按钮动画 WPF

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时间:2020-09-13 13:32:13  来源:igfitidea点击:

Button Animation WPF

wpfxamlanimation

提问by Valkyry

Hello I am trying to make an animationon button, it does increase the widthand heighton IsMouseOver, However, when the IsMouseOveris false, It does not return to its Original place with an animation.

您好,我正在尝试制作一个animationon button,它确实增加了widthheighton IsMouseOver,但是,当IsMouseOver是 时false,它不会通过动画返回到其原始位置。

here is my .XAML

这是我的.XAML

<Grid>
    <Button Margin="355,0,0,0" Width="100" Height="300">
        <Image Source="img/blue.jpg" />
        <Button.Style>
            <Style TargetType="Button">
                <Style.Triggers>
                    <Trigger Property="IsMouseOver" Value="True">
                        <Trigger.EnterActions>
                            <BeginStoryboard>
                                <Storyboard>
                                    <ThicknessAnimation Duration="0:0:0.250" To="0" 
                                    Storyboard.TargetProperty="BorderThickness" />
                                    <DoubleAnimation Duration="0:0:0.550" To="320" 
                                    Storyboard.TargetProperty="Height" />
                                    <DoubleAnimation Duration="0:0:0.550" To="120" 
                                    Storyboard.TargetProperty="Width" />
                                </Storyboard>
                            </BeginStoryboard>
                        </Trigger.EnterActions>
                    </Trigger>
                    <Trigger Property="IsMouseOver" Value="False">
                        <Trigger.EnterActions>
                            <BeginStoryboard>
                                <Storyboard>
                                    <ThicknessAnimation Duration="0:0:0.250" To="0" 
                                    Storyboard.TargetProperty="BorderThickness" />
                                    <DoubleAnimation Duration="0:0:0.550" To="300" 
                                    Storyboard.TargetProperty="Height" />
                                    <DoubleAnimation Duration="0:0:0.550" To="100" 
                                    Storyboard.TargetProperty="Width" />
                                </Storyboard>
                            </BeginStoryboard>
                        </Trigger.EnterActions>
                    </Trigger>
                </Style.Triggers>
            </Style>
        </Button.Style>
    </Button>
</Grid>

回答by bars222

You should place animation to Trigger.ExitActionslike this.

你应该Trigger.ExitActions像这样放置动画。

<Button.Style>
    <Style TargetType="Button">
        <Style.Triggers>
            <Trigger Property="IsMouseOver" Value="True">
                <Trigger.EnterActions>
                    <BeginStoryboard>
                        <Storyboard>
                            <ThicknessAnimation Duration="0:0:0.250" To="0" 
                                                            Storyboard.TargetProperty="BorderThickness" />
                            <DoubleAnimation Duration="0:0:0.550" To="120" 
                                                            Storyboard.TargetProperty="Height" />
                            <DoubleAnimation Duration="0:0:0.550" To="120" 
                                                            Storyboard.TargetProperty="Width" />
                        </Storyboard>
                    </BeginStoryboard>
                </Trigger.EnterActions>
                <Trigger.ExitActions>
                    <BeginStoryboard>
                        <Storyboard>
                            <ThicknessAnimation Duration="0:0:0.250" To="0" 
                                                            Storyboard.TargetProperty="BorderThickness" />
                            <DoubleAnimation Duration="0:0:0.550" To="100" 
                                                            Storyboard.TargetProperty="Height" />
                            <DoubleAnimation Duration="0:0:0.550" To="100" 
                                                            Storyboard.TargetProperty="Width" />
                        </Storyboard>
                    </BeginStoryboard>
                </Trigger.ExitActions>
            </Trigger>
        </Style.Triggers>
    </Style>
</Button.Style>