[英]Windows Phone-cannot declare instance members in a static class in C#
嗨,我是Windows phone development
新手,我做一些練習來學習如何開發。 我嘗試使用ContactManager類獲取設備的聯系人,但出現此錯誤:
無法在靜態類“ Contact Manager”中聲明實例成員
我的課程不是static
課程,為什么它仍然顯示此錯誤?
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.WindowsRuntime;
using Windows.ApplicationModel.Contacts;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;
// The Blank Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=402352&clcid=0x409
namespace App2
{
/// <summary>
/// An empty page that can be used on its own or navigated to within a Frame.
/// </summary>
public sealed partial class MainPage : Page
{
public MainPage()
{
this.InitializeComponent();
}
private void button_Click(object sender, RoutedEventArgs e)
{
mytextblock.Text = "Hi";
}
public void GetContacts()
{
ContactManager theContactManager = new ContactManager();
foreach (Contact theContact in theContactManager.GetContactCollection())
{
string theLine = theContact.Names[0].FormattedName;
foreach (PhoneNumber theNumber in theContact.PhoneNumbers)
theLine += "\t" + theNumber.ToString();
listBox1.Items.Add(theLine);
//Console.WriteLine(theLine); //Uncomment this if on console
}
}
}
}
是的,它是靜態的: public static class ContactManager
。
單擊“ C#”以查看聲明: https : //msdn.microsoft.com/zh-cn/library/windows/apps/windows.applicationmodel.contacts.contactmanager.aspx?cs-save-lang=1&cs-lang=csharp #code-snippet-1
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