Silverlight 用DependencyProperty 自定义ImageButton控件 定义属性
为ImageButton自定义IconSource和Contents属性
xaml代码
<UserControl x:Class="SilverlightCreate.SilverlightButtons"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d"
d:DesignHeight="30" d:DesignWidth="100"> <Grid x:Name="LayoutRoot" Background="Transparent">
<StackPanel x:Name="myButton" Orientation="Horizontal" >
<Image x:Name="myImg" Stretch="None" />
<TextBlock x:Name="myText" VerticalAlignment="Center" FontSize="13" Padding="5" />
</StackPanel>
<Rectangle x:Name="myRectangle" Margin="-3" />
</Grid>
</UserControl>
下面开始自定义属性内容，自定义属性要用 依赖属性类 DependencyProperty
public static readonly DependencyProperty MyPropertyProperty =
DependencyProperty.Register("MyProperty", typeof(int), typeof(ownerclass), new UIPropertyMetadata(0));
DependencyProperty 的Register 方法中有四个参数，第一个是自定的属性，第二个自定义属性的参数类型，第三个是自定义属性所属类，第四个是属性元数据的实例，参数类型是PropertyMetadata。
使用vs2010的小技巧，生成依赖属性可以输入propdp，然后按两下Tab键，就会自动生成如下代码
cs代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.Windows.Media.Imaging; namespace SilverlightCreate
{
public partial class SilverlightButtons : UserControl
{
public SilverlightButtons()
{
InitializeComponent();
} /// <summary>
/// 自定义控件文本
/// </summary>
public string Contents
{
get { return (string)GetValue(ContentsProperty); }
set { SetValue(ContentsProperty, value); }
} /// <summary>
/// 自定义控件图片
/// </summary>
public ImageSource IconSource
{
get { return (ImageSource)GetValue(IconSourceProperty); }
set { SetValue(IconSourceProperty, value); }
} /// <summary>
/// 自定义控件背景色
/// </summary>
public Brush ButtonBackGround
{
get { return (SolidColorBrush)GetValue(ButtonBackGroundProperty); }
set { SetValue(ButtonBackGroundProperty, value); }
} /// <summary>
/// 自定义控件文字颜色
/// </summary>
public Brush FontColor
{
get { return (Brush)GetValue(FontColorProperty); }
set { SetValue(FontColorProperty, value); }
} /// <summary>
/// 自定义控件边框默认颜色
/// </summary>
public Brush DefaultStroke
{
get { return (Brush)GetValue(DefaultStrokeProperty); }
set { SetValue(DefaultStrokeProperty, value); }
} /// <summary>
/// 自定义控件边框高亮颜色
/// </summary>
public Brush HighLightStroke
{
get { return (Brush)GetValue(HighLightStrokeProperty); }
set { SetValue(HighLightStrokeProperty, value); }
} /// <summary>
/// 自定义控件填充默认颜色
/// </summary>
public Brush DefaultFill
{
get { return (Brush)GetValue(DefaultFillProperty); }
set { SetValue(DefaultFillProperty, value); }
} /// <summary>
/// 自定义控件填充高亮颜色
/// </summary>
public Brush HighLightFill
{
get { return (Brush)GetValue(HighLightFillProperty); }
set { SetValue(HighLightFillProperty, value); }
} /// <summary>
/// 自定义控件边框厚度
/// </summary>
public double StrokeThickness
{
get { return (double)GetValue(StrokeThicknessProperty); }
set { SetValue(StrokeThicknessProperty, value); }
} /// <summary>
/// 自定控件边框圆角x
/// </summary>
public double RadiusX
{
get { return (double)GetValue(RadiusXProperty); }
set { SetValue(RadiusXProperty, value); }
} /// <summary>
/// 自定控件边框圆角y
/// </summary>
public double RadiusY
{
get { return (double)GetValue(RadiusYProperty); }
set { SetValue(RadiusYProperty, value); }
} public static readonly DependencyProperty ContentsProperty =
DependencyProperty.Register("Contents", typeof(string), typeof(SilverlightButtons), new PropertyMetadata(ContentsChanged)); private static void ContentsChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
SilverlightButtons button = sender as SilverlightButtons;
if (button != null)
{
if (e.NewValue != null)
{
String NewValue = e.NewValue as String;
button.myText.Text = NewValue;
}
}
else
{
button.myText.Text = String.Empty;
}
} public static readonly DependencyProperty IconSourceProperty =
DependencyProperty.Register("IconSource", typeof(ImageSource), typeof(SilverlightButtons), new PropertyMetadata(IconSourceSourceChanged)); private static void IconSourceSourceChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
SilverlightButtons button = sender as SilverlightButtons;
if (button != null)
{
if (e.NewValue != null)
{
ImageSource source = e.NewValue as ImageSource;
button.myImg.Source = source;
}
}
else
{
button.myImg.Source = null;
}
} public static readonly DependencyProperty ButtonBackGroundProperty =
DependencyProperty.Register("ButtonBackGround", typeof(Brush), typeof(SilverlightButtons), new PropertyMetadata(ButtonBackGroundChanged)); private static void ButtonBackGroundChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
SilverlightButtons button = sender as SilverlightButtons;
if (button != null)
{
if (e.NewValue != null)
{
SolidColorBrush brush = e.NewValue as SolidColorBrush;
button.myButton.Background = brush;
}
}
else
{
button.myButton.Background = null;
}
} public static readonly DependencyProperty FontColorProperty =
DependencyProperty.Register("FontColor", typeof(Brush), typeof(SilverlightButtons), new PropertyMetadata(FontColorChanged)); private static void FontColorChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
SilverlightButtons button = sender as SilverlightButtons;
if (button != null)
{
if (e.NewValue != null)
{
SolidColorBrush brush = e.NewValue as SolidColorBrush;
button.myText.Foreground = brush;
}
}
else
button.myText.Foreground = null;
} public static readonly DependencyProperty DefaultStrokeProperty =
DependencyProperty.Register("DefaultStroke", typeof(Brush), typeof(SilverlightButtons), new PropertyMetadata(DefaultStrokeChanged)); private static void DefaultStrokeChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
SilverlightButtons button = sender as SilverlightButtons;
if (button != null)
{
if (e.NewValue != null)
{
button.myRectangle.Stroke = e.NewValue as Brush;
}
}
else
{
button.myRectangle.Stroke = new SolidColorBrush(Colors.Transparent);
}
} public static readonly DependencyProperty HighLightStrokeProperty =
DependencyProperty.Register("HighLightStroke", typeof(Brush), typeof(SilverlightButtons), new PropertyMetadata(HighLightStrokeChanged)); private static void HighLightStrokeChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
SilverlightButtons button = sender as SilverlightButtons;
if (button != null)
{
if (e.NewValue != null)
{
button.myRectangle.Stroke = e.NewValue as Brush;
}
}
else
{
button.myRectangle.Stroke = null;
}
} public static readonly DependencyProperty DefaultFillProperty =
DependencyProperty.Register("DefaultFill", typeof(Brush), typeof(SilverlightButtons), new PropertyMetadata(DefaultFillChanged)); private static void DefaultFillChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
SilverlightButtons button = sender as SilverlightButtons;
if (button != null)
{
if (e.NewValue != null)
{
button.myRectangle.Fill = e.NewValue as Brush;
}
}
else
{
button.myRectangle.Fill = new SolidColorBrush(Colors.Transparent);
}
} public static readonly DependencyProperty HighLightFillProperty =
DependencyProperty.Register("HighLightFill", typeof(Brush), typeof(SilverlightButtons), new PropertyMetadata(HighLightFillChanged)); private static void HighLightFillChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
SilverlightButtons button = sender as SilverlightButtons;
if (button != null)
{
if (e.NewValue != null)
{
button.myRectangle.Fill = e.NewValue as Brush;
}
}
else
{
button.myRectangle.Fill = null;
}
} public static readonly DependencyProperty StrokeThicknessProperty =
DependencyProperty.Register("StrokeThickness", typeof(double), typeof(SilverlightButtons), new PropertyMetadata(StrokeThicknessChanged)); private static void StrokeThicknessChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
SilverlightButtons button = sender as SilverlightButtons;
if (button != null)
{
if (e.NewValue != null)
{
button.myRectangle.StrokeThickness = Convert.ToDouble(e.NewValue);
}
}
else
{
button.myRectangle.StrokeThickness = 1;
}
} public static readonly DependencyProperty RadiusXProperty =
DependencyProperty.Register("RadiusX", typeof(double), typeof(SilverlightButtons), new PropertyMetadata(RadiusXChanged)); private static void RadiusXChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
SilverlightButtons button = sender as SilverlightButtons;
if (button != null)
{
if (e.NewValue != null)
{
button.myRectangle.RadiusX = Convert.ToDouble(e.NewValue);
}
}
else
{
button.myRectangle.RadiusX = 0;
}
} public static readonly DependencyProperty RadiusYProperty =
DependencyProperty.Register("RadiusY", typeof(double), typeof(SilverlightButtons), new PropertyMetadata(RadiusYChanged)); private static void RadiusYChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
SilverlightButtons button = sender as SilverlightButtons;
if (button != null)
{
if (e.NewValue != null)
{
button.myRectangle.RadiusY = Convert.ToDouble(e.NewValue);
}
}
else
{
button.myRectangle.RadiusY = 0;
}
} }
}
自定义控件做好后就可以运用该控件了，如下图，鼠标移上去会出现边框
xaml代码
<UserControl x:Class="SilverlightCreate.CustomControl"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:custom="clr-namespace:SilverlightCreate"
mc:Ignorable="d"
d:DesignHeight="300" d:DesignWidth="400"> <Grid x:Name="LayoutRoot" Background="#007F48">
<StackPanel Orientation="Horizontal" Height="30" HorizontalAlignment="Center">
<custom:SilverlightButtons x:Name="btnManyou" Contents="漫游" FontColor="White" IconSource="images/tool_manyou.png" ToolTipService.ToolTip="漫游" Margin="5" MouseMove="btnManyou_MouseMove" MouseLeave="btnManyou_MouseLeave" />
<custom:SilverlightButtons x:Name="btnDraw" Contents="重画" FontColor="White" IconSource="images/tool_chonghua.png" ToolTipService.ToolTip="重画" Margin="5" MouseMove="btnDraw_MouseMove" MouseLeave="btnDraw_MouseLeave" />
</StackPanel>
</Grid>
</UserControl>
cs代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes; namespace SilverlightCreate
{
public partial class CustomControl : UserControl
{
public CustomControl()
{
InitializeComponent();
} private void btnManyou_MouseMove(object sender, MouseEventArgs e)
{
ShowBorder(btnManyou);
} private void btnManyou_MouseLeave(object sender, MouseEventArgs e)
{
HideBorder(btnManyou);
} private void btnDraw_MouseMove(object sender, MouseEventArgs e)
{
ShowBorder(btnDraw);
} private void btnDraw_MouseLeave(object sender, MouseEventArgs e)
{
HideBorder(btnDraw);
} private void ShowBorder(SilverlightButtons button)
{
button.StrokeThickness = ;
button.HighLightStroke = new SolidColorBrush(Colors.White);
button.RadiusX = ;
button.RadiusY = ;
} private void HideBorder(SilverlightButtons button)
{
button.StrokeThickness = ;
}
}
}
参考文章
https://social.msdn.microsoft.com/Forums/silverlight/en-US/630cade8-349d-410e-9039-3a4b74c56ac9/silverlight-4-custom-control-binding?forum=silverlightarchieve
相关文章
http://www.cnblogs.com/yayx/archive/2008/06/03/1213126.html
http://developer.51cto.com/art/201003/191692.htm
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