C#

The first use is to put a form on another form, such as code, and later found that it is very card, the interface to move or adjust will not come back. // basicin bi = new Basicin (a); // bi. TopLevel = false; // to load the form when the control

Important conditions for using the VAR keyword: can only be used for local variables and cannot be used for fields. can only be used when initialization is included in a variable declaration. once the compiler infers the type, it is fixed and cannot

. Net reflection access private variables and private methods,. net Variables The following is the practice code: 1 using System; 2 using System. collections. generic; 3 using System. componentModel; 4 using System. linq; 5 using System. reflection;

How to save Log4Net logs to a mongodb DatabaseThe name of log4net has been heard and never been used. This time, the APP project is ready to use log4net on the server. The log data volume is large, and frequent database writes may affect the overall

Differences between \ r, \ n, \ r \ n Code: 1: string s1 = "Get used to carriage return and line feed once. \ n. Press A enter key, that is, return "; 2:   3: Console.WriteLine(s1); 4: s1 = "Get used to pressing the carriage

In-depth C # class methods,Constructor example1: Static void Main (string [] args) {SE engineer = new SE (); engineer. age = 25; enginner. name = "Aibian Cheng"; // omit other attribute assignment operation Console. writeLine (engineer. sayHi

Chapter 2 dialog box (1) Example of this chapter main interface, Chapter 6th example Category: C #, Android, VS2015; Created on: In Android applications, common dialogs include Toast, AlertDialog, ProgressDialog, Time Selection, and date selection.

C # Windows Service calls IBM Lotus Notes to send an email, I recently studied IBM Lotus Mail, which is really troublesome. Due to the company's policy, smtp is not enabled, and many system emails cannot be sent. So I started to learn about Lotus

C # Learning ArrayList In the process of learning C #, ArrayList is actually a dynamic array that can add, insert, and delete elements. Operations such as clearing, sorting, and reversing can implement the ICollection and IList interfaces and

C # Three digital image processing methods, Source: http://zxlovenet.cnblogs.com This article mainly introduces three methods for C # To process digital images through color image grayscale. Bitmap, BitmapData, and Graphics are three important

Obtain the data of the database through reflection and convert it to the corresponding type of data to obtain the database Reflection can dynamically obtain the data Type, and the Type class can obtain the fields, methods, attributes, and so on. In

C # how to read the INI File, The INI file is used in the recent project to read the INI file. The method is as follows:   Using System; using System. collections. generic; using System. linq; using System. text; using System. collections.

[Reconstruction learning] 11. Large reconstruction and reconstruction 11 Well, all of the above are simple examples. Now we start with large refactoring. For large refactoring, the situation is complex and variable, and it takes a long time. Most of

[Reading Notes] C # Study Notes 1:. Net Framwork, Preface:An accidental opportunity to see a book published by @ Learning hard in the garden: , and then I bought it until now. It feels good and suitable for beginners, the content in the book is from

How does WPF implement drag-and-drop to open a file (drag the file into the form), and wpf drag-and-drop   The implementation in WPF is similar to the implementation in WinForm 99%. The DragEnter event and Drop event will be added to the control

[Reconstruction learning] 02 where is reconstruction ?, Reconstruction learning 02 1. duplicate code Solution: Duplicate code is located in the same class: extract new functions for calling Duplicate codes are located in different subclasses:

CLR via C # Note 2,Type BasicsAll types are derived from System. Object CLR. All objects must be created using the new operator. Employee e = new Employee ("Constructor Parameters"); the following isNew operatorWhat you do: #1. The number of bytes

Let's talk about the MVC mode. MVC (Modal View Controler)It originally exists in the Desktop program. M Refers to the exponential data model, V refers to the user interface, and C refers to the Controller. The purpose of using MVC is to separate the

Solr learning Summary (2) installation and configuration of Solr, solr Summary Next, I will summarize the installation and configuration of Solr.   　　1. Prepare 1. install java 8 and tomcat 9. The installation of java and tomcat is not repeated here.

C # generate a truth table, Using System; using System. collections. generic; using System. linq; using System. text; using System. threading. tasks; namespace ConsoleApplication4 {class Program {static void Main (string [] args) {Console.