- ButtonBase - ClickEvent 
- ClickModeProperty 
- CommandParameterProperty 
- CommandProperty 
- CommandTargetProperty 
- IsPressedProperty 
- ButtonBase() 
- ClickMode 
- Command 
- CommandParameter 
- CommandTarget 
- IsEnabledCore 
- IsPressed 
- OnAccessKey(AccessKeyEventArgs) 
- OnClick() 
- OnIsPressedChanged(DependencyPropertyChangedEventArgs) 
- OnKeyDown(KeyEventArgs) 
- OnKeyUp(KeyEventArgs) 
- OnLostKeyboardFocus(KeyboardFocusChangedEventArgs) 
- OnLostMouseCapture(MouseEventArgs) 
- OnMouseEnter(MouseEventArgs) 
- OnMouseLeave(MouseEventArgs) 
- OnMouseLeftButtonDown(MouseButtonEventArgs) 
- OnMouseLeftButtonUp(MouseButtonEventArgs) 
- OnMouseMove(MouseEventArgs) 
- OnRenderSizeChanged(SizeChangedInfo) 
- Click 
 
net9.0-windows10.0.22621
    namespace System.Windows.Controls.Primitives
{
    [DefaultEvent("Click")]
    [Localizability(LocalizationCategory.Button)]
    public abstract class ButtonBase : ContentControl, ICommandSource
    {
        [Category("Behavior")]
        public event RoutedEventHandler Click;
    }
}
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| .NET | 5.06.07.08.09.0 | 
| .NET Core | 3.03.1 | 
| .NET Framework | 3.03.54.04.54.5.14.5.24.64.6.14.6.24.74.7.14.7.24.84.8.1 | 
| Information specific to net9.0 | |
| Platforms | This API is only available when you target a specific platform: | 
| Windows | 7.08.010.0.1776310.0.1836210.0.1904110.0.2034810.0.2200010.0.22621 | 
| Information specific to net9.0-windows10.0.22621 | |
| Assembly | PresentationFramework , Version=9.0.0.0, PublicKeyToken=31bf3856ad364e35 | 
| Referencing | Your project needs to set  | 
| Platform Restrictions | The event adder is only supported on the following platforms: 
 The event remover is only supported on the following platforms: 
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- Built-in API
- Package-provided API