The .NET Framework makes it easy to detect objects dragged and/or dropped into a Windows Forms application using one or more of the drag-and-drop events available. In these events you could check if the object is a file. Read the rest of this entry
Sometimes you need to display an image that is not saved in a file. These could be dynamically generated or loaded from a file but were modified. To display them in an Image control you need to create another page that saves the image in its output stream. Read the rest of this entry
You could make sure the user name entered during the registration process of your website is unique before the submit button is clicked using AJAX and C#.
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Windows Management Instrumentation (WMI) makes querying Windows for system and devices information easy. And this is even easier with System.Management assembly. The code listed loads the names of the network connections in a ListBox, which when clicked displays all the available properties in a ListView. Read the rest of this entry
Developing applications in C# that access resource on the internet is easy. This post shows four useful functions: checking if the PC is connected to a network, domain name to IP address lookup, ping a host and download a file. Read the rest of this entry
The Registry is a database in Windows that is available for application developers to use for storing small amounts of data. It is mostly used to save application setting like the window size and database connection string. In this series of post I will demonstrate how to create a simple registry editor in C#. Read the rest of this entry
XML’s structure is hierarchical and therefore can be displayed in a TreeView control easily. The XMLTree program displays the elements of the XML file in a TreeView control and the attributes of the selected element in a ListView control. Read the rest of this entry
