回答編集履歴
2
見直しキャンペーン中
answer
CHANGED
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@@ -1,5 +1,5 @@
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1
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`ControlStoryboardAction`を`DataTrigger`でキックすればいいでしょう。
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2
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[ControlStoryboardAction · microsoft/XamlBehaviorsWpf Wiki](https://github.com/microsoft/XamlBehaviorsWpf/wiki/ControlStoryboardAction)
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2
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を`DataTrigger`でキックすればいいでしょう。
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3
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4
4
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VMからどう動かすかわからないので、雑にタイマーでランダムに動かしました。
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5
5
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データの持ち方（`HorizontalAlignment`等）はご一考ください。
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1
見直しキャンペーン中
answer
CHANGED
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@@ -1,158 +1,158 @@
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1
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-
[ControlStoryboardAction · microsoft/XamlBehaviorsWpf Wiki](https://github.com/microsoft/XamlBehaviorsWpf/wiki/ControlStoryboardAction)
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2
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を`DataTrigger`でキックすればいいでしょう。
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3
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-
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VMからどう動かすかわからないので、雑にタイマーでランダムに動かしました。
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5
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データの持ち方（HorizontalAlignment等）はご一考ください。
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-
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```
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<Window
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x:Class="Questions300617.Views.MainWindow"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:behaviors="http://schemas.microsoft.com/xaml/behaviors"
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xmlns:l="http://schemas.livet-mvvm.net/2011/wpf"
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xmlns:vm="clr-namespace:Questions300617.ViewModels"
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Width="500"
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Height="150">
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<Window.DataContext>
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<vm:MainWindowViewModel />
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</Window.DataContext>
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<Window.Resources>
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<Storyboard x:Key="LR1">
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<DoubleAnimation
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Storyboard.TargetName="rect"
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Storyboard.TargetProperty="(Canvas.Left)"
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To="10"
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Duration="0:0:0.5" />
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</Storyboard>
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<Storyboard x:Key="LR2">
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<DoubleAnimation
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Storyboard.TargetName="rect"
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Storyboard.TargetProperty="(Canvas.Left)"
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To="70"
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Duration="0:0:0.5" />
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</Storyboard>
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<Storyboard x:Key="LR3">
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<DoubleAnimation
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Storyboard.TargetName="rect"
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Storyboard.TargetProperty="(Canvas.Left)"
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To="130"
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Duration="0:0:0.5" />
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</Storyboard>
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<Storyboard x:Key="UD1">
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<DoubleAnimation
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Storyboard.TargetName="rect"
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Storyboard.TargetProperty="(Canvas.Top)"
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To="20"
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Duration="0:0:0.5" />
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</Storyboard>
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<Storyboard x:Key="UD2">
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<DoubleAnimation
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Storyboard.TargetName="rect"
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Storyboard.TargetProperty="(Canvas.Top)"
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To="40"
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Duration="0:0:0.5" />
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</Storyboard>
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<Storyboard x:Key="UD3">
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<DoubleAnimation
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Storyboard.TargetName="rect"
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Storyboard.TargetProperty="(Canvas.Top)"
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To="60"
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Duration="0:0:0.5" />
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</Storyboard>
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</Window.Resources>
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<behaviors:Interaction.Triggers>
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<behaviors:EventTrigger EventName="ContentRendered">
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<l:LivetCallMethodAction MethodName="Initialize" MethodTarget="{Binding}" />
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</behaviors:EventTrigger>
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<behaviors:EventTrigger EventName="Closed">
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<l:DataContextDisposeAction />
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</behaviors:EventTrigger>
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<behaviors:DataTrigger Binding="{Binding HorizontalAlignment}" Value="Left">
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<behaviors:ControlStoryboardAction Storyboard="{StaticResource LR1}" />
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</behaviors:DataTrigger>
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<behaviors:DataTrigger Binding="{Binding HorizontalAlignment}" Value="Center">
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<behaviors:ControlStoryboardAction Storyboard="{StaticResource LR2}" />
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</behaviors:DataTrigger>
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<behaviors:DataTrigger Binding="{Binding HorizontalAlignment}" Value="Right">
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<behaviors:ControlStoryboardAction Storyboard="{StaticResource LR3}" />
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</behaviors:DataTrigger>
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<behaviors:DataTrigger Binding="{Binding VerticalAlignment}" Value="Top">
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<behaviors:ControlStoryboardAction Storyboard="{StaticResource UD1}" />
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</behaviors:DataTrigger>
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<behaviors:DataTrigger Binding="{Binding VerticalAlignment}" Value="Center">
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<behaviors:ControlStoryboardAction Storyboard="{StaticResource UD2}" />
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</behaviors:DataTrigger>
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<behaviors:DataTrigger Binding="{Binding VerticalAlignment}" Value="Bottom">
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<behaviors:ControlStoryboardAction Storyboard="{StaticResource UD3}" />
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</behaviors:DataTrigger>
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</behaviors:Interaction.Triggers>
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<Grid>
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<Canvas>
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<Rectangle
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x:Name="rect"
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Canvas.Left="10"
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Canvas.Top="20"
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Width="40"
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Height="20"
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Fill="LightBlue"
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Stroke="DarkGray"
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StrokeThickness="2" />
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</Canvas>
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</Grid>
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</Window>
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```
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```
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using System;
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using System.Windows;
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using System.Windows.Threading;
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using Livet;
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namespace Questions300617.ViewModels
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{
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public class MainWindowViewModel : ViewModel
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{
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private readonly Random random = new Random();
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private DispatcherTimer timer;
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private HorizontalAlignment _HorizontalAlignment;
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public HorizontalAlignment HorizontalAlignment
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{
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get => _HorizontalAlignment;
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set => RaisePropertyChangedIfSet(ref _HorizontalAlignment, value);
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}
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private VerticalAlignment _VerticalAlignment;
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public VerticalAlignment VerticalAlignment
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{
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get => _VerticalAlignment;
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set => RaisePropertyChangedIfSet(ref _VerticalAlignment, value);
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}
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public void Initialize()
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{
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timer = new DispatcherTimer { Interval = TimeSpan.FromSeconds(1), };
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timer.Tick += (s, e) =>
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{
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if(random.Next(2) == 0)
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{
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HorizontalAlignment = (HorizontalAlignment)random.Next(3);
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}
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else
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{
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VerticalAlignment = (VerticalAlignment)random.Next(3);
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}
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};
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timer.Start();
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}
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}
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}
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157
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```
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1
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+
[ControlStoryboardAction · microsoft/XamlBehaviorsWpf Wiki](https://github.com/microsoft/XamlBehaviorsWpf/wiki/ControlStoryboardAction)
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2
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+
を`DataTrigger`でキックすればいいでしょう。
|
|
3
|
+
|
|
4
|
+
VMからどう動かすかわからないので、雑にタイマーでランダムに動かしました。
|
|
5
|
+
データの持ち方（`HorizontalAlignment`等）はご一考ください。
|
|
6
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+
|
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7
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+
```xml
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8
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<Window
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9
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x:Class="Questions300617.Views.MainWindow"
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10
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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11
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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12
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xmlns:behaviors="http://schemas.microsoft.com/xaml/behaviors"
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13
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xmlns:l="http://schemas.livet-mvvm.net/2011/wpf"
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14
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xmlns:vm="clr-namespace:Questions300617.ViewModels"
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15
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Width="500"
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Height="150">
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<Window.DataContext>
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<vm:MainWindowViewModel />
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</Window.DataContext>
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<Window.Resources>
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<Storyboard x:Key="LR1">
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24
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<DoubleAnimation
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25
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Storyboard.TargetName="rect"
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26
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Storyboard.TargetProperty="(Canvas.Left)"
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To="10"
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28
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Duration="0:0:0.5" />
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29
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</Storyboard>
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<Storyboard x:Key="LR2">
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31
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<DoubleAnimation
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Storyboard.TargetName="rect"
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33
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Storyboard.TargetProperty="(Canvas.Left)"
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To="70"
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35
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Duration="0:0:0.5" />
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36
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</Storyboard>
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<Storyboard x:Key="LR3">
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38
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<DoubleAnimation
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39
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Storyboard.TargetName="rect"
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40
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Storyboard.TargetProperty="(Canvas.Left)"
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To="130"
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42
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Duration="0:0:0.5" />
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43
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</Storyboard>
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44
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<Storyboard x:Key="UD1">
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45
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<DoubleAnimation
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46
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Storyboard.TargetName="rect"
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47
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Storyboard.TargetProperty="(Canvas.Top)"
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48
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To="20"
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49
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Duration="0:0:0.5" />
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50
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</Storyboard>
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51
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<Storyboard x:Key="UD2">
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52
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<DoubleAnimation
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53
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Storyboard.TargetName="rect"
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54
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Storyboard.TargetProperty="(Canvas.Top)"
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55
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To="40"
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56
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Duration="0:0:0.5" />
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57
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</Storyboard>
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58
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<Storyboard x:Key="UD3">
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59
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<DoubleAnimation
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60
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Storyboard.TargetName="rect"
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61
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Storyboard.TargetProperty="(Canvas.Top)"
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To="60"
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63
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Duration="0:0:0.5" />
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64
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</Storyboard>
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65
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</Window.Resources>
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66
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+
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67
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+
<behaviors:Interaction.Triggers>
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68
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<behaviors:EventTrigger EventName="ContentRendered">
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69
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<l:LivetCallMethodAction MethodName="Initialize" MethodTarget="{Binding}" />
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70
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</behaviors:EventTrigger>
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71
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<behaviors:EventTrigger EventName="Closed">
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72
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<l:DataContextDisposeAction />
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73
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</behaviors:EventTrigger>
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74
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+
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75
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<behaviors:DataTrigger Binding="{Binding HorizontalAlignment}" Value="Left">
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76
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<behaviors:ControlStoryboardAction Storyboard="{StaticResource LR1}" />
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77
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</behaviors:DataTrigger>
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78
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<behaviors:DataTrigger Binding="{Binding HorizontalAlignment}" Value="Center">
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79
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<behaviors:ControlStoryboardAction Storyboard="{StaticResource LR2}" />
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80
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</behaviors:DataTrigger>
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81
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<behaviors:DataTrigger Binding="{Binding HorizontalAlignment}" Value="Right">
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82
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<behaviors:ControlStoryboardAction Storyboard="{StaticResource LR3}" />
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83
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</behaviors:DataTrigger>
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84
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+
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85
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<behaviors:DataTrigger Binding="{Binding VerticalAlignment}" Value="Top">
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86
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<behaviors:ControlStoryboardAction Storyboard="{StaticResource UD1}" />
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87
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</behaviors:DataTrigger>
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88
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<behaviors:DataTrigger Binding="{Binding VerticalAlignment}" Value="Center">
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89
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<behaviors:ControlStoryboardAction Storyboard="{StaticResource UD2}" />
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90
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</behaviors:DataTrigger>
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91
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<behaviors:DataTrigger Binding="{Binding VerticalAlignment}" Value="Bottom">
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92
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<behaviors:ControlStoryboardAction Storyboard="{StaticResource UD3}" />
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93
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</behaviors:DataTrigger>
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94
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</behaviors:Interaction.Triggers>
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95
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+
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96
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+
<Grid>
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97
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<Canvas>
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98
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<Rectangle
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99
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x:Name="rect"
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100
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Canvas.Left="10"
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101
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Canvas.Top="20"
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102
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Width="40"
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103
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Height="20"
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104
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Fill="LightBlue"
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105
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Stroke="DarkGray"
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106
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StrokeThickness="2" />
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107
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</Canvas>
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108
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</Grid>
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109
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</Window>
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110
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```
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111
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112
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```cs
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113
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using System;
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114
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+
using System.Windows;
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115
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+
using System.Windows.Threading;
|
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116
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+
using Livet;
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|
117
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+
|
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118
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+
namespace Questions300617.ViewModels
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119
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+
{
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120
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public class MainWindowViewModel : ViewModel
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121
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+
{
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122
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+
private readonly Random random = new Random();
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123
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+
private DispatcherTimer timer;
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124
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+
|
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125
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+
private HorizontalAlignment _HorizontalAlignment;
|
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126
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+
public HorizontalAlignment HorizontalAlignment
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|
127
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+
{
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128
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+
get => _HorizontalAlignment;
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129
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+
set => RaisePropertyChangedIfSet(ref _HorizontalAlignment, value);
|
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130
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+
}
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131
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+
|
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132
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+
private VerticalAlignment _VerticalAlignment;
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133
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+
public VerticalAlignment VerticalAlignment
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|
134
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+
{
|
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135
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+
get => _VerticalAlignment;
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136
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+
set => RaisePropertyChangedIfSet(ref _VerticalAlignment, value);
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137
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+
}
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138
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+
|
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139
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+
public void Initialize()
|
|
140
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+
{
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141
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+
timer = new DispatcherTimer { Interval = TimeSpan.FromSeconds(1), };
|
|
142
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+
timer.Tick += (s, e) =>
|
|
143
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+
{
|
|
144
|
+
if(random.Next(2) == 0)
|
|
145
|
+
{
|
|
146
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+
HorizontalAlignment = (HorizontalAlignment)random.Next(3);
|
|
147
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+
}
|
|
148
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+
else
|
|
149
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+
{
|
|
150
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+
VerticalAlignment = (VerticalAlignment)random.Next(3);
|
|
151
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+
}
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152
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+
};
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153
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+
timer.Start();
|
|
154
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+
}
|
|
155
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+
}
|
|
156
|
+
}
|
|
157
|
+
```
|
|
158
158
|
長いのでボタンは省略しましたが、あってもＯＫです。
|