Code Simplified – Viral Sarvaiya

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Archive for June, 2011

Understanding the Dynamic Keyword in C# 4

Posted by Viral Sarvaiya on June 13, 2011

The dynamic keyword and the Dynamic Language Runtime (DLR) are major new features in C# 4 and the Microsoft .NET Framework 4. These features generated a lot of interest when announced—along with a lot of questions. There were a number of answers as well, but they’re now spread throughout documentation and on various technical blogs and articles. So people continue asking the same questions again and again on forums and at conferences.

This article provides a general overview of the new dynamic features in C# 4 and also delves into some more in-depth information about how they work with other language and framework features, such as reflection or implicitly typed variables. Given there’s a lot of information available already, I’ll sometimes reuse classic examples with links to the original sources. I’ll also provide plenty of links for further reading.

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How to recover lost/missing system tray icon?

Posted by Viral Sarvaiya on June 10, 2011

Please follow the steps for recover Lost/missing system tray icon.

1. Back up the Registry by creating a restore point.
2. Go to Start > Run (or Windows-key + R), type in regedit and hit OK.
3. Navigate to the key HKEY_CURRENT_USER\Software\Cla sses\Local Settings\Software\Microsoft\Wi ndows\CurrentVersion \TrayNotify.
4. Delete the values IconStreams and PastIconsStream.
5. Open up the Task Manager (Ctrl + Shift + Esc), go to the Processes tab, select explorer.exe and click End Process.
6. Open the Applications tab and click New Task at the bottom-right of the window.
7. In the message box that pops up type in explorer.exe and hit OK.
8. Explorer.exe will reload, and the missing icons should now be back in the system-tray where they belong.
9. Then if the volume bar isnt there, go to taskbar properties (where the volume was gray) and simply tick the box.

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