PointerDownThemeAnimation Класс

Определение

public ref class PointerDownThemeAnimation sealed : Timeline

/// [Windows.Foundation.Metadata.Activatable(65536, "Microsoft.UI.Xaml.WinUIContract")]
/// [Windows.Foundation.Metadata.ContractVersion(Microsoft.UI.Xaml.WinUIContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class PointerDownThemeAnimation final : Timeline

[Windows.Foundation.Metadata.Activatable(65536, "Microsoft.UI.Xaml.WinUIContract")]
[Windows.Foundation.Metadata.ContractVersion(typeof(Microsoft.UI.Xaml.WinUIContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public sealed class PointerDownThemeAnimation : Timeline

Public NotInheritable Class PointerDownThemeAnimation
Inherits Timeline

<PointerDownThemeAnimation .../>

Наследование

Object Platform::Object IInspectable DependencyObject Timeline PointerDownThemeAnimation

Атрибуты

ActivatableAttribute ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute

Примеры

Ниже приведен пример шаблона пользовательского элемента управления, использующего анимации темы PointerDown/Up.

// Themes/Generic.xaml
<!-- Example template of a custom control that uses PointerDown/Up theme 
     animations. The PointerDownThemeAnimation will be run when the control
     is in the PointerDown state.-->
<ResourceDictionary
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:BlankApp1">

    <Style TargetType="local:TapControl" >
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="local:TapControl">
                    <Grid>
                        <VisualStateManager.VisualStateGroups>
                            <VisualStateGroup x:Name="TapStates">
                                <VisualState x:Name="Normal"/>
                                <VisualState x:Name="PointerDown">
                                    <Storyboard>
                                        <PointerDownThemeAnimation TargetName="contentRectangle"/>
                                    </Storyboard>
                                </VisualState>
                                <VisualState x:Name="PointerUp">
                                    <Storyboard>
                                        <PointerUpThemeAnimation TargetName="contentRectangle"/>
                                    </Storyboard>
                                </VisualState>
                            </VisualStateGroup>
                        </VisualStateManager.VisualStateGroups>
                        <Rectangle x:Name="contentRectangle" Width="100" Height="100" Fill="{TemplateBinding Background}"/>
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
</ResourceDictionary>

public sealed class TapControl : Control
{
    public TapControl()
    {
        this.DefaultStyleKey = typeof(TapControl);
    }

    protected override void OnPointerPressed(PointerRoutedEventArgs e)
    {
        this.CapturePointer(e.Pointer);
        VisualStateManager.GoToState(this, "PointerDown", true);
    }

    protected override void OnPointerReleased(PointerRoutedEventArgs e)
    {
        VisualStateManager.GoToState(this, "PointerUp", true);
        this.ReleasePointerCapture(e.Pointer);
    }
}

// TapControl.h
struct TapControl : TapControlT<TapControl>
{
    TapControl(){ DefaultStyleKey(winrt::box_value(L"MyApp.TapControl")); }

    void OnPointerPressed(Windows::UI::Xaml::Input::PointerRoutedEventArgs const& e);
    void OnPointerReleased(Windows::UI::Xaml::Input::PointerRoutedEventArgs const& e);
};

// TapControl.cpp
void TapControl::OnPointerPressed(Windows::UI::Xaml::Input::PointerRoutedEventArgs const& e)
{
    CapturePointer(e.Pointer());
    // Go to the PointerDown state, which will start the PointerDownThemeAnimation.
    Windows::UI::Xaml::VisualStateManager::GoToState(*this, L"PointerDown", true);
}

void TapControl::OnPointerReleased(Windows::UI::Xaml::Input::PointerRoutedEventArgs const& e)
{
    Windows::UI::Xaml::VisualStateManager::GoToState(*this, L"PointerUp", true);
    ReleasePointerCapture(e.Pointer());
}

// TapControl.h:
public ref class TapControl sealed : public Windows::UI::Xaml::Controls::Control
{
public:
    TapControl();
protected:
    virtual void OnPointerPressed(Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e) override;
    virtual void OnPointerReleased(Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e) override;
};

// TapControl.cpp:
TapControl::TapControl()
{
    DefaultStyleKey = "MyApp.TapControl";
}

void SplitOpenControl::OnPointerPressed(PointerRoutedEventArgs^ e)
{
    CapturePointer(e->Pointer);
    VisualStateManager::GoToState(this, "PointerDown", true);
}

void SplitOpenControl::OnPointerReleased(PointerRoutedEventArgs^ e)
{
    VisualStateManager::GoToState(this, "PointerUp", true);
    ReleasePointerCapture(e->Pointer);
}

Комментарии

Установка свойства Duration не влияет на этот объект, так как длительность предварительно настроена.

PointerDownThemeAnimation переопределяет текущие значения Проекции и RenderTransform.

Windows 8.1 и предыдущейпроекции и RenderTransform не влияют на PointerDownThemeAnimation.

См. также раздел

• Timeline
• Анимация щелчков указателя
• Рекомендации и контрольный список для анимации щелчка указателя