当鼠标悬停在按钮上时,我正在尝试更改默认边框颜色,但无法正常工作。我认为这会很好,但显然它没有:
<Button>
<Button.Resources>
<Color x:Key="ControlMouseOverColor">somecolor</Color>
</Button.Resources>
</Button>
有什么办法吗?
最佳答案
这是您需要做一些稍微复杂的事情才能在 WPF 中完成一些简单的事情的情况之一 :)。您实际上需要覆盖 Button 控件的 ControlTemplate,因为鼠标悬停在按钮上时的边框颜色由默认的 ControlTemplate 确定。下面是一个带有默认 CotrolTemplate 的按钮,减去 IsMouseOver setter 设置为红色:
<Button>
<Button.Template>
<ControlTemplate TargetType="{x:Type ButtonBase}">
<Border x:Name="border" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="True">
<ContentPresenter x:Name="contentPresenter" ContentTemplate="{TemplateBinding ContentTemplate}" Content="{TemplateBinding Content}" ContentStringFormat="{TemplateBinding ContentStringFormat}" Focusable="False" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="Button.IsDefaulted" Value="True">
<Setter Property="BorderBrush" TargetName="border" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/>
</Trigger>
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="Background" TargetName="border" Value="#FFBEE6FD"/>
<Setter Property="BorderBrush" TargetName="border" Value="Red"/>
</Trigger>
<Trigger Property="IsPressed" Value="True">
<Setter Property="Background" TargetName="border" Value="#FFC4E5F6"/>
<Setter Property="BorderBrush" TargetName="border" Value="#FF2C628B"/>
</Trigger>
<Trigger Property="ToggleButton.IsChecked" Value="True">
<Setter Property="Background" TargetName="border" Value="#FFBCDDEE"/>
<Setter Property="BorderBrush" TargetName="border" Value="#FF245A83"/>
</Trigger>
<Trigger Property="IsEnabled" Value="False">
<Setter Property="Background" TargetName="border" Value="#FFF4F4F4"/>
<Setter Property="BorderBrush" TargetName="border" Value="#FFADB2B5"/>
<Setter Property="TextElement.Foreground" TargetName="contentPresenter" Value="#FF838383"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Button.Template>
Click
</Button>
关于c# - 鼠标悬停按钮时无法更改边框颜色,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/33468523/