. Net (C #): comimport and comvisible features

The comvisiblefeature is very good. It indicates that the producer can be used by the comcategory database. tlbexp.exe will generate corresponding types of data based on comvisible. The comvisible feature can also be usedProgramSet or type member.  

. Net (C #) platform call: Use enumwindows and getwindowtext to list windows

For API enumwindows, the first parameter wndenumproc is a function pointer type (enumwindowsproc), and hwnd represents the form handle. The second lparam represents the second parameter of enumwindows, that is, the User-Defined Object (parameter)

. Net 4.5 (C #): update of tasks with imperceptible exceptions

I have written an articleArticle: . Net (C #) TPL: the task is not aware of exceptions and taskscheduler. unobservedtaskexception events.   In. Net 4.0, an imperceptible task exception will be thrown in the terminator execution thread during

. Net 4.5 (C #): set basic verification in httprequestheaders

Different from the previous httpwebrequest type, the httprequestheaders type in. Net 4.5 directly has an authorization attribute. The corresponding type is authenticationheadervalue, which is also in the system. net. http. headers namespace.

. Net (C #): Use the asypolicricsignatureformatter class and asypolicricsignaturedeformatter class.

In the previous articleArticle:. Net (C #): The signhash and verifyhash of RSA. I mentioned that using signhash and verifyhash of RSA can also achieve signdata and verifydata. In fact, there is also a method for signature authentication of public

C # counterfeit Referer to submit data

Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->Private string sendrequest (string account, string cardNumber, string cardpass) { String TargetUrl = https://xxx.com/#//target website for which data

C # Listening for USB access

Using system; Using system. Collections. Generic; Using system. componentmodel; Using system. Data; Using system. drawing; Using system. text; Using system. Windows. forms; Using system. IO; Namespace U disk update { Public partial class form1:

C # Add and install system services

Installer1.cs  Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->1 using system; 2 using system. Collections. Generic; 3 using system. componentmodel; 4 using system. configuration. Install; 5

C # search, traverse, and search for Binary Trees

Binary Tree node class:The page for inserting Code cannot be opened, so the code is directly pasted as follows :( Public class Node{Private node left;Private node right;Private int value; Public node (node left, node right, int value){This. Left =

C # Color Conversion

Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->// Method 1: // Reference the namespace using system. drawing; Hexadecimal color code to color type: colortranslator. fromhtml (color ); Color type to

. Net (C #): gets the custom attribute of the method return value)

In. net, the special request is centered around the icustomattributeprovider interface (in the system. Reflection namespace), and The returntypecustomattributes attribute of the methodinfo class directly returns the icustomattributeprovider

. Net (C #): short-lived securitytreatassafe features

. NET 2.0 introduces a level-1 transparency model (but is only enforced within the Assembly). Transparent Code cannot access key code, even in the same assembly (or in the same type), the following code: Using system; Using system. Collections.

. Net (C #): flexible use of cryptostream, encryption is not required with cryptostreammode. Write

First, icryptotransform in. NET is unidirectional, that is, data can only be converted from one state to another, and vice versa. Of course, manual operations on icryptotransform are complicated. You can use cryptostream to operate an

. Net (C #) platform call: Sending of classes and struct

Using getcursorpos as an example, it returns the position of the current mouse pointer on the screen (with a point structure ). For definitions of getcursorpos and point, refer to msdn: Http://msdn.microsoft.com/en-us/library/ms648390 (V = vs.85).

. Net (C #): Reflection emit to generate struct

In the typeattributes enumeration value of modulebuilder. definetype method, only class and interface are available. Where is struct? A struct is actually the sealed type inherited from valuetype. This code: Struct {}   Will be compiled into

. Net (C #): The streamingcontext struct in serialization

The streamingcontext type appears in many serialization methods. Getobjectdata of iserializable and special Constructor (used for deserialization ). There are also [ondeserialized], [ondeserializing], [onserialized], [onserializing] feature flag

. Net (C #): add the trygetvalue method of the dictionary to the keyedcollection type.

The trygetvalue method is very commonly used. You can convert the "judgment key existence" and "according to the key value" steps into one step. In this way, the hash value of the key is calculated only once, which is very efficient. Note that the

. Net (C #): the Assembly. createconifiedname and type. reflectiononlygettype methods that are rarely noticed

But both of them are easy to understand. Assembly. createmediifiedname is used to build a complete type path, which contains the Assembly name. This path can be used in the type. GetType static method (or the type. reflectiononlygettype static

. Net (C #): add and delete concurrentbag same thread Elements

Concurrentbag is very fast for adding and deleting the same thread value, because concurrentbag stores data independently based on the thread ID, therefore, it is very fast for a thread to remove data from its own data. Of course, if there is no

. Net (C #): negative and positive digital domains

The bit-domain mark we commonly use is defined based on a positive number, but it can also be defined based on a negative number, and the work is the same as the positive-number sign-out.   For example, to define an eight-bit domain, two options are

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