C#

Add reference System. Management;Reference namespace using System. Management;Public string GetDiskVolumeSerialNumber (){ ManagementClass mc = new ManagementClass ("Win32_NetworkAdapterConfiguration ");ManagementObject disk = new ManagementObject

Bug fixes1. The biggest bug is that when the square falls, it will fill up the hollow lattice and modify it.2. When "square" is rotated, it should not have any effect. The previous version will change the position.3. The previous version of the long

During this time, I was busy studying WinForm's scale and grid. The supervisor asked me to do the same thing as PowerDesigner. After some time of research, practice, and modification, I finally reached the standard. The Code is as follows. Using

To make your Winform more dazzling and beautiful, it is far from enough to have beautiful static parts such as the C # skin and background textures, you also need some dynamic support to make your program interface have a better user

In the previous non-dotNet era, VSS only generates a vssver. scc file. to cancel the VSS function, you only need to delete the file and change the file attribute to non-read-only.Recently, the VSS feature was used in dotNet, but there was a problem

Recently, I encountered a performance problem that is so frustrating. There is a table in the production environment with 0.7 million data records. The result shows that it takes 3.5 seconds to execute a statement, whether it is a query that matches

  1. DateTime numeric typeSystem. DateTime currentTime = new System. DateTime ();1.1 take the current year, month, day, hour, minute, secondCurrentTime = System. DateTime. Now;1.2 get current yearInt Year = currentTime. Year;1.3 take the current

  Create a class. The attributes in the class come from an xml file. The attribute name is the same as that of the xml node. Reflection is used to assign values to each attribute in order not to be judged one by one.       Class myclass { // Set

1.1.1 Summary C # is a strongly typed language. In general, we 'd better avoid forcibly converting a type to another type, but sometimes type conversion is inevitable. First, consider which operations can perform type conversion (skip the Parse

Some time ago, I was too busy to write blogs. Today I want to come and have a look at a wonderful function. First, assume that you have to deal with some existing code and use nullable (null type) variables. You must use this variable to compare

Delegate:Function pointer function (C ++). Unlike C ++, function pointers only point to static methods. ,The so-called delegate is to call the delegate function directly in the delegate method of our definition number instead of calling the preset

I encountered a printer problem at work, so I wanted to use the C # code to get the printer information. The Code is as follows:Private static PrintDocument fPrintDocument = new PrintDocument ();/// /// Fetch local printer name./// Public static

I haven't looked at object-oriented development for a long time. I have returned many conceptual things to books. Today I have posted some posts on some forums on google, follow the examples of high people to familiarize themselves with the

The structure is defined by the struct keyword. Similar to a class, it indicates the data structure that can contain data members and function members.In general, we seldom use the structure, and many people do not recommend the structure, but. NET

WebClient client = new WebClient (); client. headers. add ("Accept-Encoding", "gzip, deflate"); string sUrl = "http://www.sohu.com"; byte [] byteArray = client. downloadData (sUrl ); // Process gzip string sContentEncoding = client. ResponseHeaders [

The http://www.bkjia.com/kf/201110/107761.html specifies the CPU that can be specified when the thread is running, so that when one CPU is idle, another CPU can be computed while displaying two curves in the task manager, A sine curve and a cosine

Code compiling and running environment Visual Studio 2010. NET v4.0.30319 Using System;Using System. Collections. Generic;Using System. Linq;Using System. Text; Namespace DelegateUseInCommonClass{/// /// General generic classes are designed to

  See the following test code:   Object a = 11; Object B = 11;   Console. WriteLine (a = B); // output false In actual development, it may not be so intuitive. For example, in the following scenario, we need to check whether the fields in

  In the previous article, "diy dns queryer: Understanding the DNS protocol" describes the principle and data structure of the DNS query protocol. After two weeks of development, the queryserver was compiled. Some problems were encountered during

Now we will introduce you to the simplest cross-form operation. The WinForm is a class, and the C # class is a reference type. So we should be able to pass the WinForm class, so we can not perform the operation?   Effect description: There are three