C#

Ienumerable This interface is very common, it is the most basic generic collection interface, representing the sequence of items that can be iterated.But the strange thing is why do generic parameters take an "out"?After some information, it is

The C#socket communication under the. NET platform (above) introduces the basic principle of socket communication and the most fundamental means of communication. This article on this basis on the socket communication often encountered problems to

ToolTip it can provide our software with very beautiful cue information , improve the usability of the software, give users a better experience.Use, load the following code when the form loads:var toolTip1 = new ToolTip ();Tooltip1.autopopdelay = 100

C # develop Mongo notes article 3Today, I tested the query function. Of course, it is mainly used to associate the query with the object we usually use, in addition, the BsonDocument and Collection operations are not very convenient. We first define

Automatically fills in the length of the string and the length of the string. Learning at work C #:String fullstr = hh. toString ("00000000"); or string fullstr = hh. toString (). padLeft (length, '0'); sqlserver: left (replicate ('0', 8-Len

CLR. via. C # Part 2, Chapter 4, 5, Reading Notes (II ), These two chapters are all theoretical and I don't think it's necessary to be too arrogant. The theory is profound only when it is learned in long-term practice. Below I will only write some

C #: determine whether the current program runs through the Administrator, public bool IsAdministrator(){WindowsIdentity current = WindowsIdentity.GetCurrent();WindowsPrincipal windowsPrincipal = new WindowsPrincipal(current);return windowsPrincipal.

C # When the reference type is used as a method parameterIn c # (java), parameter passing is the value of the passed parameter. For the value type, the value itself is passed. For reference types, when defining reference type variables, one is the

C # basic --- use of events1. What are event events that can be recognized by controls? For example, click OK to select a single-choice button or check box. Each control has events that you can recognize, such as events such as loading, clicking,

C # Essence (version 3rd) NotesC # Essence (version 3rd) Jump to: navigation, search Directory1C # OVERVIEW2 Data Type3 operator and Control Flow4. methods and parametersCategory 56 inheritance7 Interfaces8 value type (struct)9 type10

Bubble Sorting of sorting algorithms and Bubble sorting algorithms Principle of the bubble sort algorithm: 1. Compare adjacent elements. If the first is bigger than the second, exchange the two of them. 2. perform the same operation on each adjacent

Analysis and selection of. net technical components,. net technical components . Net is very complex. What are the greatest taboos in learning? To learn, not to use. We don't want to become teachers, so we don't want to be nerdy, we don't want to be

C # Generating image thumbnails Recently, some projects require image operations. The general function is to save and display images. However, it is too slow to directly operate the source image. In addition, if the amount of data transmitted is too

C # Call the C ++ DLL file, I am ashamed to say that I have registered for more than a year, but I have not published a formal blog post, and many learning processes have not been recorded in the middle. Now, in a new environment, we have the

Share a C # create a Barcode DLL, For work, Barcode is generated, and a DLL is retrieved from the Internet (the original address is forgotten) Http://files.cnblogs.com/panchunting/barcode_bin.zip It is very easy to use. You only need to add

C # generate pdf, Document doc = new Document (); // fan name string memberName = ""; var detail = listDetails. FirstOrDefault (); if (detail! = Null) {ServiceRecord record = detail. ServiceRecord; if (record! = Null) {Member m = record. Member; if (

System. Runtime. Serialization. SerializationException "type of unprocessed exception occurs in System. Runtime. Serialization. dll, runtimeexception Exception information: "System. Runtime. Serialization. SerializationException" type unprocessed

C # socket connection timeout control solution A previous project used the Remoting technology. When the remote address is invalid or the server is not running, the remote object access method will take dozens of seconds to throw an exception.

Function ---- Beginning Visual C #When the function transfer parameters are passed through the reference method, the syntax is different // in cppvoid doubleVal (int & val ){//...} int main () {int val = 20; doubleVal (val); cout using namespace

C # use custom Attribute C # features are frequently used in programming,Metadata equivalent to class Custom feature inheritanceSystem. AttributeClass Custom feature nameSuffix: AttributeIn line with Microsoft's naming style and compiler's Search