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Vb.net Run Script inside Textbox
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How can I have a button execute VB code I entered in a text box?
E.g. when I wrote this in text box:
form1.Show()
and the button is clicked, form1 will be shown.
What you're looking for is like eval() for javascript or PHP.
.Net (including the VB, C#, and F# languages) is a general purpose platform, where javascript and PHP are intended for more specialized situations (javascript is usually in a browser with limited APIs, and PHP was originally a web CGI platform only).
It's okay for a specialized language, which can be sandboxed and API-limited, to include an eval() feature. But for a generalized language, which needs access to all of APIs in a system, this is extremely dangerous. There are MASSIVE security implications. As a result, this kind of thing is not impossible (there's CodeDOM, Roslyn, compile+Reflection.Load, etc), but none of them are quick or simple to do. There's not a simple eval() function out of the box. And that's a good thing.
I'm converting a project which started life as a PHP application to a Windows Forms Application in VB.Net, and am not sure how to go about formatting my output. The original, of course, simply outputs in HTML, and I've thought of using a WebBrowser control, but is there a better/more standard/any other way to display formatted output?
I'm new to Visual Studio, and Windows application programming in general. I've done a fair amount of work with VBA, so I'm familiar with the basics of the language, but still trying to figure out a lot of things. I think my question is beyond asking how to display output in VB.NET, as I'm familiar with the various form controls, such as label and textbox, but I googled extensively before posting here, and could not find what I was looking for. VB tutorials I've found are along the lines of "A variable is...." which I don't need. This site, while pretty basic, does have some interesting stuff, and is where I came across the WebBrowser control, but I'm just wondering if that's the best or only way to do what I want.
Hello once again StackOverflow community!
I have a fairly simple questions but surprisingly I am unable to find this answer while using google for the past hour...
Question is: Can you create a Form inside a Class Library, or in other words can I have my DLL(Class Library) create a form programmatically?
I am working on a Updater for a application a few friends and I use and I constantly find myself making small changes and tweaks in the code the more we use it so it would be nice to be able to update it with less effort on my part.
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I'm starting a new job - my first - as a financial controller. The job will mean working a lot with excel files, for example formatting a document so that it can be imported and understood by other financial programs like SAP, or creating charts with the data in a document. There might be many specific tasks where vb.net/vba can come useful so I would really to be good at it.
My question is, should I do vb.net through visual studio or vba via Excel? My understanding is that you can achieve basically the same things with both in terms of excel-files, but perhaps vba is quicker and easier to learn and use. Vb.net on the other hand has a much better IDE through visual studio and learning it will give me a knowledge which can also be more useful elsewhere. Is this correct? Instead of trying one of them only to find out after some time that I should have gone with the other, I hope to get it right from the start.
I use both VBA and VB.Net so I would recommend learning both.
Learning VBA is easier than learning VB.Net because there is so much less to learn. I find VBA tutorials easier to master mainly because most VB.Net tutorials seem to be more concerned with demonstrating the amazing functionality of VB.net than teaching you the basics of the language. Once you have VBA under your belt the learning curve to VB.Net is not too steep.
You access Excel workbooks from VB.Net using an interop which can read and write from any Excel version from 2003 onwards. It may be able to access earlier versions but I do not know any one who uses earlier versions so cannot test. The interop is slow. If your program is doing nothing but manipulate Excel worksheets, you are probably better using VBA.
VB.Net's forms have far more controls than VBA's. If you are trying to create an attractive, flexible, adjustable user interface then VB.Net is the one to choose.
VB.Net is compiled to an immediate language which is then compiled to machine code at runtime to take advantage of the capabilities of the machine it is running on. VBA compiles to an immediate language which is interpreted at runtime. For heavy processing, VB.Net programs can be thousands of time faster than VBA macros.
VB.Net creates executable programs (MyProgram.exe) which can run on any Windows machine making them easy to distribute if necessary. VBA macros run within Excel so the user need to have and open Excel to run them.
To summarise: start with VBA but then try VB.Net once you have mastered the syntax.
Incorrect. VBA is far faster has it runs in process. All calls are marshalled into network protocols to be sent cross process.
Plus you have to load COM with VBA. To use Excel you have to load COM. To use VB.NET with Excel you load COM and .NET - a far bigger resource load.
The code would be almost identical.
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I've been spoiled by Visual studio 2008 and Eclipse and have to do a little maintainence work on a VB6 app.
Does anyone know of an alternative/ updated IDE for VB6?
A rewrite is not an option I'm just fixing a couple of bugs and it's a big codebase.
I have never heard of an alternative IDE for Vb6. However, these two (free) VB6 add-ins are indispensable and will make your life easier - especially if there is a lot of code. They are equally effective for VBA in Microsoft Office.
MZ-Tools: provides a superb collection of IDE tools - finding unused variables, unused methods, a great "search all", code snippets. Written by Carlos J. Quintero, to whom I now owe hours and hours of time.
http://www.mztools.com/v3/mztools3.aspx
And SmartIndenter, which takes care of all the auto-indenting. It does one thing and it does it well.
http://www.oaltd.co.uk/Indenter/Default.htm
Some time ago I did some research and nothing came up. I don't believe you have have any real alternatives...
But you could consider checking this out:
http://www.axtools.com/products/cs2k3vb_screenshots.htm
It looks quite promising.
Addin for Visual Basic 6.0 packing more than 50 professional tools and
assistants. The Code View Assistant
enriches the standard VB6 code editor
with branch lines for conditional
statements, end-of-line details, and
hotspots. Moreover, the Code Analyzer
pinpoints dead and slow code, the
SmartComplete and AutoText tools help
you write code with a proficiency you
never dreamed of, while the Enhanced
Project Explorer with expanding code
and Code Flow View can make accessing
a code location the speedy action you
always needed. Other tools: Extended
Find, Find References, Designer
Explorer, Code Formatter, TabOrder
Designer (with auto-order), HotKey
Designer, Error Handlers Inserter,
Exception Protection, Spelling
Checker, Strings Reviewer, Comments
Conformity Checker, Task List Manager,
Code Snippets Manager, Naming
Standards Manager.Version 2007 adds
Designer Analyzer, User Interface
Standard Properties Manager, Library
Explorer including Designer Snippets,
many enhancements in most subsystems.
Because the VB6 IDE does not detect file changes made outside of the IDE, it can be quite difficult to develop code outside of the VB6 IDE, without running the risk of loosing code changes.
But it is possible to run a VB6 project build from the command line so it is possible to do simple VB development using any text editor/IDE capable of running a command an capture it's output.
But for things like GUI changes and debugging there is really no choice but to revert back to the VB6 IDE.
Here is the commands needed to run the build from the DOS prompt:
set PATH="d:\Program Files\Microsoft Visual Studio\VB98\";%PATH%
vb6.exe /out ErrorFile.txt /make MyProject.vbp
FWIW the Zeus IDE has the ability to import a VB Project file and display the project details into project/workspace tree. It will also run the build an capture the output.
Visual Basic Tools For Visual Studio lets you open vb6 project in visual studio 2012/2013, with basic outlining, syntax coloring, and a few more things.
Its a work in progress, but if like me you have some living dead vb6 programs to maintain, it's... intriguing.
Except there's no GUI editor, no debugging. I fear these points (especially debugging) are deal breakers. (Of course, I understand that not everything is possible).
Yeah, no alternative IDEs to VB6 afaik. But one indispensable add-in I used was CodeHelp. It gives you tabs! for the windows, easy tab ordering, fullscreen switcher and maybe a mousewheel add-in. Check it out from the Planet Source Code page. And be sure to check the comments for a download to a setup file as I had problems with the source code and the author's site.
CodeHelp Add-In 2.2 Amazing VB6 plugin to help organize and coding.
http://www.planetsourcecode.com/vb/scripts/ShowCode.asp?txtCodeId=62468&lngWId=1
I used Visual Assist X while programming in VB6. It's a code coloring add-in.
A must have, once you got used to VS2005+
I don't know if VB6 is still supported in current version, so you should take a look and see for yourself (and perhaps get an older version)
DoyleSoft BASIC alternative visual basic
jabaco compiler too-