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VB.NET Embed Images in MailMessage

In the .NET framework, we can use the System.Net.Mail.MailMessage class to create an email message and send it using the SMTPClient class. You can make emails that are plain text or HTML based, and you can also add attachments. However there didn't...

Published Thu, Sep 09 2014 9:43 AM by Matthew Kleinwaks

Filed under: VB.NET, Embedded Resource, Email, MailMessage

VB.NET Dynamic Grid Drawings

Someone had posted a question about creating 1500 picturebox controls on a form for the purpose of some sort of game. Creating 1500 controls on a single form is always a recipe for disaster. I wrote them up an example on how you can do this by dynamically...

Published Fri, Aug 08 2014 6:15 AM by Matthew Kleinwaks

Filed under: VB.NET, custom drawing

VB.NET - Creating Thumbnail Images from Video Files

There can be any number of reasons why one might want to take a video file and create thumbnail images from the video. I had a need to do this, and after developing a solution, I thought I would share it here for others looking to do the same. When I...

Published Tue, Mar 03 2014 1:49 AM by Matthew Kleinwaks

Filed under: VB.NET, video, thumbnails

VB.NET Metro Samples for Windows 8 Now Available

Microsoft has release VB.NET samples for coding Metro UI apps in Windows 8. Check them out now at these links: Individual Downloads: http://code.msdn.microsoft.com/windowsapps/site/search?f%5B0%5D.Type=ProgrammingLanguage&f%5B0%5D.Value=VB&f%5B0...

Published Thu, Oct 10 2011 3:41 PM by Matthew Kleinwaks

Filed under: VB.NET, Metro UI, Windows 8

VB.NET XNA Together at last!

Microsoft has announced that XNA support is finally going to be available for VB developers! XNA is a game framework that allows you to target XBOX, Windows Phone, Zune, and the PC. More info from Microsoft here .

Published Sat, Apr 04 2011 4:47 AM by Matthew Kleinwaks

Filed under: VB.NET, XNA

VB.NET DateTimePicker blanks out when keying in a value

I ran into an odd "bug" today in some production software. There was a datetimepicker control that had its "format" propery set to Custom, and its CustomFormat property set to MM/yyyy. The purpose of the datetimepicker was to enter...

Published Thu, Mar 03 2011 5:30 PM by Matthew Kleinwaks

Filed under: WinForms, VB.NET, DateTimePicker, Controls

Visual Studio: Avoid Template Overload in VS2010

Visual Studio 2010 gives us a slightly different dialog for creating a new project than we are used to from Visual Studio 2008. It comes as a welcome change because they have added some great features like the ability to search installed templates, as...

Published Tue, Jan 01 2010 2:28 AM by Matthew Kleinwaks

Filed under: .NET, 2010, Visual Studio

VB.NET Include a font as an embedded resource in your application

Today I am going to show you how you can take a font file, and include it in your VB.NET WinForms application. This means you can load the font at runtime, and use it on your controls without requiring the user to have the font installed on their system...

Published Fri, Nov 11 2009 6:05 AM by Matthew Kleinwaks

Filed under: VB.NET, Font, Embedded Resource

VB.NET How to tell if a user can elevate to admin rights in Vista and Windows 7

Generally finding out if a user has the permissions to do something involves trying to do that thing, and handling the access denied (error 5) exception that results. What if you wanted to know if a user is an admin though prior to doing some admin task...

Published Wed, Jul 07 2009 8:20 PM by Matthew Kleinwaks

Filed under: VB.NET, .NET, Win7, Vista, Admin

SSL testing certificate and the .NET Framework

I was faced with an odd problem today. I needed to test an update for an application that is already in production. Normally this would be pretty simple to do in a staging environment of some sort, but that is what made this task different. There was...

Published Mon, Jul 07 2009 8:57 PM by Matthew Kleinwaks

Filed under: VB.NET, Certificates, Security, SSL

VB.NET How to make 'Show All Files' the default when creating new VB projects in Visual Studio

This article focuses on Visual Studio 2008 and Visual Basic 9, but it can be applied to other versions, I just have not tested these other versions with the steps outlined below. Feedback is welcome. Show All Files is a useful little button in the Visual...

Published Mon, Feb 02 2009 8:45 AM by Matthew Kleinwaks

.NET : Install your app and the .NET framework using INNO Setup

Today we are going to look at an alternative to using ClickOnce or Windows Installer MSI to install an application written in .NET. This article is written for installing an application written in Microsoft .NET 2.0 (does not have to be VB specifically...

Published Mon, Jun 06 2008 8:53 PM by Matthew Kleinwaks

Filed under: VB.NET, Installer, INNO, Setup, .NET

MSDN: Contest for free MSDN Subscription for 1 year.

So Microsoft sent me a little envelope the other day, and inside were 3 cards, each for a 1 year MSDN Visual Studio Team System 2008 Team Suite Premium Subscription. Wow that is a mouthful huh? So I already have this same subscription, and these cards...

Published Fri, Jun 06 2008 2:53 PM by Matthew Kleinwaks

Filed under: Contest, MSDN, Microsoft

VB.NET : Extended Combobox to better visually handle being disabled

If you do any WinForms programming then chances are you have used comboboxes, and perhaps at one point or another, you disabled one of those comboboxes because you did not want the user to be able to make a selection. This works fine, however I actually...

Published Mon, May 05 2008 10:51 PM by Matthew Kleinwaks

Filed under: WinForms, Custom Controls, VB.NET, ComboBox

VB.NET : Translucent Controls in Windows Forms (Part Deux)

So yesterday I talked about making a translucent button in WinForms using VB.NET. If you have not read that yet, then you should probably do so before digging into part 2, where we expand part 1 to cover more controls. Today lets look at making a translucent...

Published Tue, May 05 2008 1:14 PM by Matthew Kleinwaks

Filed under: WinForms, Custom Controls, VB.NET

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