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Two examples of WPF using MultiBinding in XAML