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Building a C# Chat Client and Server

A step by step tutorial teaching you how to create your own chat client and chat server easily in C#, for local networks or the Internet.

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Getting Hard Drive Information

A C# tutorial showing you how to make use of WMI to extract information on disk drives, such as model, capacity, sectors and serial number.

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UPS Shipping Calculator

This tutorial will teach you how to calculate the shipping cost based on the weight, height, length and depth of the box, the distance and the UPS service type.

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Create Your Own Rich Text Editor

Creating a Rich Text Editor using JavaScript is easier to do than you might think, thanks to the support of modern browsers; this tutorial will walk you through it.

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Geekpedia » Newsgroups » .NET Framework WMI Newsgroup » Win32_DeviceChangeEvent And Prohibit Access USB

Win32_DeviceChangeEvent And Prohibit Access USB	On Friday, August 28th 2009 at 11:58 AM By Tolga Ongunsu
I generated the code below with wmi code creator. It listens the device changings. I want to prohibit the usb access or cdrom access in my computer section. Is there any ideas about it like sddl ...??? Thanks in advance. try { WqlEventQuery query = new WqlEventQuery( "SELECT * FROM Win32_DeviceChangeEvent"); ManagementEventWatcher watcher = new ManagementEventWatcher(query); Console.WriteLine("Waiting for an event..."); ManagementBaseObject eventObj = watcher.WaitForNextEvent(); Console.WriteLine("{0} event occurred.", eventObj["__CLASS"]); // Cancel the event subscription watcher.Stop(); return; } catch(ManagementException err) { MessageBox.Show("An error occurred while trying to receive an event: " + err.Message); }