vb net tutorial

Summary of VB. NET videos (1) and summary of vb.net videos VB. NET is an object-oriented programming language Based on. NET Framework. It can be seen as an upgraded version of Visual Basic on the. Net Framework Platform, enhancin

As we all know, Word is one of the most commonly used office software in our daily work, sometimes we need to convert Word documents to PDF and text for some kind of needs. So how to C#,VB. NET programming way to achieve this function?Below I will separately describe how to use the free version of Spire.doc for. NET components for Word to PDF and text conversion.

Grammar one: Try ..... Catch.........finally.........end Try Catch Error Put a possible error statement behind a try and, if an error occurs, execute a Catch statement, Catch can have multiple, first catch cannot catch error, will be next catch statement Captured. After all the processing is complete, the finally statement is executed. You can use catch with one of the finally two in a try.........end try procedure One, or two together, Two: Protected, private, public package control T

Statement one: Try ..... Catch.........finally.........end Try Catch Error Put a possible error statement behind a try, and, if an error occurs, execute a Catch statement, the catch can have multiple, and the first catch cannot catch an error that will be captured by the next catch statement. After all the processing is complete, the finally statement is executed. You can use catch with one of the finally two in a try.........end try process, or two one at a 　　 Two: Protected, private, public

I. Try ......... Catch ......... Finally ......... End try catch error: place a possibly erroneous statement behind try. If an error occurs, execute the catch statement. There can be multiple catch statements. The first catch cannot catch errors, will be captured by the next catch statement. After all processing is completed, run the finally statement. In a try ......... You can use either catch or finally in the end try process, 2. The three keywords protected, private, and public encapsulation

TheArticleIt includes the processing method for converting the API functions referenced by addressof operator in VB to VB. NET and the method for entrusting garbage collection. VB: The API function setwindowlong is defined as follows in VB: Private declare function

assembly. VB.net absorbs many excellent components of C ++ and VB and has many innovations. It can be considered that Visual Basic 7.0 is an upgraded version of VB, and its runtime is based on CLR (common ).Language Runtime) and virtual machine .. Net is short for visual studio.net .. Net = visual studio.net. Second,

VB. NET is still quite common, So I studied the VB. NET transmission tablespace. Here I will share it with you, hoping it will be useful to you. Two databases (ltdb and epras). The tsts tablespace user ts (including two data files) is exported from ltdb to epras. Procedure1. ltdb exports the table space (exported as sy

instance in the module.The partial keyword can be used to extend the functionality of My.Application or My.Computer. The corresponding classes are MyApplication and MyComputer respectively.Use My.Application in C # to use My.Application, you must inherit System.Windows.Forms.WindowsFormsApplicationBase (This class is located in Microsoft.VisualBasic.dll). After inheritance we do a few things, first write the constructor initializes the MyApplication class, in Visual Basic these settings are IDE

After a long period of development, VB. NET has become very familiar to many users. Here I will share my personal understanding and discuss it with you. In VB. net should use VB. for the netformat function, both CINT and clng can only obtain the integer part, whereas

VB. NET has a lot to learn about. Here we mainly introduce the VB. NET implementation drop-down list, including the control improvements.. NET is a tool provided by Microsoft to address future computing needs. In. NET Framework pr

Flow selection box for implementing PhotoShop using VB. NETHello everyone, I wrote an article for the first time (EXCITED). I read several articles from the development experts that talked about the flow selection box in Photoshop. In fact, the implementation is not difficult. Here I will use VB. net implementation, in. NET