Silverlight的皮肤转换和datagrid数据显示

1 文件安排

 

2 引用添加

3 MainPage.xaml文件

<UserControl
    xmlns:data="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Data"  x:Class="datagrid.MainPage"
    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:DesignWidth="640" d:DesignHeight="480">
    <Grid x:Name="LayoutRoot">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
        </Grid.RowDefinitions>
        <ComboBox Name="selecttheme" Width="200"  SelectionChanged="ComboBox_SelectionChanged" >
        </ComboBox>
        <data:DataGrid x:Name="datagrid" AutoGenerateColumns="True" Grid.Row="1"/>
    </Grid>
</UserControl>

4 MainPage.xaml.cs文件

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.Controls.Theming;

namespace datagrid
{
    public partial class MainPage : UserControl
    {
        public MainPage()
        {
            InitializeComponent();
            selecttheme.Items.Add(new ComboBoxItem() { Name = "ExpressionDark", Content = "ExpressionDark", DataContext = "themes/ExpressionDark.xaml", IsEnabled = true,IsSelected=true });
            selecttheme.Items.Add((new ComboBoxItem() { Name = "BubbleCreme", Content = "BubbleCreme", DataContext = "themes/BubbleCreme.xaml", IsEnabled = true }));
            selecttheme.Items.Add((new ComboBoxItem() { Name = "ShinyBlue", Content = "ShinyBlue", DataContext = "themes/ShinyBlue.xaml", IsEnabled = true }));
            selecttheme.Items.Add((new ComboBoxItem() { Name = "ShinyRed", Content = "ShinyRed", DataContext = "themes/ShinyRed.xaml", IsEnabled = true }));
            datagrid.ItemsSource = Photo.GetPersonList();
        }

        private void ComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            SetTheme(selecttheme.SelectedItem as ComboBoxItem);
        }

        //设置相应的theme
        void SetTheme(ComboBoxItem comboBoxItem)
        {
            if (comboBoxItem != null)
            {
                Uri uri = new Uri(comboBoxItem.DataContext.ToString(), UriKind.Relative);
                ImplicitStyleManager.SetResourceDictionaryUri(LayoutRoot, uri);
                ImplicitStyleManager.SetApplyMode(LayoutRoot, ImplicitStylesApplyMode.Auto);
                ImplicitStyleManager.Apply(LayoutRoot);
                datagrid.ItemsSource = Photo.GetPersonList();
            }
        }
    }

    public class Photo
    {
        public int ID { get; set; }
        public int Width { get; set; }
        public int Height { get; set; }
        public bool IsColorful { get; set; }
        public DateTime CreateDate { get; set; }

        public Photo(int id, int width, int height, bool isColorful, DateTime createDate)
        {
            this.ID = id;
            this.Width = width;
            this.Height = height;
            this.IsColorful = isColorful;
            this.CreateDate = createDate;
        }

        public static List<Photo> GetPersonList()
        {
            List<Photo> phtoList = new List<Photo>();
            Photo p1 = new Photo(1001, 1024, 768, true, new DateTime(2008, 8, 8));
            Photo p2 = new Photo(1002, 800, 600, true, new DateTime(2008, 8, 9));
            Photo p3 = new Photo(1003, 1280, 1024, false, new DateTime(2008, 8, 10));
            Photo p4 = new Photo(1004, 320, 240, false, new DateTime(2008, 8, 11));
            Photo p5 = new Photo(1005, 800, 600, true, new DateTime(2008, 8, 13));
            Photo p6 = new Photo(1006, 600, 600, false, new DateTime(2008, 8, 14));
            phtoList.Add(p1);
            phtoList.Add(p2);
            phtoList.Add(p3);
            phtoList.Add(p4);
            phtoList.Add(p5);
            phtoList.Add(p6);
            return phtoList;
        }
    }
}

5.运行效果：

6 总结

6.1 隐式样式管理器ImplicitStyleManager

该类的使用方法，是在某个根元素上设置一个附加属性(Attached Property)，然后，该元素下属的视觉树里符合特定类型的子元素的样式，就可以被自动应用隐式样式了。

ApplyMode有三个可选值: None, OneTime和Auto
None: 不使用样式
OneTime: 在页面加载后接受一次指定的样式
Auto: 在运行时动态添加的控件也将会使用指定样式
因此Border在加载时会使用一次引入的主题样式