How to write a Program that controls the mouses positon in vb 2008 express and or c# 2008 express.?

How to write a Program that controls the mouses positon in vb 2008 express and or c# 2008 express. Please explain what coding I would needHow to write a Program that controls the mouses positon in vb 2008 express and or c# 2008 express.?
Cursor.Position = new Point(100, 100);