In some applications, we need to implement Auto logoff feature for security reason. In auto log off feature, the application redirects the user into login window, if the user remains inactive for a certain amount of time. I have just published how I came up with implementing auto logoff feature based on user inactivity in WPF application.
Here it is:
http://www.codeproject.com/KB/WPF/AutologoffWPF.aspx
Although WPF provides quite a rich collection of UI controls and components for development, a particular control has been missing. That is a color-picker control. I have just published how I came up with making a drop down style custom color picker in WPF.
Here it is:
http://www.codeproject.com/KB/WPF/WPFDropDownColorPicker.aspx