摘要： 1.变向响应Tab按键privatevoidGrid_KeyUp(objectsender,KeyEventArgse){UIElementelement=Keyboard.FocusedElementasUIElement;if(e.Key==Key.Down||e.Key==Key.Enter){if(element!=null){element.MoveFocus(newTraversalRequest(FocusNavigationDirection.Next));}}if(e.Key==Key.Up){if(element!=null){element.MoveFocus(newTr 阅读全文