Friday, October 10 2008

Error 0x800704b8 while installing IPv6 on Windows XP

Maybe you have already got this error while (re)installing IPv6 on Windows XP: C:\>ipv6 install Installing... Failed to complete the action Error 0×800704b8 The fix has to do with the Windows security database, which may not be up-to-date. To fix this database, type the following command:  […]

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Monday, August 11 2008

Raytracing with Mono on Mac OS X

A while ago, Luke Hoban implemented a ray-tracing sample application. I have made a Cocoa port of this application by using the Monobjc bridge, and it was over in less than one hour. Here is a screenshot: You can download the source code as part of Monobjc.  […]

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Thursday, February 1 2007

Add Link to a file in Visual Studio 2005

Maybe you have already seen that in some Visual Studio 2005 projects : a item that represents a link to a file (see image below). It is very handy to reference through a link a file : for example, if you have three projects that uses the same file, just put a link. But when I add item to my project,  […]

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Friday, December 8 2006

Dependent Files under Visual Studio 2005

A nice feature of Visual Studio 2005 is the ability to group source files by dependencies. This is what Visual Studio 2005 does when it creates a Form class or a visual control : a dependent file named from the class name is created and linked to the primary source file (as shown in the picture  […]

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Tuesday, November 28 2006

Using Microsoft RTC API under Windows Vista

If you are developping an application base on the Microsoft RTC API, a big surprise is awaiting you with Windows Vista. The installation of the RTC API miserably failed, because of lack of privileges. The result is that the RTC side-by-side assemblies are not available, thus the application does not  […]

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Thursday, October 5 2006

Designing generic controls in Visual Studio 2005

Maybe you have just spotted the following problem with Visual Studio 2005 : you can create an abstract form, which inherits System.Windows.Forms.Form, and modify it in the visual designer. But if you inherit it, you cannot modify it in the visual designer. You think it is kind of strange, but the  […]

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Tuesday, June 20 2006

Easy P/Invoke on .NET

When you need to use a P/Invoke call in Microsoft .NET, it is always hard to find the right DLL signature and the additionnal structures in one shot. I recommend the following site pinvoke.net which lists all the method signatures and the required structures for a lot of system DLLs. And it is open  […]

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Friday, April 14 2006

Microsoft RTC API, SIP proxy and port 5060

Question : How to make Microsoft RTC API send its SIP requests to a proxy that doesn't listen on port 5060 ? Answer : By default, the RTC stack uses the 5060 port to send its requests. That can be changed very easily. When getting the IRTCProfile object, use a server parameter that contains both the  […]

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Tuesday, March 21 2006

Microsoft.mshtml.dll within a .NET application

If you are using the MSHTML package in your .NET application, be aware that Visual Studio .NET 2003 does not copy it into you project. Instead, it references it like any other assemblies of the .NET framework. The problem is that this DLL is not installed by default on a Windows XP SP2 system. So  […]

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Friday, January 27 2006

NotifyIcon with Balloon Tip

While coding Windows Forms application with .NET framework 1.1, I wanted to have an icon in the Windows systray. While it seems easy as there is a NotifyIcon class in the framework, it doesn't support the ballon tips. The support was only introduced in the .NET framework 2.0 but if you are stucked  […]

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