Question

我发出错误＆＃34;＆＃39; ScaleTransform＆＃39;在System.Windows.Controls.ListView＆＃39;。＆＃34;的名称范围内找不到名称。当ScaleTransform在另一个触发器中时，但是当我在Image.Triggers中设置它时，它工作正常吗？

     <ListView.ItemTemplate>
                            <DataTemplate>
                                <DockPanel>
                                    <TextBlock DockPanel.Dock="Bottom" Text="{Binding Name}"/>
                                    <Image x:Name="Img" Source="{Binding Source}" Height="128" Width="128" Focusable="True">
                                        <Image.RenderTransform>
                                            <ScaleTransform x:Name="MyAnimatedScaleTransform" CenterX="25" CenterY="25" ScaleX="1" ScaleY="1" />
                                        </Image.RenderTransform>
                                    </Image>
                                </DockPanel>
                            </DataTemplate>
                        </ListView.ItemTemplate>
                        <ListView.Triggers>
                            <EventTrigger RoutedEvent="ListView.SelectionChanged">
                                <BeginStoryboard Name="myBeginStoryboard">
                                    <Storyboard>
                                        <DoubleAnimation Storyboard.TargetName="MyAnimatedScaleTransform" Storyboard.TargetProperty="(ScaleTransform.ScaleX)" To="1.5" Duration="0:0:0.25" AutoReverse="True" />
                                        <DoubleAnimation Storyboard.TargetName="MyAnimatedScaleTransform" Storyboard.TargetProperty="(ScaleTransform.ScaleY)" To="1.5" Duration="0:0:0.25" AutoReverse="True"/>
                                    </Storyboard>
                                </BeginStoryboard>
                            </EventTrigger>
                        </ListView.Triggers>
                    </ListView>

我尝试了但也没有工作：

 <ListView.ItemTemplate>
                            <DataTemplate>
                                <DockPanel>
                                    <TextBlock DockPanel.Dock="Bottom" Text="{Binding Name}"/>
                                    <Image x:Name="Img" Source="{Binding Source}" Height="128" Width="128" Focusable="True">
                                        <Image.RenderTransform>
                                            <ScaleTransform x:Name="MyAnimatedScaleTransform" CenterX="25" CenterY="25" ScaleX="1" ScaleY="1" />
                                        </Image.RenderTransform>
                                    </Image>
                                </DockPanel>
                            </DataTemplate>
                        </ListView.ItemTemplate>
                        <ListView.Triggers>
                            <EventTrigger RoutedEvent="ListView.SelectionChanged">
                                <BeginStoryboard Name="myBeginStoryboard">
                                    <Storyboard>
                                        <DoubleAnimation Storyboard.Target="{Binding MyAnimatedScaleTransform}" Storyboard.TargetProperty="(ScaleTransform.ScaleX)" To="1.5" Duration="0:0:0.25" AutoReverse="True" />
                                        <DoubleAnimation Storyboard.Target="{Binding MyAnimatedScaleTransform}" Storyboard.TargetProperty="(ScaleTransform.ScaleY)" To="1.5" Duration="0:0:0.25" AutoReverse="True"/>
                                    </Storyboard>
                                </BeginStoryboard>
                            </EventTrigger>
                        </ListView.Triggers>
                    </ListView>

Answer 1

我发现DataTemplate中的控制器无法访问，因此我将我的cod Xaml更改为：

 <ListView.ItemTemplate>
                        <DataTemplate>
                            <DockPanel>
                                <TextBlock DockPanel.Dock="Bottom" Text="{Binding Name}"/>
                                <Image x:Name="Img" Source="{Binding Source}" Height="128" Width="128" Focusable="True">
                                    <Image.RenderTransform>
                                        <ScaleTransform x:Name="MyAnimatedScaleTransform" CenterX="25" CenterY="25" ScaleX="1" ScaleY="1" />
                                    </Image.RenderTransform>
                                    <Image.Triggers>
                                        <EventTrigger RoutedEvent="Image.MouseDown">
                                            <BeginStoryboard Name="myBeginStoryboard">
                                                <Storyboard>
                                                    <DoubleAnimation Storyboard.TargetName="MyAnimatedScaleTransform" Storyboard.TargetProperty="(ScaleTransform.ScaleX)" To="1.5" Duration="0:0:0.25" AutoReverse="True" />
                                                    <DoubleAnimation Storyboard.TargetName="MyAnimatedScaleTransform" Storyboard.TargetProperty="(ScaleTransform.ScaleY)" To="1.5" Duration="0:0:0.25" AutoReverse="True"/>
                                                </Storyboard>
                                            </BeginStoryboard>
                                        </EventTrigger>
                                    </Image.Triggers>
                                </Image>
                            </DockPanel>
                        </DataTemplate>
                    </ListView.ItemTemplate>

现在我已经回到了我的主要问题，当我在第一个动画结束（反向）之前第二次点击图像时，图像不会恢复到原始尺寸。

＆＃39; ScaleTransform＆＃39;在System.Windows.Controls.ListView＆＃39; System.Windows.Controls.ListView＆＃39;的名称范围内找不到名称。

1 个答案: