Microsoft Visual Basic Corner

Windows Forms: Don't Skimp on the Caps Lock Warning

Tue, 22 Aug 2017 17:45:00 GMT

If you've ever worked in an enterprise environment and fielded calls from employees unable to get into their accounts due to a depressed Caps Lock key, you know how essential the following tweak to your code can be.

Embellish Your Web API Responses with Header Data

Tue, 08 Aug 2017 23:40:00 GMT

Learn how providing information in available HTTP header elements can help make interactions between unrelated systems straightforward and meaningful.

Create Parameterized Queries in ADO.NET

Thu, 27 Jul 2017 07:00:00 GMT

Squash the dangers lurking in your SQL queries by setting parameters by way of parameterized queries.

C# Goes Back to BASICs with Local Functions

Mon, 26 Jun 2017 19:39:00 GMT

C# finally gets the BASIC GOSUB feature through local functions, but local functions take that GOSUB-like capability up a few notches.

The Fraternal Twins of Equals and GetHashCode

Thu, 01 Jun 2017 17:40:00 GMT

Lots of searching through lots of data means potential app performance degradation. Hash codes can speed things up.

Adding New Formats to Old Data

Wed, 05 Apr 2017 21:16:00 GMT

The custom formatters in the .NET Framework provide a more seamless way to mix traditional and custom formatting situations.

C# and VB Data Conversion in a World of Cruel Users

Wed, 29 Mar 2017 19:11:00 GMT

While Visual Basic is a bit more forgiving with data conversions, you'll need to jump through some hoops to do similar conversions in C#.

Transforming Windows Files on C++: What's Fastest?

Mon, 06 Mar 2017 22:20:00 GMT

We just covered background information on our last file processing foray. Now, what's faster: CRT, Windows API, or something else?

Pattern Matching in C# 7.0 Case Blocks

Thu, 02 Feb 2017 17:48:00 GMT

Welcome to the 21st century, C#, now that case blocks support a variety of pattern-matching formats.

4 Ways To Transform a File on Windows with C++

Thu, 26 Jan 2017 19:20:00 GMT

On the Windows platform, the C++ language offers several ways to process a file. We'll look at four approaches for serial IO access.

Making Sense of Class Modifiers in C# and Visual Basic

Wed, 11 Jan 2017 16:14:00 GMT

Both are .NET Framework-based, but they don't seem to be speaking the same language.

Getting to Know Your Assembly by Name and Number

Tue, 03 Jan 2017 17:33:00 GMT

Let's take a quick side trip and see what information we can glean from the .NET assembly.

Hashing Passwords for Fun and Security

Thu, 15 Dec 2016 17:29:00 GMT

Hashwords can use a pinch of salt for added security. There's a .NET class for that.

Use Custom Visualizers for C++ Objects

Thu, 08 Dec 2016 16:39:00 GMT

Sometimes the default view of objects in the debugger isn't enough, especially if you operate on complex data structures. Here's one way to alter the view and use a customized one.

It's Safe to Handle Unhandled Visual Basic and C# Exceptions

Mon, 28 Nov 2016 07:00:00 GMT

Pile on the exceptions, and .NET will have your back with the tools it provides at your disposal.

Life Without On Error Resume Next

Tue, 15 Nov 2016 15:00:00 GMT

The alternative to that simple error-handling combo is the Try...Catch, but it's not as simple as wrapping up your code with it.

Debugging Mouse Clicks and Dragging in C++

Tue, 01 Nov 2016 21:05:00 GMT

Debugging mouse events is especially confusing, because when the debugger stops the code, most of the events go away! What tactics can we use in these situations?

Magic Forms Access in Visual Basic and C#

Thu, 27 Oct 2016 17:08:00 GMT

Look behind the curtain on this one, and you'll see that code is quite magical in and of itself.

Strategies for Debugging Lots of C++ Objects Effectively

Thu, 20 Oct 2016 17:11:00 GMT

When you have code that is called for many objects it's hard to go through all them and just check line by line. How can you more efficiently debug lots of code?

Tricks with Goto in Visual Basic and C#

Fri, 14 Oct 2016 17:58:00 GMT

Goto statements, whether they're used in Visual Basic or C#, can be confounding as to their purpose in some contexts.

How Helper Variables Can Simplify Debugging

Wed, 28 Sep 2016 07:00:00 GMT

If the data you work with is complex and hard to understand, it's easy to get stuck on them when debugging. Add helper variables to make data much simpler to use and comprehend.