C#

C # OpenFileDialog and PictrueBoxOptional bytes string resultFile = "";OpenFileDialog openFileDialog1 = new OpenFileDialog ();OpenFileDialog1.InitialDirectory = "D :\\ Patch ";OpenFileDialog1.Filter = "All files (*. *) | *. * | txt files (*. txt) | *

C # Fields, attributes, and member variablesIntroduction: C # these basic concepts are slightly different from those in java and C ++. The difference is summarized here because it is easy to confuse. Hope to help beginners!1. Definitions and

C # Call the AForge class library to operate the camera It is a great honor to share the same information. Recently, a project requires camera operations. Baidu has a lot of information on the Internet, many of which are C # calling the window API

C # programming: Examples of delegated programs A delegate is not a method. It is a special type used to call a method that has the same signature as the delegate (signature here refers to the parameter list of the method. An important feature of

C # basics-Use of delegation1. What is a delegate is a type that defines the method signature. When a delegate is instantiated, You can associate its instance with any method with a signature compatibility. You can call a method by entrusting an

C # bind enumeration to ComboBox, From: http://blog.csdn.net/crazy_frog/article/details/7705442 Method 1: Bind   [Csharp]View plaincopy Enum TestEnum {zero = 0, one = 1, two = 2} ComboBox cbo = new ComboBox (); Cbo. DataSource = System. Enum.

C # type conversion, A common type conversion is not easy. If you get the UI data during development or retrieve the data from the database (not Using ORM), The type conversion is very cumbersome, I have written very ugly type conversion code. The

[C # Learning] Insecure code, Today, I wrote a technical essay on the first day, but it was not easy to write. I hope readers can understand it. These two days I learned the Insecure code in C #. When I heard this name, I first thought of why I had

Time period control code and segment control code I got a period of control today, and I always felt a problem. Please give me some advice: If (request ["Action"] = "PriceLast") {int PriceId = int. parse (request ["PriceId"]); List PrcList = ccp.

Expression expression Tree, Expression expression Expression Expression TreeCode indicating the tree data structureEach node in the tree structure is an expression, such as a method call or a binary operation similar to x 1. Create an expression

ThreadPool thread pool summary, threadpool thread Summary The ThreadPool class provides a thread pool that can be used to send work items, process asynchronous I/O, represent other threads waiting, and process timers. The thread pool provides an

Comparison of several serialization methods in C, In C #, the comparison only compares the serialization time and the size of the Post-sequential file. Several types of serialization are: 1. XmlSerializer 2. BinaryFormatter 3. DataContractSerializer

C # covariant and invert, The conversion from a subclass to a parent class is a covariant, identified by the out keyword. The conversion from a parent class to a subclass is an inversion, and the in keyword is used.  Application of covariant and

C # Open the taskbar program window In this example, use C # To open a window displayed on the Windows taskbar. Lab environment: Windows XP + VS2005 +. Net 2.0 + Winform test program. Note: You need to establish a Winform program for testing. Code:

Test the Pen in C #. NEt-GDI + using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading.Tasks;using

Three phases of delegation evolution in C #A delegate is a type that stores references as functions. After a delegate is defined, the variables of the delegate type can be declared, then, initialize the variable as a function reference with the same

. Net platform pushes Android messages (Aurora push),. netandroid Recently done. net project (Windows Service) needs to send push messages to the Android mobile phone, it is a bit difficult, without having to do so, it will not stop searching

Introduction to CSLA. NET and csla.net CSLA. NET is said to have been widely used abroad. Articles about this framework in China can be found earlier on the internet, mostly in earlier versions. The latest version is 4.5.6. The overall architecture

The error "lc.exe" has been returned. The code is" 1 ", and lc.exe-1 ". When the program is scheduled this day, the compilation cannot be completed. The error is that lc.exe has exited and the code is-1.The reason is that a third-party component

C # control prefix naming rules,Standard controls 1 btn Button 2 chk CheckBox 3 ckl CheckedListBox 4 cmb ComboBox 5 dtp DateTimePicker 6 lbl Label 7 llb LinkLabel 8 lst ListBox 9 lvw ListView 10 mT MaskedTextBox 11 cdr MonthCalendar 12 icn