ListView(一)

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ListView(一)
在WPF中，ListView是一个非常强大的控件，我们用几次来说，并且控照MSDN上的Sample来说明。下面先看第一个Sample。
ListView Sample1：
这个例子显示两个GirdView，一个是xaml中绑定的，一个是通过cs中动态生成的。
XAML文件：
从xaml文件中可以看到开头是一个，它定义了一个资源文件，它是定义数据源的提供者（ObjectDataProvider）。文件名为EmployeeInfoDataSource，它是指向ds名命空间下的myEmployees类，这个名命空间是由xmlns:ds="clr-namespace:SDKSample"来完成指向的，类myEmployees是ds下的一个类名。下面就着重看< ListView >。在标签中有个ItemsSource="{Binding Source=                             {StaticResource EmployeeInfoDataSource}，这是把资源文件中的数据引入到ListView的ItemsSource文件中。
AllowsColumnReorder=”true”是充许GridView的标题栏左右拖动。ColumnHeaderToolTip="Employee Information"是设定鼠标停放在GirdView的标题栏上是显示的内容。接下来定义GridView的Bind字段。 是表示一个新的GridView的Column显示Bind的字段为FirstName，并且字段的标题栏显示为“First Name”。其他字段类似。
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:ds="clr-namespace:SDKSample" x:Class="SDKSample.Window1"
Loaded="OnLoad">

ObjectType="{x:Type ds:myEmployees}"/>










HorizontalAlignment="Center">
ListView created with XAML




ColumnHeaderToolTip="Employee Information">
"{Binding Path=FirstName}"
Header="First Name" Width="100"/>
"{Binding Path=LastName}"
Header="Last Name" Width="100"/>
"{Binding Path=EmployeeNumber}"
Header="Employee No." Width="100"/>




HorizontalAlignment="Center">
ListView created with Code

HorizontalAlignment="Center">



在CS代码中共有三个类，其中EmployeeInfo和myEmployees是用来绑定数据的。其中myEmployess继承了EmployeeInfo。Window1是动态生成一个GridView。
CS代码：
using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.Collections.ObjectModel;
namespace SDKSample
{
///
/// Interaction logic for Window1.xaml
///
public partial class Window1 : Window
{
void OnLoad(object sender, RoutedEventArgs e)
{
ListView myListView = new ListView();
GridView myGridView = new GridView();
myGridView.AllowsColumnReorder = true;
myGridView.ColumnHeaderToolTip = "Employee Information";
GridViewColumn gvc1 = new GridViewColumn();
gvc1.DisplayMemberBinding = new Binding("FirstName");
gvc1.Header = "FirstName";
gvc1.Width = 100;
myGridView.Columns.Add(gvc1);
GridViewColumn gvc2 = new GridViewColumn();
gvc2.DisplayMemberBinding = new Binding("LastName");
gvc2.Header = "Last Name";
gvc2.Width = 100;
myGridView.Columns.Add(gvc2);
GridViewColumn gvc3 = new GridViewColumn();
gvc3.DisplayMemberBinding = new Binding("EmployeeNumber");
gvc3.Header = "Employee No.";
gvc3.Width = 100;
myGridView.Columns.Add(gvc3);
//ItemsSource is ObservableCollection of EmployeeInfo objects
myListView.ItemsSource = new myEmployees();
myListView.View = myGridView;
myStackPanel.Children.Add(myListView);
}
}
public class EmployeeInfo
{
private string _firstName;
private string _lastName;
private string _employeeNumber;
public string FirstName
{
get {return _firstName;}
set {_firstName = value;}
}
public string LastName
{
get {return _lastName;}
set {_lastName = value;}
}
public string EmployeeNumber
{
get {return _employeeNumber;}
set {_employeeNumber = value;}
}
public EmployeeInfo(string firstname, string lastname, string empnumber)
{
_firstName = firstname;
_lastName = lastname;
_employeeNumber = empnumber;
}
}
public class myEmployees :
ObservableCollection
{
public myEmployees()
{
Add(new EmployeeInfo("Jesper", "Aaberg", "12345"));
Add(new EmployeeInfo("Dominik", "Paiha", "98765"));
Add(new EmployeeInfo("Yale", "Li", "23875"));
Add(new EmployeeInfo("Muru", "Subramani", "49392"));
}
}
}
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