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可以做到這一點嗎?當發生驗證錯誤時,我想設置IsMouseOver。觸發器觸發器
<Style x:Key="textBoxInError"
TargetType="{x:Type TextBox}">
<Style.Triggers>
<Trigger Property="Validation.HasError"
Value="true">
<Setter Property="ToolTip"
Value="{Binding RelativeSource={x:Static RelativeSource.Self},
Path=(Validation.Errors)[0].ErrorContent}" />
<Setter Property="BorderThickness"
Value="3" />
<Setter Property="BorderBrush"
Value="Red" />
<Trigger Property="IsMouseOver"
Value="True">
<Setter Property="BorderBrush"
Value="Red" />
</Trigger>
</Trigger>
</Style.Triggers>
</Style>