<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/xx22nn</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; xx22nn]]></copyright><item><title><![CDATA[C# Chart使用鼠标滚轮中心放大、缩小和平移曲线]]></title><link>https://blog.youkuaiyun.com/xx22nn/article/details/123248525</link><guid>https://blog.youkuaiyun.com/xx22nn/article/details/123248525</guid><author>xx22nn</author><pubDate>Thu, 03 Mar 2022 11:01:16 +0800</pubDate><description><![CDATA[C# Chart使用鼠标滚轮中心放大、缩小和平移曲线,质量分析SPC,直方图,折线图]]></description><category></category></item><item><title><![CDATA[请启动 Automation Licese Manager安装许可证并获得此计算机上许可证总览。]]></title><link>https://blog.youkuaiyun.com/xx22nn/article/details/121938310</link><guid>https://blog.youkuaiyun.com/xx22nn/article/details/121938310</guid><author>xx22nn</author><pubDate>Tue, 14 Dec 2021 19:39:28 +0800</pubDate><description><![CDATA[请启动 Automation Licese Manager安装许可证并获得此计算机上许可证总览]]></description><category></category></item><item><title><![CDATA[西门子与施耐德Modbus RTU通信协议不同]]></title><link>https://blog.youkuaiyun.com/xx22nn/article/details/116829921</link><guid>https://blog.youkuaiyun.com/xx22nn/article/details/116829921</guid><author>xx22nn</author><pubDate>Sat, 15 May 2021 08:48:34 +0800</pubDate><description><![CDATA[如今施耐德与西门子大家用的挺多,同样的协议,却不完全一样,蛋疼的协议如下:

施耐德M241比较符合通用协议,如下


站号,功能号,地址高低 数据个数高 低 校验
01,    03,    00,C8,  00,70,     C5,D0,

写入时:站号,功能号,地址高低, 数据个数高低,----- 校验
01 10 00 C8 00 70 E0 ,数据00 70个字,校验

而西门子协议如下:西门子MB server


写1站号00地址
29,序号,0,0,0,6,1...]]></description><category></category></item><item><title><![CDATA[栈内存和堆内存的区别]]></title><link>https://blog.youkuaiyun.com/xx22nn/article/details/108972553</link><guid>https://blog.youkuaiyun.com/xx22nn/article/details/108972553</guid><author>xx22nn</author><pubDate>Fri, 09 Oct 2020 09:14:33 +0800</pubDate><description><![CDATA[1 栈：为编译器自动分配和释放，如函数参数、局部变量、临时变量等等
2 堆：为成员分配和释放，由程序员自己申请、自己释放。否则发生内存泄露。典型为使用new申请的堆内容。
3 静态存储区：内存在程序编译的时候就已经分配好，这块内存在程序的整个运行期间都存在。它主要存放静态数据、全局数据和常量。

转自：栈内存和堆内存的区别（一个笔试题的一部分）http://blog.youkuaiyun.com/richerg85/article/details/19175133


笔试题目：请解释一个栈内存与一个堆内存的区别，请分]]></description><category></category></item><item><title><![CDATA[C# 线程语句锁lock]]></title><link>https://blog.youkuaiyun.com/xx22nn/article/details/103230163</link><guid>https://blog.youkuaiyun.com/xx22nn/article/details/103230163</guid><author>xx22nn</author><pubDate>Sun, 24 Nov 2019 22:29:56 +0800</pubDate><description><![CDATA[lock(静态私有字段)

static object lockObjStatic = new object();
    object lockObj = new object();
    public void test()
    {
      object lockObjtemp = new object();
     ...]]></description><category></category></item><item><title><![CDATA[如何对控件做二次缓冲]]></title><link>https://blog.youkuaiyun.com/xx22nn/article/details/90047113</link><guid>https://blog.youkuaiyun.com/xx22nn/article/details/90047113</guid><author>xx22nn</author><pubDate>Thu, 09 May 2019 20:24:56 +0800</pubDate><description><![CDATA[在winform中如何对控件做二次缓冲（double buffer）

在winform中控件渲染如果很耗时的话，我们可以对控件做二次缓冲（double buffer）。

有两种方法可供选择

第一个方法是设置控件的DoubleBuffered属性，需要注意这一属性是私有的，要设置此属性需要使用反射。


public static void SetDoubleBuffered(System.W...]]></description><category></category></item><item><title><![CDATA[dataGridView滚动时刷新慢]]></title><link>https://blog.youkuaiyun.com/xx22nn/article/details/90046809</link><guid>https://blog.youkuaiyun.com/xx22nn/article/details/90046809</guid><author>xx22nn</author><pubDate>Thu, 09 May 2019 20:08:03 +0800</pubDate><description><![CDATA[//作者：奔跑的QQEE
  //来源：优快云
  https://blog.youkuaiyun.com/qq_33712555/article/details/84108588
  //版权声明：本文为博主原创文章，转载请附上博文链接！

  解决办法：利用System.Reflection缓冲刷新


  public static class DataGridView_C...]]></description><category></category></item><item><title><![CDATA[资源管理器去掉bitlocker菜单]]></title><link>https://blog.youkuaiyun.com/xx22nn/article/details/89390762</link><guid>https://blog.youkuaiyun.com/xx22nn/article/details/89390762</guid><author>xx22nn</author><pubDate>Thu, 18 Apr 2019 23:38:09 +0800</pubDate><description><![CDATA[如下注册表修改AppliesTo的值最后一个值True改为False

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\Drive\shell\encrypt-bde-elev]
"AppliesTo"="(System.Volume.BitLockerProtection:=System.Volume.BitLockerProte...]]></description><category></category></item><item><title><![CDATA[windows10去除资源管理器快速访问文件夹]]></title><link>https://blog.youkuaiyun.com/xx22nn/article/details/89344315</link><guid>https://blog.youkuaiyun.com/xx22nn/article/details/89344315</guid><author>xx22nn</author><pubDate>Tue, 16 Apr 2019 22:56:23 +0800</pubDate><description><![CDATA[修改注册表,首先修改其所在的目录的权限,获得权限之后,修改Attributes=a0600000重启动资源管理器之后就可以

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\CLSID\{679f85cb-0220-4080-b29b-5540cc05aab6}\ShellFolder]
"Attributes"=dword:a06...]]></description><category></category></item><item><title><![CDATA[windows自带备份驱动]]></title><link>https://blog.youkuaiyun.com/xx22nn/article/details/89320394</link><guid>https://blog.youkuaiyun.com/xx22nn/article/details/89320394</guid><author>xx22nn</author><pubDate>Mon, 15 Apr 2019 20:46:18 +0800</pubDate><description><![CDATA[mdD:\MyDrivers

dism /online /export-driver /destination:D:\MyDrivers

也可以直接复制出来

C:\Windows\System32\DriverStore\FileRepository
]]></description><category></category></item><item><title><![CDATA[windows server 2019 无线网络 服务安装段落无效]]></title><link>https://blog.youkuaiyun.com/xx22nn/article/details/89317264</link><guid>https://blog.youkuaiyun.com/xx22nn/article/details/89317264</guid><author>xx22nn</author><pubDate>Mon, 15 Apr 2019 17:57:07 +0800</pubDate><description><![CDATA[windows server 2019安装无线驱动时总是提示inf服务安装段落无效

此时需要首先安装如下组件:

配置此本地服务器&gt;&gt;添加角色和功能


无线LAN服务

网络负载平衡

消息队列
...]]></description><category></category></item><item><title><![CDATA[win10和Win2012---2019资源管理去掉烦人的文件夹]]></title><link>https://blog.youkuaiyun.com/xx22nn/article/details/89316941</link><guid>https://blog.youkuaiyun.com/xx22nn/article/details/89316941</guid><author>xx22nn</author><pubDate>Mon, 15 Apr 2019 17:42:34 +0800</pubDate><description><![CDATA[Windows Registry Editor Version 5.00
;如需还原去除上语句前减号即可
;取消我的电脑"视频"文件夹
[-HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\MyComputer\NameSpace\{f86fa3ab-70d2-4fc7-9c99-fcbf05467f3a}]...]]></description><category></category></item><item><title><![CDATA[Win10和Win2012-2019开机启动添加程序]]></title><link>https://blog.youkuaiyun.com/xx22nn/article/details/89316918</link><guid>https://blog.youkuaiyun.com/xx22nn/article/details/89316918</guid><author>xx22nn</author><pubDate>Mon, 15 Apr 2019 17:40:32 +0800</pubDate><description><![CDATA[在资源管理地址栏输入,回车后显示启动文件夹,每次开机时 自动运行程序:

elorer %USERPROFILE%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup


]]></description><category></category></item></channel></rss>