Below is a bit of code which sets up drag and drop in a treeview. This is handy for if you have a list of items that can be sorted by the user.

Here is a bit of code to demonstrate how to do this. First create a new Windows executable project. Drop a TreeView component on the form, and let's name it 'myTree' for this demonstration. Go ahead and populate it with some dummy data; enough data to see the dragging and dropping in action. You will need a variable global to the form's scope.

private TreeNode sourceNode;

This is used to track the item we are dragging in our TreeView. Then define the event handlers listed below.

It is a simple converter which converts your number into roman number.
Due to roman numbers it can converts 4 digits.

Command Line Calculato

Code snippet that prints MAC addresses for Ethernet type devices.

Shows a few objects I built to perform some screen scraping...

Gives factorials for a given value.

A basic employee class

Generates an 88 character secure hash string for the passed in strings.

A simple implementation of IServiceProvider for use in plugin style architectures.

Converts a hexadecimal string to an integer.