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C#を一行も書かずにボタンクリックでWindowを閉じる

Last updated at Posted at 2016-12-22

コードビハインドは書きたくないけどわざわざ自分でAction作るのも面倒。
ということで出来合いのものでなんとかします。
System.Windows.Interactivity.dllとMicrosoft.Expression.Interactions.dllを参照に入れておいて、

<Button>
    閉じる
    <i:Interaction.Triggers>
        <i:EventTrigger EventName="Click">
            <is:CallMethodAction MethodName="Close"
                                 TargetObject="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=Window}}"/>
        </i:EventTrigger>
    </i:Interaction.Triggers>
</Button>

EventTriggerでクリックイベントを拾ってCallMethodActionでCloseを呼びます。

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