C#

Introduction:Recently, I made a big screen securities trading software with a B/S architecture for the customer, which is used to plot the trend of the securities index and the transaction volume, because the customer requires that the image be

  Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->// Use the Extension MethodPublic static string [] SplitExt (this string sourceString, string splitString){List arrayList = new List ();String s =

Common ImageAnimator methods are shown in the table. Common Methods for table ImageAnimator classes Method Description Animate Show multiple frames as an animation CanAnimate Returns a Boolean value indicating whether the specified image

You can use GMail to send mail. It is said that G officially restricts the maximum number of contacts sent to a single email within one day. The Code is as follows: Namespace ConsoleApplication9 {class Program {static void Main (string [] args)

/// /// Generate a thumbnail/// /// source image byte [] /// width of the generated thumbnail /// height of the generated thumbnail /// Private byte [] GenerateThumbImg (byte [] imgBuffer, int width, int height){MemoryStream imgStream =

Using System;Using System. ComponentModel;Using System. Text;Using System. Net;Using System. Net. Mail;Namespace Smtp{Public class SmtpMail{Private string toAddress = "";Private string mailUser = "";Private string userPassword = "";Private string

Sybase. net Provider. In a few cases, "sybdrvadow.dll, HRESULT: 0x8007007E cannot be loaded" occurs in some systems. The reason is that the Assembly. dll file on which sybdrvadow.dll is dependent is missing. Sybdrvadow.dll depends on the following

1 using System;2 using System. Collections. Generic;3 using System. ComponentModel;4 using System. Data;5 using System. Drawing;6 using System. Linq;7 using System. Text;8 using System. Windows. Forms;91011 namespace TabControlTest12 {13 public

Although there are examples of forms that do not obtain the focus, I don't know how to implement them, so I still want to "do not get the focus of the form" first, then, return the focus to the previous focus form. You don't need APIs at the

/// Function for full-width conversion (SBC case )//////Arbitrary string // fullwidth string ////// The full-width space is 12288, and the half-width space is 32./// The relationship between the half-width (33-126) of other characters and the

Summary In client programs and server components (including windows Services), timer (timer) usually plays an important role. Writing efficient managed code driven by timer requires a clear understanding of program processes and. net thread models ..

Although MS provides us with a variety. net framework library, our program C # development brings great convenience, but sometimes, some control libraries with specific functions still need to be provided by a third party or written by themselves.

I was confused when I first came into contact with C #. What is the performance difference between "Equals" and "=" when comparing strings? I believe that this problem has been confusing for many people, so let's discuss it together: Compare whether

During my work, I found a problem with the accuracy of the C # floating point number. The following program running results did not get my expected results:View source Print? 01 namespace FloatTest 02 { 03      class Program 04      { 0

In. NET Framework 3.5 provides a JSON Object serialization tool, but it is strongly typed. You must first define a type according to the JSON object format and add the type to the JSON serialization feature. This article will try to provide a highly

In the dialog box, we often use the following types:1. The file dialog box (FileDialog) is commonly used in two ways:Open File Dialog Box (OpenFileDialog)SaveFileDialog)2. FontDialog)3. Color dialog box (ColorDialog)4. Print the Pre-Export Dialog

Generally, we want to test the method or the type with higher efficiency. We can use the Stopwatch class for testing. I only know it now. Let's look at a small example. Prerequisite: first reference using System. Diagnostics; namespace. Code

After the mode form (ShowDialog) is opened, no operation can be performed on the following main form. In this blog, we want to implement non-modal forms (show) to achieve some effects of the mode form (the main form is closed, and the sub form is

Set field nameSet field valueSet cell to indicate Error iconSet current cellObtains the content of the current cell.Retrieve the column Index of the current cellObtains the row Index of the current cell.Next lineUpCancel DataGridView1 as

1: Create an installation and deployment projectOpen VS, click "Create Project", select "other project type"> "installation and deployment"> "Installation Wizard" (the same is true for the installation project), and click "OK" (for details, see)The