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[英]How to set the mouse over trigger in custom MenuItem Control of WPF?
[英]The Mouse Over trigger is not working on wpf button control
鼠標懸停觸發器不適用於wpf按鈕控件。 我想在鼠標懸停在其上時更改按鈕的背景和前景。
<Button.Style>
<Style TargetType="{x:Type Button}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type Button}">
<Border Background="{TemplateBinding Background}" BorderBrush="Black" BorderThickness="1">
<ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/>
</Border>
</ControlTemplate>
</Setter.Value>
<Style.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="Background">
<Setter.Value>
<LinearGradientBrush EndPoint="1,0.5" StartPoint="0,0.5">
<GradientStop Color="#FFF2E32F" Offset="0" />
<GradientStop Color="#FF45E815" Offset="1" />
</LinearGradientBrush>
</Setter.Value>
</Setter>
<Setter Property="Foreground" Value="White"/>
</Trigger>
</Style.Triggers>
</Style>
</Button.Style>
已編輯
我添加了模板,但它只是刪除了按鈕默認的MouseOver觸發器,並且沒有發生我想要的前景和背景樣式。
我從這里找到了可行的解決方案。 如下定義按鈕內部的樣式:
<Button.Style>
<Style TargetType="{x:Type Button}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type Button}">
<Border Background="{TemplateBinding Background}" BorderBrush="Black" BorderThickness="1">
<ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
<Style.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="Background">
<Setter.Value>
<LinearGradientBrush EndPoint="1,0.5" StartPoint="0,0.5">
<GradientStop Color="#FFF2E32F" Offset="0" />
<GradientStop Color="#FF45E815" Offset="1" />
</LinearGradientBrush>
</Setter.Value>
</Setter>
<Setter Property="Foreground" Value="White"/>
</Trigger>
</Style.Triggers>
</Style>
</Button.Style>
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