C # simple log Writing Method

Private void WriteLog (string text){ String path = AppDomain. CurrentDomain. BaseDirectory;Path = System. IO. Path. Combine (path, "OutputStreamLogs \" + DateTime. Now. ToString ("yy-MM-dd ")); If (! System. IO. Directory. Exists (path )){System. IO.

C # advanced programming (1)-from interface to proxy to anonymous method to lambda expression

Problem Background: Use the Sort method to Sort Product objects.The following are two signatures of the Sort method:[Csharp]Public void Sort (Comparison comparison );Public void Sort (IComparer comparer ); One is the object that receives the

The Equals method of the class that contains the subclass set in C # is rewritten.

In a recent project, for unit tests, we use NMock to simulate the behavior of the methods that are dependent on the test method. We encountered a problem when defining the parameter values and return values of the simulation method. When a parameter

C # Call WinAPI to send SendMessage

Call methods in DLL First, the external method should be declared in the C # language source program. The basic form is:[DLLImport ("DLL file")] Modifier extern return variable type method name (parameter list)[DllImport ("user32.dll", EntryPoint =

C # Introduction to common class libraries (2)

SystemCommon basic types are almost under this namespace. For example, string, Int16, int32, object, type conversion, and numerical calculation. In addition, there are class consoles.   System. IOIO is Input and Output. the reading of all files can

[C # basic knowledge] topic: Fully parse object set initiators, anonymous types, and implicit types

After the introduction of the previous topic, you should have a better understanding of the features in C #1 and C #2. Now we have finally ushered in the long-awaited special feature in C #3, in C #, Lambda expressions and the proposal of Linq are

Bottom-up sorting-c #

The bottom-up sorting method is much faster than the Bubble sorting method. The basic idea is: first, arrange the order of two groups, one group, and the other four groups ....... 8 ........ there is a problem until all rows are completed. During

C # reflection to implement a Simple plug-in system

If you have used some excellent open-source or non-open-source application software, you will find that a major advantage of these software is its openness, anyone with the ability can develop different plug-ins for them to enhance their functions.

Remove the line on the bottom edge when the RenderMode attribute of ToolStrip is set to system

Using System. windows. forms; using System. drawing; class NewToolStrip: ToolStrip {protected override void OnPaint (PaintEventArgs e) {if (this. renderMode = ToolStripRenderMode. system) {Rectangle rect = new Rectangle (0, 0, this. width, this.

Hdu 1715 large number of waves (large number)

[Csharp]// Large number calculation !!# Include "stdio. h"# Include "string. h"Int a [1001] [1001];Int main (){Int I, j, k;Int n, t;Int carry;Scanf ("% d", & t );While (t --){Scanf ("% d", & n );Memset (a, 0, sizeof ());A [1] [1] = 1; a [2] [1] =

WPF: popup implementation drop-down list

An error occurs when it is used for the user. The selected option has a shadow, which affects the display of the interface.When solving the problem, we always think it is a problem of re-painting and refreshing the interface. So I also found some

It is difficult to manually or programmatically call the https WCF Service signed by X.509 certificate

When you use add service reference in visual studio to call an https WCF Service with only X.509 certificate Signature, visual studio automatically generates code and apps. config or web. the config xml code is easy to call based on these

C # Reading CSV files

C # Reading CSV filesMany projects need to operate the CSV file. I see many people will code to read the first row of the CSV file and explain the values of each column, This is relatively difficult, First, developers are required to be familiar

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