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VB.NET Timeline.CurrentTimeInvalidated事件代码示例

本文整理汇总了VB.NET中System.Windows.Media.Animation.Timeline.CurrentTimeInvalidated事件的典型用法代码示例。如果您正苦于以下问题:VB.NET Timeline.CurrentTimeInvalidated事件的具体用法?VB.NET Timeline.CurrentTimeInvalidated怎么用?VB.NET Timeline.CurrentTimeInvalidated使用的例子?那么, 这里精选的事件代码示例或许可以为您提供帮助。


在下文中一共展示了Timeline.CurrentTimeInvalidated事件的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的VB.NET代码示例。

示例1: New

'
'
'   This example shows how to register for the
'   CurrentTimeInvalidated event
'   using a Timeline. 
'
'

Imports System.Windows
Imports System.Windows.Navigation
Imports System.Windows.Media
Imports System.Windows.Media.Animation
Imports System.Windows.Shapes
Imports System.Windows.Controls
Imports System.Windows.Input

Namespace Microsoft.Samples.Animation.TimingBehaviors


    Public Class TimelineCurrentTimeInvalidatedExample
        Inherits Page


        Private currentTimeTextBlock As TextBlock
        Public Sub New()

            ' Create a name scope.
            NameScope.SetNameScope(Me, New NameScope())

            WindowTitle = "GetAnimationBaseValue Example"
            Dim myPanel As New StackPanel()
            myPanel.Margin = New Thickness(20)

            ' Create a rectangle.
            Dim animatedRectangle As New Rectangle()
            With animatedRectangle
                .Width = 100
                .Height = 50
                .Margin = New Thickness(50)
                .Fill = Brushes.Orange
                .Stroke = Brushes.Gray
                .StrokeThickness = 2
            End With

            ' Create a RotateTransform.
            Dim animatedTransform As New RotateTransform()
            animatedTransform.Angle = 0
            Me.RegisterName("animatedTransform", animatedTransform)
            animatedRectangle.RenderTransform = animatedTransform
            animatedRectangle.RenderTransformOrigin = New Point(0.5, 0.5)
            myPanel.Children.Add(animatedRectangle)
            Me.Content = myPanel

            ' Create a TextBlock to show the storyboard's current time.
            currentTimeTextBlock = New TextBlock()
            myPanel.Children.Add(currentTimeTextBlock)

            ' Animate the RotateTransform's angle using a Storyboard.
            Dim angleAnimation As New DoubleAnimation(0, 360, TimeSpan.FromSeconds(5))
            angleAnimation.RepeatBehavior = RepeatBehavior.Forever
            Storyboard.SetTargetName(angleAnimation, "animatedTransform")
            Storyboard.SetTargetProperty(angleAnimation, New PropertyPath(RotateTransform.AngleProperty))

            Dim theStoryboard As New Storyboard()
            theStoryboard.Children.Add(angleAnimation)

            ' Register the CurrentTimeInvalidated event.
            ' You must register for events before you begin 
            ' the storyboard.
            AddHandler theStoryboard.CurrentTimeInvalidated, AddressOf storyboard_CurrentTimeInvalidated

            ' Start the storyboard.
            theStoryboard.Begin(animatedRectangle, True)


        End Sub

        Private Sub storyboard_CurrentTimeInvalidated(ByVal sender As Object, ByVal e As EventArgs)

            ' Sender is the clock that was created for this storyboard.
            Dim storyboardClock As Clock = CType(sender, Clock)

            ' Update the TextBlock with the storyboard's current time.
            currentTimeTextBlock.Text = storyboardClock.CurrentTime.ToString()
        End Sub



    End Class

End Namespace
开发者ID:VB.NET开发者,项目名称:System.Windows.Media.Animation,代码行数:91,代码来源:Timeline.CurrentTimeInvalidated


注:本文中的System.Windows.Media.Animation.Timeline.CurrentTimeInvalidated事件示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。