質問編集履歴
1
解決策を追記
test
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File without changes
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test
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@@ -91,3 +91,69 @@
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91
91
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- Visual Studio 2019
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92
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93
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- Windows 10
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94
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95
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96
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97
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### 追記
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98
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99
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リソースに、ダミーのオブジェクトを置いて、そのプロパティ経由でアニメーションさせると、動作しました。
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100
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101
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DependencyObject のプロパティ経由じゃないとアニメーション出来ない仕様なんでしょうか……。
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102
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103
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104
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105
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```XAML
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106
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107
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<Window ...>
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108
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109
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<Window.Resources>
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110
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111
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<RotateTransform x:Key="MyAnimatedTransform" Angle="0" />
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112
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113
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<UIElement x:Key="MyAnimatedTransformHolder"
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114
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RenderTransform="{StaticResource MyAnimatedTransform}" />
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116
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117
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</Window.Resources>
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118
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119
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<StackPanel Margin="50">
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120
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121
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<Button HorizontalAlignment=" Left">
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122
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123
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Hello,World
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125
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<Button.Triggers>
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126
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127
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<EventTrigger RoutedEvent="Button.Click">
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128
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129
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<BeginStoryboard>
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130
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131
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<Storyboard>
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<DoubleAnimation
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Storyboard.Target="{StaticResource MyAnimatedTransformHolder}"
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Storyboard.TargetProperty="RenderTransform.(RotateTransform.Angle)"
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From="0.0" To="360" Duration="0:0:1" />
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</Storyboard>
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143
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</BeginStoryboard>
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144
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145
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</EventTrigger>
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146
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</Button.Triggers>
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148
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149
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</Button>
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150
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<Rectangle Fill="Red" RenderTransformOrigin="0.5,0.5" Width="100"
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152
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Height="200" RenderTransform="{StaticResource MyAnimatedTransform}" />
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154
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155
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</StackPanel>
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156
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</Window>
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```
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