C#

Summary of DllImport attribute, dllimportattribute C # Is there a way to directly use existing functions (for example, some functions in Windows and some methods already written in C ++) without re-coding? The answer is yes, that is, through the

Quartz 6 CronTrigger (official document translation), quartzcrontrigger CronTriggers is used more frequently than SimpleTrigger. If you want to trigger a Job in schedule in the form of a calendar, rather than a definite time interval, you need to

Visual studio installer packaging 123, studioinstaller 3. Open the File View 4. copy the files in the release directory to Application Folder. 5. Create two shortcuts, one for DeskTop and the other for Program Menu. Paste shortcuts to DeskTop

C # Explanation of BackgroundWorker, In C # programs, there are often some CPU-intensive operations that take a long time. If such operations are executed directly in the UI thread, the UI will not respond. The main way to solve these problems is to

Simulate the release time of the circle of friends and format the past time to xx (seconds/minute/hour/day ). Simulate the release time of the circle of friends, and use the extension method to display the past time as xx (seconds/minute/hour/day),

How to call external Web APIs and webapis Uri uri = new Uri (url + "? "+ PostData ); System. Net. HttpWebRequest request = (System. Net. HttpWebRequest) System. Net. WebRequest. Create (uri ); Request. Method = "GET "; Request. ContentType =

Object Initial Value Setting and set initial value setting, object set Directly run the Code: Class Program {static void Main (string [] args) {StudentName student1 = new StudentName ("Craig", "Playstead "); // to set the object's initial value, you

A set of solutions under dotNet, dotNet Solution I haven't written an article in the blog garden for a long time. I plan to open up a whole set of systems that I have been writing by myself. Today I will first release some addresses that can be

My personal summary goes deep into the. NET platform and C # programming, Preface:I have been studying C # programming for several months. As a cainiao, I am not qualified to comment on anything. We can only summarize what we have learned, but may

C # programming naming rules, Wang Xiaoming, his elders must have a surname Wang. Isn't there a family named Wang in the village of penghe village? Maybe it's the child of the family. A lost child will successfully go home. The naming convention is

C # custom logging, If you don't talk much about it, go directly to the Code:   Simple: copy the class to the project, and configure logUrl in the configuration file. Saved in: Project/temp/log by default   /// /// log class /// /// Creator:

C #'~ 'Use of bitwise anti-Operators, Bitwise inversion operator is the inverse of each bitwise of binary, such as byte type ,~ The result of 0 is 255. This feature allows you to perform some reverse operations in the mask.   The following code

C # usage and comparison of List sorting,   The following describes the usage and comparison of various List sort First, we create a People entity with the attributes of name, age, and sex. The field we want to sort is age. Create an object class

How to easily save configuration information such as the position and size of the WinForm control, winform Control Because of the different resolutions, screen themes, and font sizes, the display effects of forms vary with machines. The elastic

Json. NET reads and writes Json files, and json.net writes json files. Using System; Using System. Collections. Generic; Using System. Linq; Using System. Web; Using System. Web. UI; Using System. Web. UI. WebControls; Using System. IO;

Images to binary streams are stored in the database, binary Database 1. Database Name: Demo, Data Structure 2. The background code is as follows: Class Program {public static readonly string conStr = "Data Source = .; initial Catalog = Demo;

The essence of a string Observation 1 (the string instance is directly assigned a value to the string type variable ):   Analysis: The debugging shows that the memory addresses of the two variables are the same. The memory address actually points to

Const and readonly modifier usage, constreadonly 1. Only C # built-in types (int, double, long, etc.) can be declared as const; results, classes, and arrays cannot be declared as const. 2. readonly is the modifier used on the field, which is

Arabic numerals in accounting change to traditional Chinese capital and Arabic capital // Note // Conversion Tool class Using System;Using System. Collections. Generic;Using System. Linq;Using System. Text; Namespace

[C #] performing asynchronous operations in the GUI,Perform asynchronous operations in the GUI  Collation  Directory  1. Perform asynchronous operations in the GUI Program The following is an example of the form to demonstrate the following