WPF虚拟键盘

using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Windows;
using System.Diagnostics;

namespace keyboard
{
    /// 

    /// App.xaml 的交互逻辑
    /// 

    public partial class App : Application
    {
        protected override void onstartup（StartupEventArgs e）
        {
            Process thisProc = Process.GetCurrentProcess（）;
          
            if （Process.GetProcessesByName（thisProc.ProcessName）.Length > 1）
            {
               
               // MessageBox.Show（“Application is already running.“）;
                Application.Current.Shutdown（）;
                return;
            }

            base.onstartup（e）;

        }
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

    ..A..H.     87552  2016-12-19 16:20  wpf 触控虚拟键盘，支持中英文切换\keyboard\.vs\keyboard\v14\.suo

     文件        144  2012-11-27 15:45  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\app.config

     文件        319  2012-11-23 11:11  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\App.xaml

     文件        795  2012-11-26 16:08  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\App.xaml.cs

     文件      46592  2016-11-02 11:57  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\bin\Debug\keyboard.exe

     文件        144  2012-11-27 15:45  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\bin\Debug\keyboard.exe.config

     文件      42496  2016-11-02 11:57  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\bin\Debug\keyboard.pdb

     文件      22696  2016-12-19 16:20  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\bin\Debug\keyboard.vshost.exe

     文件        144  2012-11-27 15:45  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\bin\Debug\keyboard.vshost.exe.config

     文件        490  2010-03-17 22:39  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\bin\Debug\keyboard.vshost.exe.manifest

     文件      14336  2012-11-27 09:19  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\bin\Debug\MouseKeyboardLibrary.dll

     文件       1362  2016-11-01 13:46  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\Images\check.png

     文件       4744  2015-01-20 11:59  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\keyboard.csproj

     文件      48748  2016-11-02 11:57  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\MainWindow.xaml

     文件      19586  2016-11-01 18:10  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\MainWindow.xaml.cs

     文件       2310  2016-11-02 11:57  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\obj\x86\Debug\App.g.cs

     文件       2310  2016-12-19 16:20  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\obj\x86\Debug\App.g.i.cs

     文件       9082  2015-01-20 13:57  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache

     文件       7471  2016-12-19 16:20  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件        486  2012-12-03 11:25  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\obj\x86\Debug\GenerateResource.read.1.tlog

     文件       1562  2012-12-03 11:25  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\obj\x86\Debug\GenerateResource.write.1.tlog

     文件       9352  2016-12-19 16:20  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\obj\x86\Debug\keyboard.csproj.FileListAbsolute.txt

     文件        919  2016-11-02 11:57  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\obj\x86\Debug\keyboard.csproj.GenerateResource.Cache

     文件       8821  2016-11-02 11:57  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\obj\x86\Debug\keyboard.csprojResolveAssemblyReference.cache

     文件      46592  2016-11-02 11:57  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\obj\x86\Debug\keyboard.exe

     文件        180  2012-11-27 15:46  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\obj\x86\Debug\keyboard.form1.resources

     文件      27229  2016-11-02 11:57  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\obj\x86\Debug\keyboard.g.resources

     文件      42496  2016-11-02 11:57  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\obj\x86\Debug\keyboard.pdb

     文件        180  2016-11-02 11:57  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\obj\x86\Debug\keyboard.Properties.Resources.resources

     文件        528  2015-01-20 11:53  wpf 触控虚拟键盘，支持中英文切换\keyboard\keyboard\obj\x86\Debug\keyboard_Content.g.i.cs

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