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<Window x:Class="WpfCommands.MainWindow"         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"         Title="MainWindow" Height="350" Width="525">     <StackPanel>         <WrapPanel>             <Button Width="100" Height="30" Command="{x:Static ApplicationCommands.Copy}"                 Content="{Binding Path=Command.Text, RelativeSource={RelativeSource Self}}"                 CommandTarget="{Binding ElementName=textBox}" ></Button>             <Button Width="100" Height="30" Command="Cut"                 Content="{Binding Path=Command.Text, RelativeSource={RelativeSource Self}}"                 CommandTarget="{Binding ElementName=textBox}" ></Button>             <Button Width="100" Height="30" Command="Paste"                 Content="{Binding Path=Command.Text, RelativeSource={RelativeSource Self}}"                 CommandTarget="{Binding ElementName=textBox}" ></Button>             <Button Width="100" Height="30" Command="Undo"                 Content="{Binding Path=Command.Text, RelativeSource={RelativeSource Self}}"                 CommandTarget="{Binding ElementName=textBox}" ></Button>             <Button Width="100" Height="30" Command="Redo"                 Content="{Binding Path=Command.Text, RelativeSource={RelativeSource Self}}"                 CommandTarget="{Binding ElementName=textBox}" ></Button>         </WrapPanel>                  <TextBox Name="textBox" Height="200"></TextBox>     </StackPanel> </Window>

WPF内置命令

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