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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for the ‘WPF’ Category

How to install Windows 7 on a virtual hard disk (VHD) in 10 steps (via: Guides & Tutorials)

Posted by jpluimers on 2012/03/12

Handy when working with Microsoft Surface: install your development environment on a separate VHD that you can boot as your physical machine (Microsoft Surface SDK does not like being run in a Virtual Machine):

If you accept the constraints described above, I propose the following procedure, which I think is the easiest way to install Windows 7 on a virtual disk in multi-boot

Note: Within the VHD you can still access all the files on your physical HD.


via: How to install Windows 7 on a virtual hard disk (VHD) in 10 steps – Guides & Tutorials.

Posted in .NET, C#, Development, Microsoft Surface, Microsoft Surface on Windows 7, Power User, Software Development, Windows, Windows 7, WPF, XNA | 1 Comment »

.NET WPF Databinding to Collection Properties » Danny Thorpe

Posted by jpluimers on 2011/06/22

Danny Thorpe recently wrote a very nice post on via Databinding Collection Properties in WPF that sometimes fail without warning.

The short summary is that this fails without warning when binding to properties that do not explicitly implement the IList interface, for instance when binding to a collection that supports only IEnumerable (because of yield return) or IList<T> (for instance when binding to a Dictionary<TKey, TValue>.Values, which implements IList<T>, but not IList).

Thanks Danny for blogging about this (he explains it way better than I can), and putting a warning that the workaround Dictionary<TKey, TValue>.Values.ToList() potentially can have a big impact on memory consumption.

Life would be so much easier if WPF could bind to IEnumerable or IList<T> :)


via: Databinding Collection Properties » Danny Thorpe.

Posted in .NET, Development, Software Development, WPF | 2 Comments »

Visual Studio 2005/2008 WPF bug: App.xaml not found messages

Posted by jpluimers on 2010/06/17

When you do some maintenance on old projects, you sometimes bump into things you have completely forgotten about.

This time it is in Visual Studio 2005, with a WPF app, and messages about App.xml.

Since there are few threads covering this problem, so I’m not sure how many people bump into this.
I know that the problem does not limit itself to C#;  I have seen people in VB.NET and bump into this as well.
This problem is not limited to Visual Studio 2005, some people also have it in Visual Studio 2010.
Some people also have it with other objects than App.xaml (like Windows1.xaml, etc).

If you get this error, the solution is simple:

  1. perform a “Clean Solution”,
  2. then run your app again.

This trick has worked for me every time I bumped into it. Read the rest of this entry »

Posted in .NET, C#, Delphi, Development, Prism, Software Development, Visual Studio and tools, WPF | 2 Comments »

For a good laugh: Modern computer languages are a bit like people in some ways. – from “The Lounge – CodeProject”

Posted by jpluimers on 2010/06/07

For a good laugh: read the Modern computer languages are a bit like people in some ways thread in the CodeProject lounge.


Via: The Lounge – CodeProject.

Posted in .NET, C#, Delphi, Development, HTML, Java, Opinions, Software Development, VBS, Web Development, WPF | Leave a Comment »

.NET/C# – determining the hardware acceleration support for your WPF apps

Posted by jpluimers on 2010/05/13

When you want to deploy WPF, it is important to check if you have sufficient hardware acceleration for your apps.

The most important things to check is the RenderCapability.
It gives you the  Tier on which graphics is rendered.

The Tier tells something about hardware acceleration support, including a broad estimate of the pixel shader and vertex shader levels and DirectX versions.

Currently, there are 3 tiers: Read the rest of this entry »

Posted in .NET, C#, C# 3.0, C# 4.0, Development, Software Development, WPF | 1 Comment »

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