wpf style入门 - - - 自制WPF的Button的Style,以及一些变化方案

自制的WPF中Button的Style

最近做的一个项目,主要是关注用户体验,所以视图层用到了WPF来增加用户使用时候的新鲜感,自然传统的控件样式是不能令人满意的,所以就自己做了一个Button的Style....

这个Style的功效...就是把我们平时见到的方形的Button

1.做成了一个圆形的(这个功能要做到蛮容易的)

2.这个圆形分两层,分别用渐变色表示(可调)

3.这个圆形的底层有一个背景(背景颜色必须填充,不知道为何 - - 其实我这个例子用不到这个颜色,不过没有那个Ellipse.Fill它就不让我编译通过)

4.这个圆形还有一个顶层,用来放入这个Button的Content

5.这个Button当鼠标移入移出时...可以渐变色(动画效果的)

6.这个Button当鼠标移入移出时...有光晕产生(同上、移出时是消失)——这个功能折腾了我一个小时的样子,因为最初的光晕是方形的...(原始Border的形状.....)

7.这个Button按下之后给用户一种按下去的感觉...

 

其实整个东西我们现在做的这套系统用不到上面所有的效果 - - 权当熟悉WPF的Style了...

 

把源码贴出来,分享一下吧 - - 我没查,不知道国内有没有这样的源码...

颜色很恶心,想要漂亮的请自己调整

还有Content的效果也能自己写一些Property加进去

就定义了三种常用事件,可以根据需要多添加一些事件进去

 

感谢楼下几位朋友的评论,我再补充一些吧

1、奇形怪状的Button

那就是只要你愿意,你将这个代码中的Ellipse替换一下(比如Polygon),你就可以做出各种形状的Button(比如五角星型)

还有,若是使用BLEND,就更加强大了,你只要在BLEND里手绘出一个图形,然后把那段代码替换进这个Style里面就能做出更加“怪异”的Button了。

还有一些其他的特性,比如其实最下层的那个Ellipse我没有用到,但是你可以通过变更它的大小和Opacity来做出一个三层的按钮

然后也可以添加一些特效(我这里的特效是outerGlowBitMapEffect——光晕),都是比较灵活的,只要把我这串代码的模式掌握了,基本上以后什么样的Button都可以信手拈来

2、如何在Button里放入图片(普通的Winform的Button直接就有这个属性,但是WPF的Button不支持)

    最简单的方案就是放入一个<ViewBox>,再在里面放入一个<Image>就可以。

3、特殊的Brush

    其实WPF中定义了不少的刷子,比如VisualBrush,ImageBrush,DrawingBrush,这些刷子要是使用得当可以有各种各样的功用,已经不仅仅局限于用在Button上了,当然,要是你希望把Button做个倒影,那就要使用VisualBrush了~

 

<!-- 定义按钮样式 -->
        
< Style  x:Key ="buttonTemplate"  TargetType ="Button"   >
            
<!-- 修改模板属性 -->
            
< Setter  Property ="Template" >
                
< Setter.Value >
                    
<!-- 控件模板 -->
                    
< ControlTemplate  TargetType ="Button" >
                        
<!-- 只有Grid才能装下这么多Child -->
                        
< Grid >
                            
<!-- 带特效的底层背景 -->
                            
< Border  x:Name ="back"  Opacity ="0.8"  CornerRadius ="2" >
                                
< Border.BitmapEffect >
                                    
< OuterGlowBitmapEffect  Opacity ="0.8"  GlowSize ="0"  GlowColor ="Red"   />
                                
</ Border.BitmapEffect >                                 
                                
< Ellipse  Width ="49"  Height ="49" >
                                    
< Ellipse.Fill >
                                        Red
                                    
</ Ellipse.Fill >
                                
</ Ellipse >
                            
<!-- 按钮呈圆形 -->
                            
</ Border >                             
                            
< Ellipse  x:Name ="outerCircle"  Width ="50"  Height ="50" >
                                
< Ellipse.Fill >
                                    
< LinearGradientBrush  StartPoint ="0,0"  EndPoint ="0,1" >
                                        
< GradientStop  Offset ="0"  Color ="DarkOliveGreen" />
                                        
< GradientStop  Offset ="1"  Color ="Azure" />
                                    
</ LinearGradientBrush >
                                
</ Ellipse.Fill >
                            
</ Ellipse >
                            
< Ellipse  Width ="40"  Height ="40" >
                                
< Ellipse.Fill >
                                    
< LinearGradientBrush  StartPoint ="0,0"  EndPoint ="0,1" >
                                        
< GradientStop  Offset ="0"  Color ="White" />
                                        
< GradientStop  Offset ="1"  Color ="Transparent" />
                                    
</ LinearGradientBrush >
                                
</ Ellipse.Fill >
                            
</ Ellipse >
                            
<!-- 按钮内容 -->
                            
< Border >                                 
                                
< TextBlock  x:Name ="content"  HorizontalAlignment ="Center"  VerticalAlignment ="Center"  Text =" {TemplateBinding  Content} " >
                                
</ TextBlock >
                            
</ Border >
                        
</ Grid >
                        
<!-- 触发器 -->
                        
< ControlTemplate.Triggers >
                            
< Trigger  Property ="Button.IsMouseOver"  Value ="True" >
                                
< Trigger.EnterActions >
                                    
< BeginStoryboard >
                                        
< Storyboard >
                                            
< DoubleAnimation  To ="10"  Duration ="0:0:0.2"  Storyboard.TargetName ="back"  Storyboard.TargetProperty ="(Border.BitmapEffect).(OuterGlowBitmapEffect.GlowSize)"   />
                                            
< ColorAnimation  To ="#4FFF"  BeginTime ="0:0:0.2"  Duration ="0:0:0.2"  Storyboard.TargetName ="outerCircle"  Storyboard.TargetProperty ="(Ellipse.Fill).(LinearGradientBrush.GradientStops)[0].(GradientStop.Color)"   />
                                            
< ColorAnimation  To ="#3FFF"  BeginTime ="0:0:0.2"  Duration ="0:0:0.2"  Storyboard.TargetName ="outerCircle"  Storyboard.TargetProperty ="(Ellipse.Fill).(LinearGradientBrush.GradientStops)[1].(GradientStop.Color)"   />
                                        
</ Storyboard >
                                    
</ BeginStoryboard >
                                
</ Trigger.EnterActions >
                                
< Trigger.ExitActions >
                                    
< BeginStoryboard >
                                        
< Storyboard >
                                            
< DoubleAnimation  Duration ="0:0:0.2"  Storyboard.TargetName ="back"  Storyboard.TargetProperty ="(Border.BitmapEffect).(OuterGlowBitmapEffect.GlowSize)"   />
                                            
< ColorAnimation  Duration ="0:0:0.2"  Storyboard.TargetName ="outerCircle"  Storyboard.TargetProperty ="(Ellipse.Fill).(LinearGradientBrush.GradientStops)[0].(GradientStop.Color)"   />
                                            
< ColorAnimation  Duration ="0:0:0.2"  Storyboard.TargetName ="outerCircle"  Storyboard.TargetProperty ="(Ellipse.Fill).(LinearGradientBrush.GradientStops)[1].(GradientStop.Color)"   />
                                        
</ Storyboard >
                                    
</ BeginStoryboard >
                                
</ Trigger.ExitActions >
                            
</ Trigger >
                            
< Trigger  Property ="Button.IsPressed"  Value ="True" >
                                
< Setter  Property ="RenderTransform" >
                                    
< Setter.Value >
                                        
< ScaleTransform  ScaleX =".9"  ScaleY =".9" />
                                    
</ Setter.Value >
                                
</ Setter >
                                
< Setter  Property ="RenderTransformOrigin"  Value =".5,.5" />
                            
</ Trigger >
                        
</ ControlTemplate.Triggers >
                    
</ ControlTemplate >
                
</ Setter.Value >
            
</ Setter >
        
</ Style >

 

注:本人使用VS2008时,有时XAML设计器会报错,但是能够编译通过,所以有些情况下无视就好,估计是MS的小BUG....

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