如何更改按钮的背景图像上悬停和点击？ 在Visual Studio的UI似乎并没有提供这样做的任何简单的方法。 目前默认的行为似乎与纯色，它看起来aweful来代替我的形象。
所有我至今是按钮基地：
<Button Content="" Height="75" VerticalAlignment="Center" Width="75" HorizontalAlignment="Center" ClickMode="Press">
<Button.Background>
<ImageBrush ImageSource="../data/images/icons/skill_icon_0.png"/>
</Button.Background>
</Button>
我试图处理事件和手动设置，但它并不适用于工作压制/发行时间：
Button skillButton = new Button();
skillButton.Width = 75;
skillButton.Height = 75;
skillButton.ClickMode = ClickMode.Press;
skillButton.Background = GetIconImage(iconIndex, 0);
skillButton.PointerEntered +=
(object sender, Windows.UI.Xaml.Input.PointerEventArgs e) => {
skillButton.Background = GetIconImage(iconIndex, 1);
};
skillButton.PointerExited +=
(object sender, Windows.UI.Xaml.Input.PointerEventArgs e) => {
skillButton.Background = GetIconImage(iconIndex, 0);
};
skillButton.PointerPressed +=
(object sender, Windows.UI.Xaml.Input.PointerEventArgs e) => {
skillButton.Background = GetIconImage(iconIndex, 2);
};
skillButton.PointerReleased +=
(object sender, Windows.UI.Xaml.Input.PointerEventArgs e) => {
if (skillButton.FocusState == FocusState.Pointer)
skillButton.Background = GetIconImage(iconIndex, 1);
else skillButton.Background = GetIconImage(iconIndex, 0);
};
我结束了编辑控件模板只是创建和更改边框。 但它可以被用来改变形象了。
<Button Width="75" Height="75" ClickMode="Press">
<Button.Template>
<ControlTemplate TargetType="Button">
<Border x:Name="RootElement" CornerRadius="10" BorderThickness="2">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualStateGroup.Transitions>
<VisualTransition To="MouseOver" GeneratedDuration="0:0:0.1"/>
<VisualTransition To="Pressed" GeneratedDuration="0:0:0.1"/>
</VisualStateGroup.Transitions>
<VisualState x:Name="Normal" />
<VisualState x:Name="MouseOver">
<Storyboard>
<ColorAnimation Storyboard.TargetName="BorderBrush"
Storyboard.TargetProperty="Color"
To="Yellow" />
</Storyboard>
</VisualState>
<VisualState x:Name="Pressed">
<Storyboard>
<ColorAnimation Storyboard.TargetName="BorderBrush"
Storyboard.TargetProperty="Color"
To="Black"/>
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Border.BorderBrush>
<SolidColorBrush x:Name="BorderBrush" Color="White"/>
</Border.BorderBrush>
<Border.Background>
<ImageBrush ImageSource="ms-appx:/data/images/icons/skill_icon_0.png"/>
</Border.Background>
</Border>
</ControlTemplate>
</Button.Template>
</Button>
你几乎没有。 你总是可以适用于你的图片下面的文字/内容的顶部半透明的颜色，但既然你问了改变整个图像，这里是你可以做什么：
在Visual Studio 2012，如果你已经有了主要风格的按钮/配置你想要什么，右键单击它，编辑模板 - >编辑复制。 选择您想要把新的样式/模板。 这就像在捡放在哪里的CSS。 可能是一个全球性的文件（App.xaml中或StandardStyle.xaml），或在头部（页面资源）或在线（控制资源）。
下面的XAML可能过于简单化，而不是工作，但它是它的理念：
<ControlTemplate x:Key="MyButton" TargetType="Button">
<Grid>
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualState x:Name="Normal" />
<VisualState x:Name="PointerOver">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="HoverBackground"
Storyboard.TargetProperty="Visibility">
<DiscreteObjectKeyFrame KeyTime="0" Value="Visible" />
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Pressed">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="PressedBackground"
Storyboard.TargetProperty="Visibility">
<DiscreteObjectKeyFrame KeyTime="0" Value="Visible" />
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
[...]
</VisualStateGroup>
<VisualStateGroup x:Name="FocusStates">
[...]
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Border x:Name="Border" [...]>
<Grid>
<Image Source="[...]" Stretch="None" />
<Image x:Name="HoverBackground" Source="[...]" Visibility="Collapsed" />
<Image x:Name="PressedBackground" Source="[...]" Visibility="Collapsed" />
<ContentPresenter x:Name="ContentPresenter"
Content="{TemplateBinding Content}"
ContentTransitions="{TemplateBinding ContentTransitions}"
ContentTemplate="{TemplateBinding ContentTemplate}"
Margin="{TemplateBinding Padding}"
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
[...]/>
</Grid>
</Border>
[...]
</Grid>
</ControlTemplate>
现在，您可以将在3你3个图像<Image>标签和自ContentPresenter是在上面，当您使用的模板<Button Template="{StaticResource MyButton}">你仍然可以把内容，它就会出现你的背景图像的顶部。 或者，你可以有与图像的完全图形化的按钮了。
Windows用户界面工具包XAML现在有这个功能：
图像按钮，切换图像按钮
使用软件包管理器控制台命令“安装，包装winrtxamltoolkit”在Visual Studio 2012安装该工具包......这是很多东西真的很有用。
这里是开启和关闭您在混合添加一些额外的图像的可见性的样式。 这些图像是透明的，通过使用“发送到备份” ..所以换句话说，你用不同的背景图像画笔为每个按钮保持走按钮背景图像后面，再加上交换正常，指针，并压制图像。 所以两个背景图像覆盖。
<Style x:Key="qButtonStyle" TargetType="Button">
<Setter Property="Background" Value="{StaticResource ButtonBackgroundThemeBrush}" />
<Setter Property="Foreground" Value="{StaticResource ButtonForegroundThemeBrush}" />
<Setter Property="BorderBrush" Value="{StaticResource ButtonBorderThemeBrush}" />
<Setter Property="BorderThickness" Value="{StaticResource ButtonBorderThemeThickness}" />
<Setter Property="Padding" Value="4" />
<Setter Property="HorizontalAlignment" Value="Left" />
<Setter Property="VerticalAlignment" Value="Center" />
<Setter Property="FontFamily" Value="{StaticResource ContentControlThemeFontFamily}" />
<Setter Property="FontWeight" Value="SemiBold" />
<Setter Property="FontSize" Value="{StaticResource ControlContentThemeFontSize}" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="Button">
<Grid x:Name="grid">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualState x:Name="Normal" >
<Storyboard>
<DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="(UIElement.Opacity)" Storyboard.TargetName="imageNormal" d:IsOptimized="True"/>
</Storyboard>
</VisualState>
<VisualState x:Name="PointerOver">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(Border.BorderBrush)" Storyboard.TargetName="Border">
<DiscreteObjectKeyFrame KeyTime="0" Value="{x:Null}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(Border.BorderThickness)" Storyboard.TargetName="Border">
<DiscreteObjectKeyFrame KeyTime="0">
<DiscreteObjectKeyFrame.Value>
<Thickness>0</Thickness>
</DiscreteObjectKeyFrame.Value>
</DiscreteObjectKeyFrame>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)" Storyboard.TargetName="imageNormal">
<DiscreteObjectKeyFrame KeyTime="0">
<DiscreteObjectKeyFrame.Value>
<Visibility>Collapsed</Visibility>
</DiscreteObjectKeyFrame.Value>
</DiscreteObjectKeyFrame>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)" Storyboard.TargetName="imagePressed">
<DiscreteObjectKeyFrame KeyTime="0">
<DiscreteObjectKeyFrame.Value>
<Visibility>Collapsed</Visibility>
</DiscreteObjectKeyFrame.Value>
</DiscreteObjectKeyFrame>
</ObjectAnimationUsingKeyFrames>
<DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="(UIElement.Opacity)" Storyboard.TargetName="imagePointer" d:IsOptimized="True"/>
</Storyboard>
</VisualState>
<VisualState x:Name="Pressed">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Background"
Storyboard.TargetName="Border"/>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Foreground"
Storyboard.TargetName="ContentPresenter"/>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(Border.BorderBrush)" Storyboard.TargetName="Border">
<DiscreteObjectKeyFrame KeyTime="0" Value="{x:Null}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(Shape.Fill)" Storyboard.TargetName="FocusVisualWhite">
<DiscreteObjectKeyFrame KeyTime="0">
<DiscreteObjectKeyFrame.Value>
<SolidColorBrush Color="#7F006400"/>
</DiscreteObjectKeyFrame.Value>
</DiscreteObjectKeyFrame>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(Shape.Fill)" Storyboard.TargetName="FocusVisualBlack">
<DiscreteObjectKeyFrame KeyTime="0">
<DiscreteObjectKeyFrame.Value>
<SolidColorBrush Color="#7F006400"/>
</DiscreteObjectKeyFrame.Value>
</DiscreteObjectKeyFrame>
</ObjectAnimationUsingKeyFrames>
<DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="(UIElement.Opacity)" Storyboard.TargetName="imagePressed" d:IsOptimized="True"/>
<DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="(UIElement.Opacity)" Storyboard.TargetName="imagePointer" d:IsOptimized="True"/>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)" Storyboard.TargetName="imageNormal">
<DiscreteObjectKeyFrame KeyTime="0">
<DiscreteObjectKeyFrame.Value>
<Visibility>Collapsed</Visibility>
</DiscreteObjectKeyFrame.Value>
</DiscreteObjectKeyFrame>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)" Storyboard.TargetName="imagePointer">
<DiscreteObjectKeyFrame KeyTime="0">
<DiscreteObjectKeyFrame.Value>
<Visibility>Collapsed</Visibility>
</DiscreteObjectKeyFrame.Value>
</DiscreteObjectKeyFrame>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Disabled">
<Storyboard>
<DoubleAnimation Duration="0" To="0.25" Storyboard.TargetProperty="(UIElement.Opacity)" Storyboard.TargetName="grid" d:IsOptimized="True"/>
</Storyboard>
</VisualState>
</VisualStateGroup>
<VisualStateGroup x:Name="FocusStates">
<VisualState x:Name="Focused">
<Storyboard>
<DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity"
Storyboard.TargetName="FocusVisualWhite" />
<DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity"
Storyboard.TargetName="FocusVisualBlack" />
</Storyboard>
</VisualState>
<VisualState x:Name="Unfocused" />
<VisualState x:Name="PointerFocused" />
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Image x:Name="imagePointer" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Source="ms-appx:///Assets/btnBGPointer.png" Opacity="0"/>
<Image x:Name="imagePressed" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Source="ms-appx:///Assets/btnBGPressed.png" Opacity="0"/>
<Image x:Name="imageNormal" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Source="ms-appx:///Assets/bgButtonBase.png"/>
<Border x:Name="Border"
Background="{TemplateBinding Background}" Margin="3">
<ContentPresenter x:Name="ContentPresenter"
ContentTemplate="{TemplateBinding ContentTemplate}"
ContentTransitions="{TemplateBinding ContentTransitions}"
Content="{TemplateBinding Content}"
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
Margin="{TemplateBinding Padding}"
VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
</Border>
<Rectangle x:Name="FocusVisualWhite" IsHitTestVisible="False" Opacity="0"
StrokeDashOffset="1.5" StrokeEndLineCap="Square"
Stroke="{StaticResource FocusVisualWhiteStrokeThemeBrush}" StrokeDashArray="1,1" />
<Rectangle x:Name="FocusVisualBlack" IsHitTestVisible="False" Opacity="0"
StrokeDashOffset="0.5" StrokeEndLineCap="Square"
Stroke="{StaticResource FocusVisualBlackStrokeThemeBrush}" StrokeDashArray="1,1" />
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
使用此代码在Pointer_Entered事件的按钮，它会工作:)
private void Button_PointerEntered_1(object sender, PointerEventArgs e)
{
BitmapImage bmp = new BitmapImage();
Uri u = new Uri("ms-appx:/Images/Shapes/blueball.png", UriKind.RelativeOrAbsolute);
bmp.UriSource = u;
ImageBrush i = new ImageBrush();
i.ImageSource=bmp;
button.Background= i;
}
究其原因，+ =用于PointerPressed / PointerReleased不会在原始代码工作是因为按钮（实际上ButtonBase）类处理这些事件。 这是因为他们被合并到Click事件（上发布）。 如果您使用skillButton.AddHandler与第一个参数PointerPressedEvent，第二帕拉姆一个新的处理程序参照命名处理器，以及第三PARAM真实的，你可以使用PointerPressed而不是输入/已退出的事件。
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