c# 删除指定日期的log文件

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;

namespace Delete_Logs
{
    public partial class Deletelogs : Form
    {
        public Deletelogs（）
        {
            InitializeComponent（）;
        }
        private void monthCalendar1_DateChanged（object sender DateRangeEventArgs e）
        {
            tbdeleteday.Text = monthCalendar1.Selectionstart.ToShortDateString（）;
        }

        private void btdelete_Click（object sender EventArgs e）
        {
            int deleteyear = monthCalendar1.Selectionstart.Year;
            int deletemonth = monthCalendar1.SelectionStar

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

     文件        187  2016-09-29 18:57  Delete Logs\Delete Logs\App.config

     文件      17408  2016-10-08 17:34  Delete Logs\Delete Logs\bin\Debug\Delete Logs.exe

     文件        187  2016-09-29 18:57  Delete Logs\Delete Logs\bin\Debug\Delete Logs.exe.config

     文件      24064  2016-10-08 17:34  Delete Logs\Delete Logs\bin\Debug\Delete Logs.pdb

     文件      22984  2016-10-08 17:33  Delete Logs\Delete Logs\bin\Debug\Delete Logs.vshost.exe

     文件        187  2016-09-29 18:57  Delete Logs\Delete Logs\bin\Debug\Delete Logs.vshost.exe.config

     文件        490  2010-03-17 22:39  Delete Logs\Delete Logs\bin\Debug\Delete Logs.vshost.exe.manifest

     文件       2862  2016-10-08 17:18  Delete Logs\Delete Logs\bin\Debug\删除.ico

     文件       4056  2016-10-08 17:21  Delete Logs\Delete Logs\Delete Logs.csproj

     文件       4883  2016-10-08 17:33  Delete Logs\Delete Logs\Form1.cs

     文件       3988  2016-10-08 17:33  Delete Logs\Delete Logs\Form1.Designer.cs

     文件      10409  2016-10-08 17:33  Delete Logs\Delete Logs\Form1.resx

     文件        864  2016-10-08 17:34  Delete Logs\Delete Logs\obj\Debug\Delete Logs.csproj.FileListAbsolute.txt

     文件        975  2016-10-08 17:34  Delete Logs\Delete Logs\obj\Debug\Delete Logs.csproj.GenerateResource.Cache

     文件      17408  2016-10-08 17:34  Delete Logs\Delete Logs\obj\Debug\Delete Logs.exe

     文件      24064  2016-10-08 17:34  Delete Logs\Delete Logs\obj\Debug\Delete Logs.pdb

     文件       3428  2016-10-08 17:34  Delete Logs\Delete Logs\obj\Debug\Delete_Logs.Deletelogs.resources

     文件        180  2016-10-08 17:34  Delete Logs\Delete Logs\obj\Debug\Delete_Logs.Properties.Resources.resources

     文件       1308  2016-09-30 09:09  Delete Logs\Delete Logs\obj\Debug\DesignTimeResolveAssemblyReferences.cache

     文件       7124  2016-10-08 17:33  Delete Logs\Delete Logs\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件          0  2016-09-29 18:57  Delete Logs\Delete Logs\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs

     文件          0  2016-09-29 18:57  Delete Logs\Delete Logs\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs

     文件          0  2016-09-29 18:57  Delete Logs\Delete Logs\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs

     文件        528  2016-09-29 18:58  Delete Logs\Delete Logs\Program.cs

     文件       1342  2016-09-29 18:57  Delete Logs\Delete Logs\Properties\AssemblyInfo.cs

     文件       2874  2016-09-29 18:57  Delete Logs\Delete Logs\Properties\Resources.Designer.cs

     文件       5612  2016-09-29 18:57  Delete Logs\Delete Logs\Properties\Resources.resx

     文件       1098  2016-09-29 18:57  Delete Logs\Delete Logs\Properties\Settings.Designer.cs

     文件        249  2016-09-29 18:57  Delete Logs\Delete Logs\Properties\Settings.settings

     文件       2862  2016-10-08 17:18  Delete Logs\Delete Logs\删除.ico

............此处省略14个文件信息