WPF -- 自定义控件 （UserControl）（二 下）
在 自定义控件 （UserControl）（二 上）中转载大神的一篇博文。通过一个UserControl例子主要介绍了User Control后台添加依赖项属性，路由事件以及命令的添加以及使用，这篇我主要介绍一下通过通过项目应用后的一些总结。
首先来分析一段前台代码：
///
/// 成员对象
///
public ObservableCollection MemberInfoData
{
get
{
return _MemberInfoData??(_MemberInfoData=new ObservableCollection());
}
set
{
_MemberInfoData = value; RaisePropertyChanged(() => MemberInfoData); RaisePropertyChanged(() => MemberCount);
RefreshUser();
}
} MemberInfoModel.cs
using System;using System.Collections.Generic;using System.Linq;using System.Text;using Telewave.CompositeOperations.Model.BusinessModel.Base;using Telewave.CompositeOperations.Model.BusinessModel.UserInfo;namespace Telewave.CompositeOperations.Model.BusinessModel{ public class MemberInfoModel: HeadImgBaseModel { public MemberInfoModel(UserInfoModel model):base() { UserId = model.UserId; LoginId = model.LoginId; UserName = model.Name; HeadImageSource = model.HeadImg; OrgId = model.OrgId; OrgName = model.OrgName; Role = model.Roles; TelNumber = model.Mobile; switch(Role) { case "2": ShowRoles = "指挥员"; break; case "3": ShowRoles = "成员"; break; } } public MemberInfoModel() { } private string _UserId; /// /// 用户id（GUID） /// public string UserId { get { return _UserId; } set { _UserId = value;RaisePropertyChanged(() => UserId); } } private string _LoginId; /// /// 登陆ID（警号） /// public string LoginId { get { return _LoginId; } set { _LoginId = value; RaisePropertyChanged(() => LoginId); } } private string _Tips; /// /// /// public string Tips { get { return _Tips; } set { _Tips = value; RaisePropertyChanged(() => Tips); } } private string _Role; /// /// 角色 /// public string Role { get { return _Role; } set { _Role = value; RaisePropertyChanged(() => Role); } } private string _TelNumber; /// /// 电话 /// public string TelNumber { get { return _TelNumber; } set { _TelNumber = value; RaisePropertyChanged(() => _TelNumber); } } /// /// 部门名称 /// private string _OrgName; public string OrgName { get { return _OrgName; } set { _OrgName = value; RaisePropertyChanged(() => OrgName); } } private string _ShowRoles; /// /// 作战室角色 /// public string ShowRoles { get { return _ShowRoles; } set { _ShowRoles = value; RaisePropertyChanged(() => ShowRoles); } } private string _OrgId; /// /// 部门编号 /// public string OrgId { get { return _OrgId; } set { _OrgId = value; RaisePropertyChanged(() => OrgId); } } private bool _AllowDelete = true; public bool AllowDelete { get { return _AllowDelete; } set { _AllowDelete = value; RaisePropertyChanged(() => AllowDelete); } } private bool _IsSelected; public bool IsSelected { get { return _IsSelected; } set { _IsSelected = value; RaisePropertyChanged(() => IsSelected); } } private bool _AllowSelected; public bool AllowSelected { get { return _AllowSelected; } set { _AllowSelected = value; RaisePropertyChanged(() => AllowSelected); } } private string _UsersScores="0"; /// /// 作战室成员打分与成员顺序对应 /// public string UsersScores { get { return _UsersScores; } set { _UsersScores = value; RaisePropertyChanged(() => UsersScores); } } }}
大概需求就是展示群组人员信息的一个列表。
一般展示列表，首先想到的是用ListBox控件，当然可以实现，但是这里的这个列表中内容较多，还又一个打分图框操作（已实现），用ListBox自定义控件实现起来会比较麻烦，而且这个列表中的一些内容已经有过实现，综合考虑，最后还是用ItemsControl ，通过数据模板展示MemberInfoModel对象，数据模板的内容用到UserControl(用户控件)。
可以看到，数据模板的内容是名为
SummaryScoreResource 的一个UserControl,SummaryScoreResource 中的UserName，OrgName等属性都是通过绑定DataContext.UserName,ElementName=ResourceGrid 对应的属性绑定的。
后台操作：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace Telewave.CompositeOperations.Views.IMViews
{
///
/// SummaryScoreResource.xaml 的交互逻辑
///
public partial class SummaryScoreResource : UserControl
{
public SummaryScoreResource()
{
InitializeComponent();
}
#region 单例
private static SummaryScoreResource _instance;
public static SummaryScoreResource Instance
{
get
{
if (_instance == null)
{
_instance = new SummaryScoreResource();
}
return _instance;
}
}
#endregion
///
/// 姓名
///
public string UserName
{
get { return (string)GetValue(UserNameProperty); }
set { SetValue(UserNameProperty, value); }
}
///
/// 提示信息(部门)
///
public string OrgName
{
get { return (string)GetValue(OrgNameProperty); }
set { SetValue(OrgNameProperty, value); }
}
///
/// 图片路径
///
public string ImageSource
{
get
{
return (string)GetValue(ImageSourceProperty);
}
set
{
SetValue(ImageSourceProperty, value);
}
}
///
/// 登录名（警号)
///
public string LoginId
{
get { return (string)GetValue(LoginIdProperty); }
set { SetValue(LoginIdProperty, value); }
}
///
/// 用户id(guid)
///
public string UserId
{
get { return (string)GetValue(UserIdProperty); }
set { SetValue(UserIdProperty, value); }
}
///
/// 评分间隔值
///
public string Increment
{
get { return (string)GetValue(IncrementProperty); }
set { SetValue(IncrementProperty, value); }
}
public static readonly DependencyProperty IncrementProperty =
DependencyProperty.Register("Increment", typeof(string), typeof(SummaryScoreResource),
new FrameworkPropertyMetadata(string.Empty,
FrameworkPropertyMetadataOptions.AffectsRender));
///
/// 最大值
///
public string MaxValue
{
get { return (string)GetValue(MaxValueProperty); }
set { SetValue(MaxValueProperty, value); }
}
public static readonly DependencyProperty MaxValueProperty =
DependencyProperty.Register("MaxValue", typeof(string), typeof(SummaryScoreResource),
new FrameworkPropertyMetadata(string.Empty,
FrameworkPropertyMetadataOptions.AffectsRender));
///
/// 最小值
///
public string MinValue
{
get { return (string)GetValue(MinValueProperty); }
set { SetValue(MinValueProperty, value); }
}
public static readonly DependencyProperty MinValueProperty =
DependencyProperty.Register("MinValue", typeof(string), typeof(SummaryScoreResource),
new FrameworkPropertyMetadata(string.Empty,
FrameworkPropertyMetadataOptions.AffectsRender));
///
/// 评分值
///
public string Value
{
get { return (string)GetValue(ValueProperty); }
set { SetValue(ValueProperty, value); }
}
public static readonly DependencyProperty ValueProperty =
DependencyProperty.Register("Value", typeof(string), typeof(SummaryScoreResource),
new FrameworkPropertyMetadata(string.Empty,
FrameworkPropertyMetadataOptions.AffectsRender));
///
/// 状态颜色
///
public Brush Colors
{
get { return (Brush)GetValue(ColorsProperty); }
set { SetValue(ColorsProperty, value); }
}
public static readonly DependencyProperty ColorsProperty = DependencyProperty.Register("Colors"
, typeof(Brush), typeof(SummaryScoreResource), new FrameworkPropertyMetadata(new SolidColorBrush(Color.FromRgb(40, 139, 225))));
///
/// 初始评分
///
public string Score
{
get { return (string)GetValue(ScoreProperty); }
set { SetValue(ScoreProperty, value); }
}
public static readonly DependencyProperty ScoreProperty =
DependencyProperty.Register("Score", typeof(string), typeof(SummaryScoreResource),
new FrameworkPropertyMetadata(string.Empty,
FrameworkPropertyMetadataOptions.AffectsRender));
public static readonly DependencyProperty LoginIdProperty =
DependencyProperty.Register("LoginId", typeof(string), typeof(SummaryScoreResource),
new FrameworkPropertyMetadata(string.Empty,
FrameworkPropertyMetadataOptions.AffectsRender));
public static readonly DependencyProperty UserIdProperty =
DependencyProperty.Register("UserId", typeof(string), typeof(SummaryScoreResource),
new FrameworkPropertyMetadata(string.Empty,
FrameworkPropertyMetadataOptions.AffectsRender));
public static readonly DependencyProperty UserNameProperty =
DependencyProperty.Register("UserName", typeof(string), typeof(SummaryScoreResource), new FrameworkPropertyMetadata(string.Empty,new PropertyChangedCallback(ImageSourcePropertyChangedCallback)));
public static readonly DependencyProperty ImageSourceProperty =
DependencyProperty.Register("ImageSource", typeof(string), typeof(SummaryScoreResource),
new FrameworkPropertyMetadata(string.Empty,
FrameworkPropertyMetadataOptions.AffectsRender));
public static readonly DependencyProperty OrgNameProperty =
DependencyProperty.Register("OrgName", typeof(string), typeof(SummaryScoreResource),
new FrameworkPropertyMetadata(string.Empty,
FrameworkPropertyMetadataOptions.AffectsRender));
private static void ImageSourcePropertyChangedCallback(DependencyObject sender, DependencyPropertyChangedEventArgs arg)
{
}
}
}
SummaryScoreResource.xaml