<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