键盘快捷键并不总是在WPF UserControl上触发

<UserControl x:Class="YourNamespace.YourUserControl"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:local="clr-namespace:YourNamespace">

    <UserControl.CommandBindings>
        <CommandBinding Command="local:CustomCommands.CustomCommand"
                        Executed="CustomCommand_Executed"/>
    </UserControl.CommandBindings>

    <UserControl.InputBindings>
        <KeyBinding Key="C"
                    Modifiers="Control"
                    Command="local:CustomCommands.CustomCommand"/>
    </UserControl.InputBindings>

    <!-- Your UserControl content here -->

</UserControl>

public static class CustomCommands
{
    public static readonly RoutedUICommand CustomCommand = new RoutedUICommand("Custom Command", "CustomCommand", typeof(CustomCommands));
}

private void CustomCommand_Executed(object sender, ExecutedRoutedEventArgs e)
{
    // 执行命令的逻辑
}