please follow the link : "
http://msdn.microsoft.com/hi-in/default.aspx" and see in the top right corner, when u move mouse over the "microsoft.com" you can find the dropdown window which grows like some animation part and when you mouse leave the animation shrinks and disappears,
i want to do that in WPF and C# .could any one take this as challenge and help me in doing that please,,,,
thanks to all in advance