如何使用箭头键导航tabcontrol？

I have a tabcontrol with a series of tabs that contain textboxes and other input controls. If I click on the tab headers I can navigate through the tabs using the left and right arrow keys, but if I'm currently in a textbox or other control then I can't, assuming this is as the textbox takes all of the key events. I have tried attaching event handlers to keydown and previewkeydown but they don't get fired. I have a tabcontrol with a series of tabs that