windows metro中Custom Control的开发和使用
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在windows metro应用程序开发中，如果想自己的应用程序更加个性独特，或者需要实现的控件windows并不自带，那么除了一些简单一些的可以使用User Control外，对于一些复杂的我们还可以使用Custom Control控件。但是，目前网上关于Custom Control的介绍很少，所以我今天向大家介绍一下这个控件的使用。
我们以大家最需要用到的ImageButton为例来介绍吧。。
首先新建一个模板化控件：
点击“添加”后，资源管理器中会生成一个ImageButton.cs和Themes/Generic.xaml文件。
打开ImageButton.cs，因为我们需要的ImageButton是Button类型的，所以修改其继承
我们希望的ImageButton应该是这样的：正常状态下是一个图片样式，鼠标移到上面的时候是一个图片样式，点击时又是一个图片样式，另外失效时还有一个图片样式，好的，开始继续完成代码：
public sealed class ImageButton : Button { public ImageButton() { this.DefaultStyleKey = typeof(ImageButton); } public ImageSource NormalSource { get { return (ImageSource)GetValue(NormalImageProperty); } set { SetValue(NormalImageProperty, value); } } public ImageSource PointerOverSource { get { return (ImageSource)GetValue(PointerOverImageProperty); } set { SetValue(PointerOverImageProperty, value); } } public ImageSource PressedSource { get { return (ImageSource)GetValue(PressedImageProperty); } set { SetValue(PressedImageProperty, value); } } public ImageSource DisabledSource { get { return (ImageSource)GetValue(DisabledImageProperty); } set { SetValue(DisabledImageProperty, value); } } #region//--------------------------------------------------------------------// public static readonly DependencyProperty NormalImageProperty = DependencyProperty.Register( "NormalSource", typeof(ImageSource), typeof(ImageButton), new PropertyMetadata(false, new PropertyChangedCallback(OnPropertyChanged)) ); public static readonly DependencyProperty PointerOverImageProperty = DependencyProperty.Register( "PointerOverSource", typeof(ImageSource), typeof(ImageButton), new PropertyMetadata(false, new PropertyChangedCallback(OnPropertyChanged)) ); public static readonly DependencyProperty PressedImageProperty = DependencyProperty.Register( "PressedSource", typeof(ImageSource), typeof(ImageButton), new PropertyMetadata(false, new PropertyChangedCallback(OnPropertyChanged)) ); public static readonly DependencyProperty DisabledImageProperty = DependencyProperty.Register( "DisabledSource", typeof(ImageSource), typeof(ImageButton), new PropertyMetadata(false, new PropertyChangedCallback(OnPropertyChanged)) ); private static void OnPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { } #endregion }首先头部添加ImageButton所在的路径，我的工程里，他被放在TemplateControl文件夹下
xmlns:templateControl="using:YukiiVideo.TemplateControl"><Style TargetType="templateControl:ImageButton"> <Setter Property="Background" Value="{StaticResource ButtonBackgroundThemeBrush}"/> <Setter Property="Foreground" Value="{StaticResource ButtonForegroundThemeBrush}"/> <Setter Property="BorderBrush" Value="{StaticResource ButtonBorderThemeBrush}"/> <Setter Property="BorderThickness" Value="0"/> <Setter Property="Padding" Value="12,4,12,4"/> <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="templateControl:ImageButton"> <Grid x:Name="conPanel" Background="Transparent" Height="{TemplateBinding Height}" Width="{TemplateBinding Width}" > <VisualStateManager.VisualStateGroups> <VisualStateGroup x:Name="CommonStates"> <VisualState x:Name="Normal"> <Storyboard> <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Visibility" Storyboard.TargetName="normal"> <DiscreteObjectKeyFrame KeyTime="0"> <DiscreteObjectKeyFrame.Value> <Visibility>Visible</Visibility> </DiscreteObjectKeyFrame.Value> </DiscreteObjectKeyFrame> </ObjectAnimationUsingKeyFrames> <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Visibility" Storyboard.TargetName="pointerOver"> <DiscreteObjectKeyFrame KeyTime="0"> <DiscreteObjectKeyFrame.Value> <Visibility>Collapsed</Visibility> </DiscreteObjectKeyFrame.Value> </DiscreteObjectKeyFrame> </ObjectAnimationUsingKeyFrames> <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Visibility" Storyboard.TargetName="press"> <DiscreteObjectKeyFrame KeyTime="0"> <DiscreteObjectKeyFrame.Value> <Visibility>Collapsed</Visibility> </DiscreteObjectKeyFrame.Value> </DiscreteObjectKeyFrame> </ObjectAnimationUsingKeyFrames> <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Visibility" Storyboard.TargetName="disable"> <DiscreteObjectKeyFrame KeyTime="0"> <DiscreteObjectKeyFrame.Value> <Visibility>Collapsed</Visibility> </DiscreteObjectKeyFrame.Value> </DiscreteObjectKeyFrame> </ObjectAnimationUsingKeyFrames> </Storyboard> </VisualState> <VisualState x:Name="PointerOver"> <Storyboard> <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Visibility" Storyboard.TargetName="normal"> <DiscreteObjectKeyFrame KeyTime="0"> <DiscreteObjectKeyFrame.Value> <Visibility>Collapsed</Visibility> </DiscreteObjectKeyFrame.Value> </DiscreteObjectKeyFrame> </ObjectAnimationUsingKeyFrames> <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Visibility" Storyboard.TargetName="pointerOver"> <DiscreteObjectKeyFrame KeyTime="0"> <DiscreteObjectKeyFrame.Value> <Visibility>Visible</Visibility> </DiscreteObjectKeyFrame.Value> </DiscreteObjectKeyFrame> </ObjectAnimationUsingKeyFrames> <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Visibility" Storyboard.TargetName="press"> <DiscreteObjectKeyFrame KeyTime="0"> <DiscreteObjectKeyFrame.Value> <Visibility>Collapsed</Visibility> </DiscreteObjectKeyFrame.Value> </DiscreteObjectKeyFrame> </ObjectAnimationUsingKeyFrames> <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Visibility" Storyboard.TargetName="disable"> <DiscreteObjectKeyFrame KeyTime="0"> <DiscreteObjectKeyFrame.Value> <Visibility>Collapsed</Visibility> </DiscreteObjectKeyFrame.Value> </DiscreteObjectKeyFrame> </ObjectAnimationUsingKeyFrames> </Storyboard> </VisualState> <VisualState x:Name="Pressed"> <Storyboard> <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Visibility" Storyboard.TargetName="normal"> <DiscreteObjectKeyFrame KeyTime="0"> <DiscreteObjectKeyFrame.Value> <Visibility>Collapsed</Visibility> </DiscreteObjectKeyFrame.Value> </DiscreteObjectKeyFrame> </ObjectAnimationUsingKeyFrames> <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Visibility" Storyboard.TargetName="pointerOver"> <DiscreteObjectKeyFrame KeyTime="0"> <DiscreteObjectKeyFrame.Value> <Visibility>Collapsed</Visibility> </DiscreteObjectKeyFrame.Value> </DiscreteObjectKeyFrame> </ObjectAnimationUsingKeyFrames> <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Visibility" Storyboard.TargetName="press"> <DiscreteObjectKeyFrame KeyTime="0"> <DiscreteObjectKeyFrame.Value> <Visibility>Visible</Visibility> </DiscreteObjectKeyFrame.Value> </DiscreteObjectKeyFrame> </ObjectAnimationUsingKeyFrames> <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Visibility" Storyboard.TargetName="disable"> <DiscreteObjectKeyFrame KeyTime="0"> <DiscreteObjectKeyFrame.Value> <Visibility>Collapsed</Visibility> </DiscreteObjectKeyFrame.Value> </DiscreteObjectKeyFrame> </ObjectAnimationUsingKeyFrames> </Storyboard> </VisualState> <VisualState x:Name="Disabled"> <Storyboard> <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Visibility" Storyboard.TargetName="normal"> <DiscreteObjectKeyFrame KeyTime="0"> <DiscreteObjectKeyFrame.Value> <Visibility>Collapsed</Visibility> </DiscreteObjectKeyFrame.Value> </DiscreteObjectKeyFrame> </ObjectAnimationUsingKeyFrames> <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Visibility" Storyboard.TargetName="pointerOver"> <DiscreteObjectKeyFrame KeyTime="0"> <DiscreteObjectKeyFrame.Value> <Visibility>Collapsed</Visibility> </DiscreteObjectKeyFrame.Value> </DiscreteObjectKeyFrame> </ObjectAnimationUsingKeyFrames> <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Visibility" Storyboard.TargetName="press"> <DiscreteObjectKeyFrame KeyTime="0"> <DiscreteObjectKeyFrame.Value> <Visibility>Collapsed</Visibility> </DiscreteObjectKeyFrame.Value> </DiscreteObjectKeyFrame> </ObjectAnimationUsingKeyFrames> <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Visibility" Storyboard.TargetName="disable"> <DiscreteObjectKeyFrame KeyTime="0"> <DiscreteObjectKeyFrame.Value> <Visibility>Visible</Visibility> </DiscreteObjectKeyFrame.Value> </DiscreteObjectKeyFrame> </ObjectAnimationUsingKeyFrames> </Storyboard> </VisualState> </VisualStateGroup> </VisualStateManager.VisualStateGroups> <Image x:Name="normal" Source="{TemplateBinding NormalSource}" Visibility="Visible" Stretch="None" Height="{Binding Height,ElementName=conPanel}" Width="{Binding Width,ElementName=conPanel}"> </Image> <Image x:Name="press" Source="{TemplateBinding PressedSource}" Visibility="Collapsed" Stretch="None" Height="{Binding Height,ElementName=conPanel}" Width="{Binding Width,ElementName=conPanel}"> </Image> <Image x:Name="disable" Source="{TemplateBinding DisabledSource}" Visibility="Collapsed" Stretch="None" Height="{Binding Height,ElementName=conPanel}" Width="{Binding Width,ElementName=conPanel}"> </Image> <Image x:Name="pointerOver" Source="{TemplateBinding PointerOverSource}" Visibility="Collapsed" Stretch="None" Height="{Binding Height,ElementName=conPanel}" Width="{Binding Width,ElementName=conPanel}"> </Image> </Grid> </ControlTemplate> </Setter.Value> </Setter> </Style>
注意<Style TargetType="templateControl:ImageButton">要将路径转到ImageButton上，所以修改local为templateControl，同样要修改Template节点下面的TargetType好的，到此时，我们在其他页面就可以调用这个控件了，让我们看看：
<template:ImageButton Width="40" Height="55" NormalSource="Image/Page/MainPage/options.png" PointerOverSource="Image/Page/MainPage/options_over.png" PressedSource="Image/Page/MainPage/options_pressed.png" DisabledSource="Image/Page/MainPage/options_disabled.png"/>
这样就能实现ImageButton你所需要的功能了，是不是很方便呢？
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