About code. Mostly on C++
.NET provides two classes for image transformations: Matrix, used for geometric transformations, and ColorMatrix, used for color transformations. One of such color transformations is inverting or negating. This means subtracting each color component from 255. Black (0,0,0) becomes White (255, 255, 255), and Green (0, 255, 0) becomes Magenta (255, 0, 255). You can find … Read more
I was doing some development in Visual Studio 2010 Beta 2 and I had to add some references to my projects. When I opened the Add Reference dialog I realized something was wrong: it was working very fast. Since I’m using Visual Studio 2008 for every day development I am used to wait tens of … Read more
With VC++ Feature Pack Microsoft has added new classes to MFC to provide support for new controls. However, these controls were not available from the designer. One had to manually wrote all the code for enabling an application to use these controls. Visual Studio 2010 Beta 2, released a couple of weeks ago, provides support … Read more
If you are still using Visual Studio 2005 and need to develop WCF services you need the following: Microsoft .NET Framework 3.0 Redistributable Package (SP2) The Visual Studio 2005 extensions for.NET Framework 3.0 (WCF & WPF), November 2006 CTP 3 The problem with the later is that Microsoft no longer supports it. Visual Studio 2008 … Read more
.NET 3.0 provides some support for working with ZIP files. However, it has an important drawback: it only works for packages that are conformant to the Open Packaging Convention standard. Most of the ZIP files are not. Codeplex features a library called DotNetZip that provides support for packing and unpacking in C#, VB.NET or any … Read more
When you create a WPF application, the start-up window is by default one from the same project (by default called Window1.xaml). < Application x:Class=”WpfApplication1.App” xmlns=”http://schemas.microsoft.com/winfx/2006/xaml/presentation” xmlns:x=”http://schemas.microsoft.com/winfx/2006/xaml” StartupUri=”Window1.xaml” > < Application.Resources > < /Application.Resources > < /Application > But what if you want to use a window from another project (class library)? The pack URI scheme, … Read more
This Tuesday a Texas court ruled that Microsoft can no longer sell Microsoft Word in USA because of a patent infringement (U.S. Patent No. 5,787,449). Canadian based company i4i accused Microsoft of willingly violating this patent on a method for reading XML. Microsoft was found guilty and ruled to pay $240 millions, plus other fines … Read more
Arad. Pod peste soseaua de centura. Doua benzi pe sens. Momentan in reparatii. S-a inchis un sens (stanga in imaginile de mai jos), si s-a circulat pe cealalta parte in ambele sensuri. Acum nici doua luni s-a inversat traficul, circulandu-se pe partea reparata. Iata cum arata podul recent renovat. In aceasta tara numai se fura, … Read more
Sometimes you want to customize a file dialog, maybe to provide a preview for images or files in general. Fortunately, the common file dialog can be easily extended to achieve this. I will explain in this post how to do that. There are several things one needs to do to extend the file dialog. First … Read more
Concepts were supposed to be an important new feature in C++0x. They were meant to allow programmers to specify properties (like constraints) for templates, allow compilers to do some optimization and tools to do some formal checking on the code. After years of debate, the standard committee found them “untried, risky and controversial” and ruled … Read more